Page 835 - Microchip Technology Products - Embedded - Microcontrollers

TS87C52X2-VIA
Microchip Technology

IC MCU 8BIT 8KB OTP 40PDIL

Package: 40-DIP (0.600", 15.24mm)

Stock5,184
TS80C51RA2-VIA
Microchip Technology

IC MCU 8BIT ROMLESS 40PDIL

Package: 40-DIP (0.600", 15.24mm)

Stock5,504
TS87C52X2-MCA
Microchip Technology

IC MCU 8BIT 8KB OTP 40PDIL

Package: 40-DIP (0.600", 15.24mm)

Stock18,540
TS87C54X2-MIA
Microchip Technology

IC MCU 8BIT 16KB OTP 40PDIL

Package: 40-DIP (0.600", 15.24mm)

Stock7,952
TS87C54X2-VCA
Microchip Technology

IC MCU 8BIT 16KB OTP 40PDIL

Package: 40-DIP (0.600", 15.24mm)

Stock5,328
TS87C51RB2-VCA
Microchip Technology

IC MCU 8BIT 16KB OTP 40PDIL

Package: 40-DIP (0.600", 15.24mm)

Stock3,920
TS80C31X2-LIA
Microchip Technology

IC MCU 8BIT ROMLESS 40PDIL

Package: 40-DIP (0.600", 15.24mm)

Stock3,632
TS80C31X2-LCA
Microchip Technology

IC MCU 8BIT ROMLESS 40PDIL

Package: 40-DIP (0.600", 15.24mm)

Stock5,392
TS80C32X2-VIA
Microchip Technology

IC MCU 8BIT ROMLESS 40PDIL

Package: 40-DIP (0.600", 15.24mm)

Stock6,736
TS87C51RB2-VIA
Microchip Technology

IC MCU 8BIT 16KB OTP 40PDIL

Package: 40-DIP (0.600", 15.24mm)

Stock6,928
TS87C52X2-VCA
Microchip Technology

IC MCU 8BIT 8KB OTP 40PDIL

Package: 40-DIP (0.600", 15.24mm)

Stock2,224
AT80C51RD2-RLTIM
Microchip Technology

IC MCU 8BIT ROMLESS 44VQFP

Package: 44-LQFP

Stock5,280
TSC87251G2D-L16CE
Microchip Technology

IC MCU 8BIT 32KB OTP 44VQFP

Package: 44-LQFP

Stock4,960
AT80C51ID2-RLTIL
Microchip Technology

IC MCU 8BIT ROMLESS 44VQFP

Package: 44-LQFP

Stock5,616
TSC80251G2D-L16CE
Microchip Technology

IC MCU 8BIT ROMLESS 44VQFP

Package: 44-LQFP

Stock2,768
AT80C51ID2-RLTIM
Microchip Technology

IC MCU 8BIT ROMLESS 44VQFP

Package: 44-LQFP

Stock5,088
T89C51CC02UA-TDSIM
Microchip Technology

IC MCU 8BIT 16KB FLASH 24SO

Package: 24-SOIC (0.295", 7.50mm Width)

Stock7,904
TSC87251G2D-24IB
Microchip Technology

IC MCU 8BIT 32KB OTP 44PLCC

Package: 44-LCC (J-Lead)

Stock25,644
AT80C51ID2-SLSIL
Microchip Technology

IC MCU 8BIT ROMLESS 44PLCC

Package: 44-LCC (J-Lead)

Stock3,584
AT80C51ID2-SLSIM
Microchip Technology

IC MCU 8BIT ROMLESS 44PLCC

Package: 44-LCC (J-Lead)

