Page 223 - Microchip Technology Products - Memory

AT27C4096-70JI
Microchip Technology

IC OTP 4MBIT 70NS 44PLCC

Package: 44-LCC (J-Lead)

Stock5,232
AT27C4096-55VI
Microchip Technology

IC OTP 4MBIT 55NS 40VSOP

Package: 40-TFSOP (0.488", 12.40mm Width)

Stock7,280
AT27C4096-55VC
Microchip Technology

IC OTP 4MBIT 55NS 40VSOP

Package: 40-TFSOP (0.488", 12.40mm Width)

Stock6,528
AT27C4096-55PI
Microchip Technology

IC OTP 4MBIT 55NS 40DIP

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

Stock7,008
AT27C4096-55PC
Microchip Technology

IC OTP 4MBIT 55NS 40DIP

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

Stock2,100
AT27C4096-55JC
Microchip Technology

IC OTP 4MBIT 55NS 44PLCC

Package: 44-LCC (J-Lead)

Stock6,448
AT27C4096-15VI
Microchip Technology

IC OTP 4MBIT 150NS 40VSOP

Package: 40-TFSOP (0.488", 12.40mm Width)

Stock5,184
AT27C4096-15VC
Microchip Technology

IC OTP 4MBIT 150NS 40VSOP

Package: 40-TFSOP (0.488", 12.40mm Width)

Stock7,504
AT27C4096-15PI
Microchip Technology

IC OTP 4MBIT 150NS 40DIP

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

Stock6,720
AT27C4096-15PC
Microchip Technology

IC OTP 4MBIT 150NS 40DIP

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

Stock5,088
AT27C4096-15JI
Microchip Technology

IC OTP 4MBIT 150NS 44PLCC

Package: 44-LCC (J-Lead)

Stock2,864
AT27C4096-15JC
Microchip Technology

IC OTP 4MBIT 150NS 44PLCC

Package: 44-LCC (J-Lead)

Stock7,440
AT27C4096-12VI
Microchip Technology

IC OTP 4MBIT 120NS 40VSOP

Package: 40-TFSOP (0.488", 12.40mm Width)

Stock6,160
AT27C4096-12VC
Microchip Technology

IC OTP 4MBIT 120NS 40VSOP

Package: 40-TFSOP (0.488", 12.40mm Width)

Stock7,040
AT27C4096-12PI
Microchip Technology

IC OTP 4MBIT 120NS 40DIP

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

Stock3,664
AT27C4096-12PC
Microchip Technology

IC OTP 4MBIT 120NS 40DIP

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

Stock4,976
AT27C4096-12JI
Microchip Technology

IC OTP 4MBIT 120NS 44PLCC

Package: 44-LCC (J-Lead)

Stock5,568
AT27C4096-12JC
Microchip Technology

IC OTP 4MBIT 120NS 44PLCC

Package: 44-LCC (J-Lead)

Stock6,160
AT27C256R-90TI
Microchip Technology

IC OTP 256KBIT 90NS 28TSOP

Package: 28-TSSOP (0.465", 11.80mm Width)

Stock3,056
AT27C256R-90TC
Microchip Technology

IC OTP 256KBIT 90NS 28TSOP

Package: 28-TSSOP (0.465", 11.80mm Width)