Stock5,600

Part Number	Manufacturer	Description	Package	Stock	Core Size	Speed	Connectivity	Peripherals	Number of I/O	Program Memory Size	Program Memory Type	EEPROM Size	RAM Size	Voltage - Supply (Vcc/Vdd)	Data Converters	Oscillator Type	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package
TS87C52X2-VIA	Microchip Technology	IC MCU 8BIT 8KB OTP 40PDIL Core Processor: 80C51 Core Size: 8-Bit Speed: 60/30MHz Connectivity: UART/USART Peripherals: POR Number of I/O: 32 Program Memory Size: 8KB (8K x 8) Program Memory Type: OTP EEPROM Size: - RAM Size: 256 x 8 Voltage - Supply (Vcc/Vdd): 4.5 V ~ 5.5 V Data Converters: - Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 40-DIP (0.600", 15.24mm) Supplier Device Package: 40-PDIL	Package: 40-DIP (0.600", 15.24mm)	Stock5,184	8-Bit	60/30MHz	UART/USART	POR	32	8KB (8K x 8)	OTP	-	256 x 8	4.5 V ~ 5.5 V	-	Internal	-40°C ~ 85°C (TA)	-	40-DIP (0.600", 15.24mm)	40-PDIL
TS80C51RA2-VIA	Microchip Technology	IC MCU 8BIT ROMLESS 40PDIL Core Processor: 80C51 Core Size: 8-Bit Speed: 40/30MHz Connectivity: UART/USART Peripherals: POR, PWM, WDT Number of I/O: 32 Program Memory Size: - Program Memory Type: ROMless EEPROM Size: - RAM Size: 256 x 8 Voltage - Supply (Vcc/Vdd): 4.5 V ~ 5.5 V Data Converters: - Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 40-DIP (0.600", 15.24mm) Supplier Device Package: 40-PDIL	Package: 40-DIP (0.600", 15.24mm)	Stock5,504	8-Bit	40/30MHz	UART/USART	POR, PWM, WDT	32	-	ROMless	-	256 x 8	4.5 V ~ 5.5 V	-	Internal	-40°C ~ 85°C (TA)	-	40-DIP (0.600", 15.24mm)	40-PDIL
TS87C52X2-MCA	Microchip Technology	IC MCU 8BIT 8KB OTP 40PDIL Core Processor: 80C51 Core Size: 8-Bit Speed: 40/20MHz Connectivity: UART/USART Peripherals: POR Number of I/O: 32 Program Memory Size: 8KB (8K x 8) Program Memory Type: OTP EEPROM Size: - RAM Size: 256 x 8 Voltage - Supply (Vcc/Vdd): 4.5 V ~ 5.5 V Data Converters: - Oscillator Type: Internal Operating Temperature: 0°C ~ 70°C (TA) Mounting Type: - Package / Case: 40-DIP (0.600", 15.24mm) Supplier Device Package: 40-PDIL	Package: 40-DIP (0.600", 15.24mm)	Stock18,540	8-Bit	40/20MHz	UART/USART	POR	32	8KB (8K x 8)	OTP	-	256 x 8	4.5 V ~ 5.5 V	-	Internal	0°C ~ 70°C (TA)	-	40-DIP (0.600", 15.24mm)	40-PDIL
TS87C54X2-MIA	Microchip Technology	IC MCU 8BIT 16KB OTP 40PDIL Core Processor: 80C51 Core Size: 8-Bit Speed: 40/20MHz Connectivity: UART/USART Peripherals: POR, WDT Number of I/O: 32 Program Memory Size: 16KB (16K x 8) Program Memory Type: OTP EEPROM Size: - RAM Size: 256 x 8 Voltage - Supply (Vcc/Vdd): 4.5 V ~ 5.5 V Data Converters: - Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 40-DIP (0.600", 15.24mm) Supplier Device Package: 40-PDIL	Package: 40-DIP (0.600", 15.24mm)	Stock7,952	8-Bit	40/20MHz	UART/USART	POR, WDT	32	16KB (16K x 8)	OTP	-	256 x 8	4.5 V ~ 5.5 V	-	Internal	-40°C ~ 85°C (TA)	-	40-DIP (0.600", 15.24mm)	40-PDIL
TS87C54X2-VCA	Microchip Technology	IC MCU 8BIT 16KB OTP 40PDIL Core Processor: 80C51 Core Size: 8-Bit Speed: 40/30MHz Connectivity: UART/USART Peripherals: POR, WDT Number of I/O: 32 Program Memory Size: 16KB (16K x 8) Program Memory Type: OTP EEPROM Size: - RAM Size: 256 x 8 Voltage - Supply (Vcc/Vdd): 4.5 V ~ 5.5 V Data Converters: - Oscillator Type: Internal Operating Temperature: 0°C ~ 70°C (TA) Mounting Type: - Package / Case: 40-DIP (0.600", 15.24mm) Supplier Device Package: 40-PDIL	Package: 40-DIP (0.600", 15.24mm)	Stock5,328	8-Bit	40/30MHz	UART/USART	POR, WDT	32	16KB (16K x 8)	OTP	-	256 x 8	4.5 V ~ 5.5 V	-	Internal	0°C ~ 70°C (TA)	-	40-DIP (0.600", 15.24mm)	40-PDIL
TS87C51RB2-VCA	Microchip Technology	IC MCU 8BIT 16KB OTP 40PDIL Core Processor: 80C51 Core Size: 8-Bit Speed: 40/30MHz Connectivity: UART/USART Peripherals: POR, PWM, WDT Number of I/O: 32 Program Memory Size: 16KB (16K x 8) Program Memory Type: OTP EEPROM Size: - RAM Size: 512 x 8 Voltage - Supply (Vcc/Vdd): 4.5 V ~ 5.5 V Data Converters: - Oscillator Type: Internal Operating Temperature: 0°C ~ 70°C (TA) Mounting Type: - Package / Case: 40-DIP (0.600", 15.24mm) Supplier Device Package: 40-PDIL	Package: 40-DIP (0.600", 15.24mm)	Stock3,920	8-Bit	40/30MHz	UART/USART	POR, PWM, WDT	32	16KB (16K x 8)	OTP	-	512 x 8	4.5 V ~ 5.5 V	-	Internal	0°C ~ 70°C (TA)	-	40-DIP (0.600", 15.24mm)	40-PDIL
TS80C31X2-LIA	Microchip Technology	IC MCU 8BIT ROMLESS 40PDIL Core Processor: 80C51 Core Size: 8-Bit Speed: 30/20MHz Connectivity: UART/USART Peripherals: POR Number of I/O: 32 Program Memory Size: - Program Memory Type: ROMless EEPROM Size: - RAM Size: 128 x 8 Voltage - Supply (Vcc/Vdd): 2.7 V ~ 5.5 V Data Converters: - Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 40-DIP (0.600", 15.24mm) Supplier Device Package: 40-PDIL	Package: 40-DIP (0.600", 15.24mm)	Stock3,632	8-Bit	30/20MHz	UART/USART	POR	32	-	ROMless	-	128 x 8	2.7 V ~ 5.5 V	-	Internal	-40°C ~ 85°C (TA)	-	40-DIP (0.600", 15.24mm)	40-PDIL
TS80C31X2-LCA	Microchip Technology	IC MCU 8BIT ROMLESS 40PDIL Core Processor: 80C51 Core Size: 8-Bit Speed: 30/20MHz Connectivity: UART/USART Peripherals: POR Number of I/O: 32 Program Memory Size: - Program Memory Type: ROMless EEPROM Size: - RAM Size: 128 x 8 Voltage - Supply (Vcc/Vdd): 2.7 V ~ 5.5 V Data Converters: - Oscillator Type: Internal Operating Temperature: 0°C ~ 70°C (TA) Mounting Type: - Package / Case: 40-DIP (0.600", 15.24mm) Supplier Device Package: 40-PDIL	Package: 40-DIP (0.600", 15.24mm)	Stock5,392	8-Bit	30/20MHz	UART/USART	POR	32	-	ROMless	-	128 x 8	2.7 V ~ 5.5 V	-	Internal	0°C ~ 70°C (TA)	-	40-DIP (0.600", 15.24mm)	40-PDIL