Stock3,456

Part Number	Manufacturer	Description	Package	Stock	Memory Format	Technology	Memory Size	Memory Interface	Clock Frequency	Write Cycle Time - Word, Page	Access Time	Voltage - Supply	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package
AT27C4096-70JI	Microchip Technology	IC OTP 4MBIT 70NS 44PLCC Memory Type: Non-Volatile Memory Format: EPROM Technology: EPROM - OTP Memory Size: 4Mb (256K x 16) Memory Interface: Parallel Clock Frequency: - Write Cycle Time - Word, Page: - Access Time: 70ns Voltage - Supply: 4.5 V ~ 5.5 V Operating Temperature: -40°C ~ 85°C (TC) Mounting Type: Surface Mount Package / Case: 44-LCC (J-Lead) Supplier Device Package: 44-PLCC (16.59x16.59)	Package: 44-LCC (J-Lead)	Stock5,232	EPROM	EPROM - OTP	4Mb (256K x 16)	Parallel	-	-	70ns	4.5 V ~ 5.5 V	-40°C ~ 85°C (TC)	Surface Mount	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
AT27C4096-55VI	Microchip Technology	IC OTP 4MBIT 55NS 40VSOP Memory Type: Non-Volatile Memory Format: EPROM Technology: EPROM - OTP Memory Size: 4Mb (256K x 16) Memory Interface: Parallel Clock Frequency: - Write Cycle Time - Word, Page: - Access Time: 55ns Voltage - Supply: 4.5 V ~ 5.5 V Operating Temperature: -40°C ~ 85°C (TC) Mounting Type: Surface Mount Package / Case: 40-TFSOP (0.488", 12.40mm Width) Supplier Device Package: 40-VSOP	Package: 40-TFSOP (0.488", 12.40mm Width)	Stock7,280	EPROM	EPROM - OTP	4Mb (256K x 16)	Parallel	-	-	55ns	4.5 V ~ 5.5 V	-40°C ~ 85°C (TC)	Surface Mount	40-TFSOP (0.488", 12.40mm Width)	40-VSOP
AT27C4096-55VC	Microchip Technology	IC OTP 4MBIT 55NS 40VSOP Memory Type: Non-Volatile Memory Format: EPROM Technology: EPROM - OTP Memory Size: 4Mb (256K x 16) Memory Interface: Parallel Clock Frequency: - Write Cycle Time - Word, Page: - Access Time: 55ns Voltage - Supply: 4.5 V ~ 5.5 V Operating Temperature: 0°C ~ 70°C (TC) Mounting Type: Surface Mount Package / Case: 40-TFSOP (0.488", 12.40mm Width) Supplier Device Package: 40-VSOP	Package: 40-TFSOP (0.488", 12.40mm Width)	Stock6,528	EPROM	EPROM - OTP	4Mb (256K x 16)	Parallel	-	-	55ns	4.5 V ~ 5.5 V	0°C ~ 70°C (TC)	Surface Mount	40-TFSOP (0.488", 12.40mm Width)	40-VSOP
AT27C4096-55PI	Microchip Technology	IC OTP 4MBIT 55NS 40DIP Memory Type: Non-Volatile Memory Format: EPROM Technology: EPROM - OTP Memory Size: 4Mb (256K x 16) Memory Interface: Parallel Clock Frequency: - Write Cycle Time - Word, Page: - Access Time: 55ns Voltage - Supply: 4.5 V ~ 5.5 V Operating Temperature: -40°C ~ 85°C (TC) Mounting Type: Through Hole Package / Case: 40-DIP (0.600", 15.24mm) Supplier Device Package: 40-PDIP	Package: 40-DIP (0.600", 15.24mm)	Stock7,008	EPROM	EPROM - OTP	4Mb (256K x 16)	Parallel	-	-	55ns	4.5 V ~ 5.5 V	-40°C ~ 85°C (TC)	Through Hole	40-DIP (0.600", 15.24mm)	40-PDIP
AT27C4096-55PC	Microchip Technology	IC OTP 4MBIT 55NS 40DIP Memory Type: Non-Volatile Memory Format: EPROM Technology: EPROM - OTP Memory Size: 4Mb (256K x 16) Memory Interface: Parallel Clock Frequency: - Write Cycle Time - Word, Page: - Access Time: 55ns Voltage - Supply: 4.5 V ~ 5.5 V Operating Temperature: 0°C ~ 70°C (TC) Mounting Type: Through Hole Package / Case: 40-DIP (0.600", 15.24mm) Supplier Device Package: 40-PDIP	Package: 40-DIP (0.600", 15.24mm)	Stock2,100	EPROM	EPROM - OTP	4Mb (256K x 16)	Parallel	-	-	55ns	4.5 V ~ 5.5 V	0°C ~ 70°C (TC)	Through Hole	40-DIP (0.600", 15.24mm)	40-PDIP
AT27C4096-55JC	Microchip Technology	IC OTP 4MBIT 55NS 44PLCC Memory Type: Non-Volatile Memory Format: EPROM Technology: EPROM - OTP Memory Size: 4Mb (256K x 16) Memory Interface: Parallel Clock Frequency: - Write Cycle Time - Word, Page: - Access Time: 55ns Voltage - Supply: 4.5 V ~ 5.5 V Operating Temperature: 0°C ~ 70°C (TC) Mounting Type: Surface Mount Package / Case: 44-LCC (J-Lead) Supplier Device Package: 44-PLCC (16.59x16.59)	Package: 44-LCC (J-Lead)	Stock6,448	EPROM	EPROM - OTP	4Mb (256K x 16)	Parallel	-	-	55ns	4.5 V ~ 5.5 V	0°C ~ 70°C (TC)	Surface Mount	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
AT27C4096-15VI	Microchip Technology	IC OTP 4MBIT 150NS 40VSOP Memory Type: Non-Volatile Memory Format: EPROM Technology: EPROM - OTP Memory Size: 4Mb (256K x 16) Memory Interface: Parallel Clock Frequency: - Write Cycle Time - Word, Page: - Access Time: 150ns Voltage - Supply: 4.5 V ~ 5.5 V Operating Temperature: -40°C ~ 85°C (TC) Mounting Type: Surface Mount Package / Case: 40-TFSOP (0.488", 12.40mm Width) Supplier Device Package: 40-VSOP	Package: 40-TFSOP (0.488", 12.40mm Width)	Stock5,184	EPROM	EPROM - OTP	4Mb (256K x 16)	Parallel	-	-	150ns	4.5 V ~ 5.5 V	-40°C ~ 85°C (TC)	Surface Mount	40-TFSOP (0.488", 12.40mm Width)	40-VSOP
AT27C4096-15VC	Microchip Technology	IC OTP 4MBIT 150NS 40VSOP Memory Type: Non-Volatile Memory Format: EPROM Technology: EPROM - OTP Memory Size: 4Mb (256K x 16) Memory Interface: Parallel Clock Frequency: - Write Cycle Time - Word, Page: - Access Time: 150ns Voltage - Supply: 4.5 V ~ 5.5 V Operating Temperature: 0°C ~ 70°C (TC) Mounting Type: Surface Mount Package / Case: 40-TFSOP (0.488", 12.40mm Width) Supplier Device Package: 40-VSOP	Package: 40-TFSOP (0.488", 12.40mm Width)	Stock7,504	EPROM	EPROM - OTP	4Mb (256K x 16)	Parallel	-	-	150ns	4.5 V ~ 5.5 V	0°C ~ 70°C (TC)	Surface Mount	40-TFSOP (0.488", 12.40mm Width)	40-VSOP
AT27C4096-15PI	Microchip Technology	IC OTP 4MBIT 150NS 40DIP Memory Type: Non-Volatile Memory Format: EPROM Technology: EPROM - OTP Memory Size: 4Mb (256K x 16) Memory Interface: Parallel Clock Frequency: - Write Cycle Time - Word, Page: - Access Time: 150ns Voltage - Supply: 4.5 V ~ 5.5 V Operating Temperature: -40°C ~ 85°C (TC) Mounting Type: Through Hole Package / Case: 40-DIP (0.600", 15.24mm) Supplier Device Package: 40-PDIP	Package: 40-DIP (0.600", 15.24mm)	Stock6,720	EPROM	EPROM - OTP	4Mb (256K x 16)	Parallel	-	-	150ns	4.5 V ~ 5.5 V	-40°C ~ 85°C (TC)	Through Hole	40-DIP (0.600", 15.24mm)	40-PDIP