TS80C32X2-VIA	Microchip Technology	IC MCU 8BIT ROMLESS 40PDIL Core Processor: 80C51 Core Size: 8-Bit Speed: 60/30MHz Connectivity: UART/USART Peripherals: POR Number of I/O: 32 Program Memory Size: - Program Memory Type: ROMless EEPROM Size: - RAM Size: 256 x 8 Voltage - Supply (Vcc/Vdd): 4.5 V ~ 5.5 V Data Converters: - Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 40-DIP (0.600", 15.24mm) Supplier Device Package: 40-PDIL	Package: 40-DIP (0.600", 15.24mm)	Stock6,736	8-Bit	60/30MHz	UART/USART	POR	32	-	ROMless	-	256 x 8	4.5 V ~ 5.5 V	-	Internal	-40°C ~ 85°C (TA)	-	40-DIP (0.600", 15.24mm)	40-PDIL
TS87C51RB2-VIA	Microchip Technology	IC MCU 8BIT 16KB OTP 40PDIL Core Processor: 80C51 Core Size: 8-Bit Speed: 40/30MHz Connectivity: UART/USART Peripherals: POR, PWM, WDT Number of I/O: 32 Program Memory Size: 16KB (16K x 8) Program Memory Type: OTP EEPROM Size: - RAM Size: 512 x 8 Voltage - Supply (Vcc/Vdd): 4.5 V ~ 5.5 V Data Converters: - Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 40-DIP (0.600", 15.24mm) Supplier Device Package: 40-PDIL	Package: 40-DIP (0.600", 15.24mm)	Stock6,928	8-Bit	40/30MHz	UART/USART	POR, PWM, WDT	32	16KB (16K x 8)	OTP	-	512 x 8	4.5 V ~ 5.5 V	-	Internal	-40°C ~ 85°C (TA)	-	40-DIP (0.600", 15.24mm)	40-PDIL
TS87C52X2-VCA	Microchip Technology	IC MCU 8BIT 8KB OTP 40PDIL Core Processor: 80C51 Core Size: 8-Bit Speed: 60/30MHz Connectivity: UART/USART Peripherals: POR Number of I/O: 32 Program Memory Size: 8KB (8K x 8) Program Memory Type: OTP EEPROM Size: - RAM Size: 256 x 8 Voltage - Supply (Vcc/Vdd): 4.5 V ~ 5.5 V Data Converters: - Oscillator Type: Internal Operating Temperature: 0°C ~ 70°C (TA) Mounting Type: - Package / Case: 40-DIP (0.600", 15.24mm) Supplier Device Package: 40-PDIL	Package: 40-DIP (0.600", 15.24mm)	Stock2,224	8-Bit	60/30MHz	UART/USART	POR	32	8KB (8K x 8)	OTP	-	256 x 8	4.5 V ~ 5.5 V	-	Internal	0°C ~ 70°C (TA)	-	40-DIP (0.600", 15.24mm)	40-PDIL
AT80C51RD2-RLTIM	Microchip Technology	IC MCU 8BIT ROMLESS 44VQFP Core Processor: 80C51 Core Size: 8-Bit Speed: 40MHz Connectivity: UART/USART Peripherals: POR, PWM, WDT Number of I/O: 32 Program Memory Size: - Program Memory Type: ROMless EEPROM Size: - RAM Size: 1K x 8 Voltage - Supply (Vcc/Vdd): 4.5 V ~ 5.5 V Data Converters: - Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 44-LQFP Supplier Device Package: 44-VQFP (10x10)	Package: 44-LQFP	Stock5,280	8-Bit	40MHz	UART/USART	POR, PWM, WDT	32	-	ROMless	-	1K x 8	4.5 V ~ 5.5 V	-	Internal	-40°C ~ 85°C (TA)	-	44-LQFP	44-VQFP (10x10)