AT27C4096-15PC	Microchip Technology	IC OTP 4MBIT 150NS 40DIP Memory Type: Non-Volatile Memory Format: EPROM Technology: EPROM - OTP Memory Size: 4Mb (256K x 16) Memory Interface: Parallel Clock Frequency: - Write Cycle Time - Word, Page: - Access Time: 150ns Voltage - Supply: 4.5 V ~ 5.5 V Operating Temperature: 0°C ~ 70°C (TC) Mounting Type: Through Hole Package / Case: 40-DIP (0.600", 15.24mm) Supplier Device Package: 40-PDIP	Package: 40-DIP (0.600", 15.24mm)	Stock5,088	EPROM	EPROM - OTP	4Mb (256K x 16)	Parallel	-	-	150ns	4.5 V ~ 5.5 V	0°C ~ 70°C (TC)	Through Hole	40-DIP (0.600", 15.24mm)	40-PDIP
AT27C4096-15JI	Microchip Technology	IC OTP 4MBIT 150NS 44PLCC Memory Type: Non-Volatile Memory Format: EPROM Technology: EPROM - OTP Memory Size: 4Mb (256K x 16) Memory Interface: Parallel Clock Frequency: - Write Cycle Time - Word, Page: - Access Time: 150ns Voltage - Supply: 4.5 V ~ 5.5 V Operating Temperature: -40°C ~ 85°C (TC) Mounting Type: Surface Mount Package / Case: 44-LCC (J-Lead) Supplier Device Package: 44-PLCC (16.59x16.59)	Package: 44-LCC (J-Lead)	Stock2,864	EPROM	EPROM - OTP	4Mb (256K x 16)	Parallel	-	-	150ns	4.5 V ~ 5.5 V	-40°C ~ 85°C (TC)	Surface Mount	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
AT27C4096-15JC	Microchip Technology	IC OTP 4MBIT 150NS 44PLCC Memory Type: Non-Volatile Memory Format: EPROM Technology: EPROM - OTP Memory Size: 4Mb (256K x 16) Memory Interface: Parallel Clock Frequency: - Write Cycle Time - Word, Page: - Access Time: 150ns Voltage - Supply: 4.5 V ~ 5.5 V Operating Temperature: 0°C ~ 70°C (TC) Mounting Type: Surface Mount Package / Case: 44-LCC (J-Lead) Supplier Device Package: 44-PLCC (16.59x16.59)	Package: 44-LCC (J-Lead)	Stock7,440	EPROM	EPROM - OTP	4Mb (256K x 16)	Parallel	-	-	150ns	4.5 V ~ 5.5 V	0°C ~ 70°C (TC)	Surface Mount	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
AT27C4096-12VI	Microchip Technology	IC OTP 4MBIT 120NS 40VSOP Memory Type: Non-Volatile Memory Format: EPROM Technology: EPROM - OTP Memory Size: 4Mb (256K x 16) Memory Interface: Parallel Clock Frequency: - Write Cycle Time - Word, Page: - Access Time: 120ns Voltage - Supply: 4.5 V ~ 5.5 V Operating Temperature: -40°C ~ 85°C (TC) Mounting Type: Surface Mount Package / Case: 40-TFSOP (0.488", 12.40mm Width) Supplier Device Package: 40-VSOP	Package: 40-TFSOP (0.488", 12.40mm Width)	Stock6,160	EPROM	EPROM - OTP	4Mb (256K x 16)	Parallel	-	-	120ns	4.5 V ~ 5.5 V	-40°C ~ 85°C (TC)	Surface Mount	40-TFSOP (0.488", 12.40mm Width)	40-VSOP
AT27C4096-12VC	Microchip Technology	IC OTP 4MBIT 120NS 40VSOP Memory Type: Non-Volatile Memory Format: EPROM Technology: EPROM - OTP Memory Size: 4Mb (256K x 16) Memory Interface: Parallel Clock Frequency: - Write Cycle Time - Word, Page: - Access Time: 120ns Voltage - Supply: 4.5 V ~ 5.5 V Operating Temperature: 0°C ~ 70°C (TC) Mounting Type: Surface Mount Package / Case: 40-TFSOP (0.488", 12.40mm Width) Supplier Device Package: 40-VSOP	Package: 40-TFSOP (0.488", 12.40mm Width)	Stock7,040	EPROM	EPROM - OTP	4Mb (256K x 16)	Parallel	-	-	120ns	4.5 V ~ 5.5 V	0°C ~ 70°C (TC)	Surface Mount	40-TFSOP (0.488", 12.40mm Width)	40-VSOP
AT27C4096-12PI	Microchip Technology	IC OTP 4MBIT 120NS 40DIP Memory Type: Non-Volatile Memory Format: EPROM Technology: EPROM - OTP Memory Size: 4Mb (256K x 16) Memory Interface: Parallel Clock Frequency: - Write Cycle Time - Word, Page: - Access Time: 120ns Voltage - Supply: 4.5 V ~ 5.5 V Operating Temperature: -40°C ~ 85°C (TC) Mounting Type: Through Hole Package / Case: 40-DIP (0.600", 15.24mm) Supplier Device Package: 40-PDIP	Package: 40-DIP (0.600", 15.24mm)	Stock3,664	EPROM	EPROM - OTP	4Mb (256K x 16)	Parallel	-	-	120ns	4.5 V ~ 5.5 V	-40°C ~ 85°C (TC)	Through Hole	40-DIP (0.600", 15.24mm)	40-PDIP
AT27C4096-12PC	Microchip Technology	IC OTP 4MBIT 120NS 40DIP Memory Type: Non-Volatile Memory Format: EPROM Technology: EPROM - OTP Memory Size: 4Mb (256K x 16) Memory Interface: Parallel Clock Frequency: - Write Cycle Time - Word, Page: - Access Time: 120ns Voltage - Supply: 4.5 V ~ 5.5 V Operating Temperature: 0°C ~ 70°C (TC) Mounting Type: Through Hole Package / Case: 40-DIP (0.600", 15.24mm) Supplier Device Package: 40-PDIP	Package: 40-DIP (0.600", 15.24mm)	Stock4,976	EPROM	EPROM - OTP	4Mb (256K x 16)	Parallel	-	-	120ns	4.5 V ~ 5.5 V	0°C ~ 70°C (TC)	Through Hole	40-DIP (0.600", 15.24mm)	40-PDIP
AT27C4096-12JI	Microchip Technology	IC OTP 4MBIT 120NS 44PLCC Memory Type: Non-Volatile Memory Format: EPROM Technology: EPROM - OTP Memory Size: 4Mb (256K x 16) Memory Interface: Parallel Clock Frequency: - Write Cycle Time - Word, Page: - Access Time: 120ns Voltage - Supply: 4.5 V ~ 5.5 V Operating Temperature: -40°C ~ 85°C (TC) Mounting Type: Surface Mount Package / Case: 44-LCC (J-Lead) Supplier Device Package: 44-PLCC (16.59x16.59)	Package: 44-LCC (J-Lead)	Stock5,568	EPROM	EPROM - OTP	4Mb (256K x 16)	Parallel	-	-	120ns	4.5 V ~ 5.5 V	-40°C ~ 85°C (TC)	Surface Mount	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
AT27C4096-12JC	Microchip Technology	IC OTP 4MBIT 120NS 44PLCC Memory Type: Non-Volatile Memory Format: EPROM Technology: EPROM - OTP Memory Size: 4Mb (256K x 16) Memory Interface: Parallel Clock Frequency: - Write Cycle Time - Word, Page: - Access Time: 120ns Voltage - Supply: 4.5 V ~ 5.5 V Operating Temperature: 0°C ~ 70°C (TC) Mounting Type: Surface Mount Package / Case: 44-LCC (J-Lead) Supplier Device Package: 44-PLCC (16.59x16.59)	Package: 44-LCC (J-Lead)	Stock6,160	EPROM	EPROM - OTP	4Mb (256K x 16)	Parallel	-	-	120ns	4.5 V ~ 5.5 V	0°C ~ 70°C (TC)	Surface Mount	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