TSC87251G2D-L16CE	Microchip Technology	IC MCU 8BIT 32KB OTP 44VQFP Core Processor: C251 Core Size: 8/16-Bit Speed: 16MHz Connectivity: EBI/EMI, I2C, Microwire, SPI, UART/USART Peripherals: POR, PWM, WDT Number of I/O: 32 Program Memory Size: 32KB (32K x 8) Program Memory Type: OTP EEPROM Size: - RAM Size: 1K x 8 Voltage - Supply (Vcc/Vdd): 2.7 V ~ 5.5 V Data Converters: - Oscillator Type: Internal Operating Temperature: 0°C ~ 70°C (TA) Mounting Type: - Package / Case: 44-LQFP Supplier Device Package: 44-VQFP (10x10)	Package: 44-LQFP	Stock4,960	8/16-Bit	16MHz	EBI/EMI, I2C, Microwire, SPI, UART/USART	POR, PWM, WDT	32	32KB (32K x 8)	OTP	-	1K x 8	2.7 V ~ 5.5 V	-	Internal	0°C ~ 70°C (TA)	-	44-LQFP	44-VQFP (10x10)
AT80C51ID2-RLTIL	Microchip Technology	IC MCU 8BIT ROMLESS 44VQFP Core Processor: 80C51 Core Size: 8-Bit Speed: 20MHz Connectivity: - Peripherals: - Number of I/O: 32 Program Memory Size: - Program Memory Type: ROMless EEPROM Size: - RAM Size: 2K x 8 Voltage - Supply (Vcc/Vdd): - Data Converters: - Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 44-LQFP Supplier Device Package: 44-VQFP (10x10)	Package: 44-LQFP	Stock5,616	8-Bit	20MHz	-	-	32	-	ROMless	-	2K x 8	-	-	Internal	-40°C ~ 85°C (TA)	-	44-LQFP	44-VQFP (10x10)
TSC80251G2D-L16CE	Microchip Technology	IC MCU 8BIT ROMLESS 44VQFP Core Processor: C251 Core Size: 8/16-Bit Speed: 16MHz Connectivity: EBI/EMI, I2C, Microwire, SPI, UART/USART Peripherals: POR, PWM, WDT Number of I/O: 32 Program Memory Size: - Program Memory Type: ROMless EEPROM Size: - RAM Size: 1K x 8 Voltage - Supply (Vcc/Vdd): 2.7 V ~ 5.5 V Data Converters: - Oscillator Type: Internal Operating Temperature: 0°C ~ 70°C (TA) Mounting Type: - Package / Case: 44-LQFP Supplier Device Package: 44-VQFP (10x10)	Package: 44-LQFP	Stock2,768	8/16-Bit	16MHz	EBI/EMI, I2C, Microwire, SPI, UART/USART	POR, PWM, WDT	32	-	ROMless	-	1K x 8	2.7 V ~ 5.5 V	-	Internal	0°C ~ 70°C (TA)	-	44-LQFP	44-VQFP (10x10)
AT80C51ID2-RLTIM	Microchip Technology	IC MCU 8BIT ROMLESS 44VQFP Core Processor: 80C51 Core Size: 8-Bit Speed: 20MHz Connectivity: - Peripherals: - Number of I/O: 32 Program Memory Size: - Program Memory Type: ROMless EEPROM Size: - RAM Size: 2K x 8 Voltage - Supply (Vcc/Vdd): - Data Converters: - Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 44-LQFP Supplier Device Package: 44-VQFP (10x10)	Package: 44-LQFP	Stock5,088	8-Bit	20MHz	-	-	32	-	ROMless	-	2K x 8	-	-	Internal	-40°C ~ 85°C (TA)	-	44-LQFP	44-VQFP (10x10)