AT27C256R-90TI	Microchip Technology	IC OTP 256KBIT 90NS 28TSOP Memory Type: Non-Volatile Memory Format: EPROM Technology: EPROM - OTP Memory Size: 256Kb (32K x 8) Memory Interface: Parallel Clock Frequency: - Write Cycle Time - Word, Page: - Access Time: 90ns Voltage - Supply: 4.5 V ~ 5.5 V Operating Temperature: -40°C ~ 85°C (TC) Mounting Type: Surface Mount Package / Case: 28-TSSOP (0.465", 11.80mm Width) Supplier Device Package: 28-TSOP	Package: 28-TSSOP (0.465", 11.80mm Width)	Stock3,056	EPROM	EPROM - OTP	256Kb (32K x 8)	Parallel	-	-	90ns	4.5 V ~ 5.5 V	-40°C ~ 85°C (TC)	Surface Mount	28-TSSOP (0.465", 11.80mm Width)	28-TSOP
AT27C256R-90TC	Microchip Technology	IC OTP 256KBIT 90NS 28TSOP Memory Type: Non-Volatile Memory Format: EPROM Technology: EPROM - OTP Memory Size: 256Kb (32K x 8) Memory Interface: Parallel Clock Frequency: - Write Cycle Time - Word, Page: - Access Time: 90ns Voltage - Supply: 4.5 V ~ 5.5 V Operating Temperature: 0°C ~ 70°C (TC) Mounting Type: Surface Mount Package / Case: 28-TSSOP (0.465", 11.80mm Width) Supplier Device Package: 28-TSOP	Package: 28-TSSOP (0.465", 11.80mm Width)	Stock3,456	EPROM	EPROM - OTP	256Kb (32K x 8)	Parallel	-	-	90ns	4.5 V ~ 5.5 V	0°C ~ 70°C (TC)	Surface Mount	28-TSSOP (0.465", 11.80mm Width)	28-TSOP
AT27C256R-90RI	Microchip Technology	IC OTP 256KBIT 90NS 28SOIC Memory Type: Non-Volatile Memory Format: EPROM Technology: EPROM - OTP Memory Size: 256Kb (32K x 8) Memory Interface: Parallel Clock Frequency: - Write Cycle Time - Word, Page: - Access Time: 90ns Voltage - Supply: 4.5 V ~ 5.5 V Operating Temperature: -40°C ~ 85°C (TC) Mounting Type: Surface Mount Package / Case: 28-SOIC (0.342", 8.69mm Width) Supplier Device Package: 28-SOIC	Package: 28-SOIC (0.342", 8.69mm Width)	Stock5,808	EPROM	EPROM - OTP	256Kb (32K x 8)	Parallel	-	-	90ns	4.5 V ~ 5.5 V	-40°C ~ 85°C (TC)	Surface Mount	28-SOIC (0.342", 8.69mm Width)	28-SOIC
AT27C256R-90RC	Microchip Technology	IC OTP 256KBIT 90NS 28SOIC Memory Type: Non-Volatile Memory Format: EPROM Technology: EPROM - OTP Memory Size: 256Kb (32K x 8) Memory Interface: Parallel Clock Frequency: - Write Cycle Time - Word, Page: - Access Time: 90ns Voltage - Supply: 4.5 V ~ 5.5 V Operating Temperature: 0°C ~ 70°C (TC) Mounting Type: Surface Mount Package / Case: 28-SOIC (0.342", 8.69mm Width) Supplier Device Package: 28-SOIC	Package: 28-SOIC (0.342", 8.69mm Width)	Stock4,976	EPROM	EPROM - OTP	256Kb (32K x 8)	Parallel	-	-	90ns	4.5 V ~ 5.5 V	0°C ~ 70°C (TC)	Surface Mount	28-SOIC (0.342", 8.69mm Width)	28-SOIC
AT27C256R-90PI	Microchip Technology	IC OTP 256KBIT 90NS 28DIP Memory Type: Non-Volatile Memory Format: EPROM Technology: EPROM - OTP Memory Size: 256Kb (32K x 8) Memory Interface: Parallel Clock Frequency: - Write Cycle Time - Word, Page: - Access Time: 90ns Voltage - Supply: 4.5 V ~ 5.5 V Operating Temperature: -40°C ~ 85°C (TC) Mounting Type: Through Hole Package / Case: 28-DIP (0.600", 15.24mm) Supplier Device Package: 28-PDIP	Package: 28-DIP (0.600", 15.24mm)	Stock5,712	EPROM	EPROM - OTP	256Kb (32K x 8)	Parallel	-	-	90ns	4.5 V ~ 5.5 V	-40°C ~ 85°C (TC)	Through Hole	28-DIP (0.600", 15.24mm)	28-PDIP