T89C51CC02UA-TDSIM	Microchip Technology	IC MCU 8BIT 16KB FLASH 24SO Core Processor: 80C51 Core Size: 8-Bit Speed: 40MHz Connectivity: CAN, UART/USART Peripherals: POR, PWM, WDT Number of I/O: 20 Program Memory Size: 16KB (16K x 8) Program Memory Type: FLASH EEPROM Size: 2K x 8 RAM Size: 512 x 8 Voltage - Supply (Vcc/Vdd): 3 V ~ 5.5 V Data Converters: A/D 8x10b Oscillator Type: External Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 24-SOIC (0.295", 7.50mm Width) Supplier Device Package: 24-SO	Package: 24-SOIC (0.295", 7.50mm Width)	Stock7,904	8-Bit	40MHz	CAN, UART/USART	POR, PWM, WDT	20	16KB (16K x 8)	FLASH	2K x 8	512 x 8	3 V ~ 5.5 V	A/D 8x10b	External	-40°C ~ 85°C (TA)	-	24-SOIC (0.295", 7.50mm Width)	24-SO
TSC87251G2D-24IB	Microchip Technology	IC MCU 8BIT 32KB OTP 44PLCC Core Processor: C251 Core Size: 8/16-Bit Speed: 24MHz Connectivity: EBI/EMI, I2C, Microwire, SPI, UART/USART Peripherals: POR, PWM, WDT Number of I/O: 32 Program Memory Size: 32KB (32K x 8) Program Memory Type: OTP EEPROM Size: - RAM Size: 1K x 8 Voltage - Supply (Vcc/Vdd): 4.5 V ~ 5.5 V Data Converters: - Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 44-LCC (J-Lead) Supplier Device Package: 44-PLCC (16.59x16.59)	Package: 44-LCC (J-Lead)	Stock25,644	8/16-Bit	24MHz	EBI/EMI, I2C, Microwire, SPI, UART/USART	POR, PWM, WDT	32	32KB (32K x 8)	OTP	-	1K x 8	4.5 V ~ 5.5 V	-	Internal	-40°C ~ 85°C (TA)	-	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
AT80C51ID2-SLSIL	Microchip Technology	IC MCU 8BIT ROMLESS 44PLCC Core Processor: 80C51 Core Size: 8-Bit Speed: 20MHz Connectivity: - Peripherals: - Number of I/O: 32 Program Memory Size: - Program Memory Type: ROMless EEPROM Size: - RAM Size: 2K x 8 Voltage - Supply (Vcc/Vdd): - Data Converters: - Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 44-LCC (J-Lead) Supplier Device Package: 44-PLCC (16.59x16.59)	Package: 44-LCC (J-Lead)	Stock3,584	8-Bit	20MHz	-	-	32	-	ROMless	-	2K x 8	-	-	Internal	-40°C ~ 85°C (TA)	-	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
AT80C51ID2-SLSIM	Microchip Technology	IC MCU 8BIT ROMLESS 44PLCC Core Processor: 80C51 Core Size: 8-Bit Speed: 20MHz Connectivity: - Peripherals: - Number of I/O: 32 Program Memory Size: - Program Memory Type: ROMless EEPROM Size: - RAM Size: 2K x 8 Voltage - Supply (Vcc/Vdd): - Data Converters: - Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 44-LCC (J-Lead) Supplier Device Package: 44-PLCC (16.59x16.59)	Package: 44-LCC (J-Lead)	Stock5,600	8-Bit	20MHz	-	-	32	-	ROMless	-	2K x 8	-	-	Internal	-40°C ~ 85°C (TA)	-	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
TSC87251G2D-L16CB	Microchip Technology	IC MCU 8BIT 32KB OTP 44PLCC Core Processor: C251 Core Size: 8/16-Bit Speed: 16MHz Connectivity: EBI/EMI, I2C, Microwire, SPI, UART/USART Peripherals: POR, PWM, WDT Number of I/O: 32 Program Memory Size: 32KB (32K x 8) Program Memory Type: OTP EEPROM Size: - RAM Size: 1K x 8 Voltage - Supply (Vcc/Vdd): 2.7 V ~ 5.5 V Data Converters: - Oscillator Type: Internal Operating Temperature: 0°C ~ 70°C (TA) Mounting Type: - Package / Case: 44-LCC (J-Lead) Supplier Device Package: 44-PLCC (16.59x16.59)	Package: 44-LCC (J-Lead)	Stock4,656	8/16-Bit	16MHz	EBI/EMI, I2C, Microwire, SPI, UART/USART	POR, PWM, WDT	32	32KB (32K x 8)	OTP	-	1K x 8	2.7 V ~ 5.5 V	-	Internal	0°C ~ 70°C (TA)	-	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
TSC80251G2D-16CB	Microchip Technology	IC MCU 8BIT ROMLESS 44PLCC Core Processor: C251 Core Size: 8/16-Bit Speed: 16MHz Connectivity: EBI/EMI, I2C, Microwire, SPI, UART/USART Peripherals: POR, PWM, WDT Number of I/O: 32 Program Memory Size: - Program Memory Type: ROMless EEPROM Size: - RAM Size: 1K x 8 Voltage - Supply (Vcc/Vdd): 4.5 V ~ 5.5 V Data Converters: - Oscillator Type: Internal Operating Temperature: 0°C ~ 70°C (TA) Mounting Type: - Package / Case: 44-LCC (J-Lead) Supplier Device Package: 44-PLCC (16.59x16.59)	Package: 44-LCC (J-Lead)	Stock65,388	8/16-Bit	16MHz	EBI/EMI, I2C, Microwire, SPI, UART/USART	POR, PWM, WDT	32	-	ROMless	-	1K x 8	4.5 V ~ 5.5 V	-	Internal	0°C ~ 70°C (TA)	-	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
TSC80251G2D-24IB	Microchip Technology	IC MCU 8BIT ROMLESS 44PLCC Core Processor: C251 Core Size: 8/16-Bit Speed: 24MHz Connectivity: EBI/EMI, I2C, Microwire, SPI, UART/USART Peripherals: POR, PWM, WDT Number of I/O: 32 Program Memory Size: - Program Memory Type: ROMless EEPROM Size: - RAM Size: 1K x 8 Voltage - Supply (Vcc/Vdd): 4.5 V ~ 5.5 V Data Converters: - Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 44-LCC (J-Lead) Supplier Device Package: 44-PLCC (16.59x16.59)	Package: 44-LCC (J-Lead)	Stock4,976	8/16-Bit	24MHz	EBI/EMI, I2C, Microwire, SPI, UART/USART	POR, PWM, WDT	32	-	ROMless	-	1K x 8	4.5 V ~ 5.5 V	-	Internal	-40°C ~ 85°C (TA)	-	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
TSC80251G2D-L16CB	Microchip Technology	IC MCU 8BIT ROMLESS 44PLCC Core Processor: C251 Core Size: 8/16-Bit Speed: 16MHz Connectivity: EBI/EMI, I2C, Microwire, SPI, UART/USART Peripherals: POR, PWM, WDT Number of I/O: 32 Program Memory Size: - Program Memory Type: ROMless EEPROM Size: - RAM Size: 1K x 8 Voltage - Supply (Vcc/Vdd): 2.7 V ~ 5.5 V Data Converters: - Oscillator Type: Internal Operating Temperature: 0°C ~ 70°C (TA) Mounting Type: - Package / Case: 44-LCC (J-Lead) Supplier Device Package: 44-PLCC (16.59x16.59)	Package: 44-LCC (J-Lead)	Stock29,448	8/16-Bit	16MHz	EBI/EMI, I2C, Microwire, SPI, UART/USART	POR, PWM, WDT	32	-	ROMless	-	1K x 8	2.7 V ~ 5.5 V	-	Internal	0°C ~ 70°C (TA)	-	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