AT27C256R-90PC	Microchip Technology	IC OTP 256KBIT 90NS 28DIP Memory Type: Non-Volatile Memory Format: EPROM Technology: EPROM - OTP Memory Size: 256Kb (32K x 8) Memory Interface: Parallel Clock Frequency: - Write Cycle Time - Word, Page: - Access Time: 90ns Voltage - Supply: 4.5 V ~ 5.5 V Operating Temperature: 0°C ~ 70°C (TC) Mounting Type: Through Hole Package / Case: 28-DIP (0.600", 15.24mm) Supplier Device Package: 28-PDIP	Package: 28-DIP (0.600", 15.24mm)	Stock20,808	EPROM	EPROM - OTP	256Kb (32K x 8)	Parallel	-	-	90ns	4.5 V ~ 5.5 V	0°C ~ 70°C (TC)	Through Hole	28-DIP (0.600", 15.24mm)	28-PDIP
AT27C256R-90JI	Microchip Technology	IC OTP 256KBIT 90NS 32PLCC Memory Type: Non-Volatile Memory Format: EPROM Technology: EPROM - OTP Memory Size: 256Kb (32K x 8) Memory Interface: Parallel Clock Frequency: - Write Cycle Time - Word, Page: - Access Time: 90ns Voltage - Supply: 4.5 V ~ 5.5 V Operating Temperature: -40°C ~ 85°C (TC) Mounting Type: Surface Mount Package / Case: 32-LCC (J-Lead) Supplier Device Package: 32-PLCC	Package: 32-LCC (J-Lead)	Stock5,856	EPROM	EPROM - OTP	256Kb (32K x 8)	Parallel	-	-	90ns	4.5 V ~ 5.5 V	-40°C ~ 85°C (TC)	Surface Mount	32-LCC (J-Lead)	32-PLCC
AT27C256R-90JC	Microchip Technology	IC OTP 256KBIT 90NS 32PLCC Memory Type: Non-Volatile Memory Format: EPROM Technology: EPROM - OTP Memory Size: 256Kb (32K x 8) Memory Interface: Parallel Clock Frequency: - Write Cycle Time - Word, Page: - Access Time: 90ns Voltage - Supply: 4.5 V ~ 5.5 V Operating Temperature: 0°C ~ 70°C (TC) Mounting Type: Surface Mount Package / Case: 32-LCC (J-Lead) Supplier Device Package: 32-PLCC	Package: 32-LCC (J-Lead)	Stock20,004	EPROM	EPROM - OTP	256Kb (32K x 8)	Parallel	-	-	90ns	4.5 V ~ 5.5 V	0°C ~ 70°C (TC)	Surface Mount	32-LCC (J-Lead)	32-PLCC
AT27C256R-70TI	Microchip Technology	IC OTP 256KBIT 70NS 28TSOP Memory Type: Non-Volatile Memory Format: EPROM Technology: EPROM - OTP Memory Size: 256Kb (32K x 8) Memory Interface: Parallel Clock Frequency: - Write Cycle Time - Word, Page: - Access Time: 70ns Voltage - Supply: 4.5 V ~ 5.5 V Operating Temperature: -40°C ~ 85°C (TC) Mounting Type: Surface Mount Package / Case: 28-TSSOP (0.465", 11.80mm Width) Supplier Device Package: 28-TSOP	Package: 28-TSSOP (0.465", 11.80mm Width)	Stock7,488	EPROM	EPROM - OTP	256Kb (32K x 8)	Parallel	-	-	70ns	4.5 V ~ 5.5 V	-40°C ~ 85°C (TC)	Surface Mount	28-TSSOP (0.465", 11.80mm Width)	28-TSOP
AT27C256R-70TC	Microchip Technology	IC OTP 256KBIT 70NS 28TSOP Memory Type: Non-Volatile Memory Format: EPROM Technology: EPROM - OTP Memory Size: 256Kb (32K x 8) Memory Interface: Parallel Clock Frequency: - Write Cycle Time - Word, Page: - Access Time: 70ns Voltage - Supply: 4.5 V ~ 5.5 V Operating Temperature: 0°C ~ 70°C (TC) Mounting Type: Surface Mount Package / Case: 28-TSSOP (0.465", 11.80mm Width) Supplier Device Package: 28-TSOP	Package: 28-TSSOP (0.465", 11.80mm Width)	Stock4,976	EPROM	EPROM - OTP	256Kb (32K x 8)	Parallel	-	-	70ns	4.5 V ~ 5.5 V	0°C ~ 70°C (TC)	Surface Mount	28-TSSOP (0.465", 11.80mm Width)	28-TSOP