TSC87251G2D-16CB	Microchip Technology	IC MCU 8BIT 32KB OTP 44PLCC Core Processor: C251 Core Size: 8/16-Bit Speed: 16MHz Connectivity: EBI/EMI, I2C, Microwire, SPI, UART/USART Peripherals: POR, PWM, WDT Number of I/O: 32 Program Memory Size: 32KB (32K x 8) Program Memory Type: OTP EEPROM Size: - RAM Size: 1K x 8 Voltage - Supply (Vcc/Vdd): 4.5 V ~ 5.5 V Data Converters: - Oscillator Type: Internal Operating Temperature: 0°C ~ 70°C (TA) Mounting Type: - Package / Case: 44-LCC (J-Lead) Supplier Device Package: 44-PLCC (16.59x16.59)	Package: 44-LCC (J-Lead)	Stock6,080	8/16-Bit	16MHz	EBI/EMI, I2C, Microwire, SPI, UART/USART	POR, PWM, WDT	32	32KB (32K x 8)	OTP	-	1K x 8	4.5 V ~ 5.5 V	-	Internal	0°C ~ 70°C (TA)	-	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
AT80C51RD2-SLSIM	Microchip Technology	IC MCU 8BIT ROMLESS 44PLCC Core Processor: 80C51 Core Size: 8-Bit Speed: 40MHz Connectivity: UART/USART Peripherals: POR, PWM, WDT Number of I/O: 32 Program Memory Size: - Program Memory Type: ROMless EEPROM Size: - RAM Size: 1K x 8 Voltage - Supply (Vcc/Vdd): 4.5 V ~ 5.5 V Data Converters: - Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 44-LCC (J-Lead) Supplier Device Package: 44-PLCC (16.59x16.59)	Package: 44-LCC (J-Lead)	Stock2,256	8-Bit	40MHz	UART/USART	POR, PWM, WDT	32	-	ROMless	-	1K x 8	4.5 V ~ 5.5 V	-	Internal	-40°C ~ 85°C (TA)	-	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
TSC87251G2D-24IA	Microchip Technology	IC MCU 8BIT 32KB OTP 40PDIL Core Processor: C251 Core Size: 8/16-Bit Speed: 24MHz Connectivity: EBI/EMI, I2C, Microwire, SPI, UART/USART Peripherals: POR, PWM, WDT Number of I/O: 32 Program Memory Size: 32KB (32K x 8) Program Memory Type: OTP EEPROM Size: - RAM Size: 1K x 8 Voltage - Supply (Vcc/Vdd): 4.5 V ~ 5.5 V Data Converters: - Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 40-DIP (0.600", 15.24mm) Supplier Device Package: 40-PDIL	Package: 40-DIP (0.600", 15.24mm)	Stock3,104	8/16-Bit	24MHz	EBI/EMI, I2C, Microwire, SPI, UART/USART	POR, PWM, WDT	32	32KB (32K x 8)	OTP	-	1K x 8	4.5 V ~ 5.5 V	-	Internal	-40°C ~ 85°C (TA)	-	40-DIP (0.600", 15.24mm)	40-PDIL
AT80C51RD2-3CSIM	Microchip Technology	IC MCU 8BIT ROMLESS 40PDIL Core Processor: 80C51 Core Size: 8-Bit Speed: 40MHz Connectivity: UART/USART Peripherals: POR, PWM, WDT Number of I/O: 32 Program Memory Size: - Program Memory Type: ROMless EEPROM Size: - RAM Size: 1K x 8 Voltage - Supply (Vcc/Vdd): 4.5 V ~ 5.5 V Data Converters: - Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 40-DIP (0.600", 15.24mm) Supplier Device Package: 40-PDIL	Package: 40-DIP (0.600", 15.24mm)	Stock5,600	8-Bit	40MHz	UART/USART	POR, PWM, WDT	32	-	ROMless	-	1K x 8	4.5 V ~ 5.5 V	-	Internal	-40°C ~ 85°C (TA)	-	40-DIP (0.600", 15.24mm)	40-PDIL