Integrated Circuits (ICs)

AT28HC64B-90PC

Obsolete

Microchip Technology

IC EEPROM 64KBIT PARALLEL 28DIP

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Integrated Circuits (ICs)

AT28HC64B-90PC

Obsolete

Microchip Technology

IC EEPROM 64KBIT PARALLEL 28DIP

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Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	AT28HC64B-90PC

Access Time	90 ns
Memory Format	EEPROM
Memory Interface	Parallel
Memory Organization	8 K
Memory Size	64 Kbit
Memory Type	Non-Volatile
Mounting Type	Through Hole
Package / Case	28-DIP
Package / Case	0.6 in
Package / Case	15.24 mm
Supplier Device Package	28-PDIP
Technology	EEPROM
Voltage - Supply [Max]	5.5 V
Voltage - Supply [Min]	4.5 V
Write Cycle Time - Word, Page	10 ms

AT28HC64BF Series

5V High-Speed 64Kbit (8Kbit x 8) Parallel EEPROM with Software Data Protection

Part	Voltage - Supply [Min]	Voltage - Supply [Max]	Technology	Memory Format	Access Time	Mounting Type	Operating Temperature [Min]	Operating Temperature [Max]	Memory Organization	Supplier Device Package	Package / Case	Package / Case	Package / Case	Memory Size	Memory Interface	Memory Type	Write Cycle Time - Word, Page	Supplier Device Package [y]	Supplier Device Package [x]	Package / Case [x]	Package / Case [y]
Microchip Technology AT28HC64BF-12PU	4.5 V	5.5 V	EEPROM	EEPROM	120 ns	Through Hole	-40 °C	85 °C	8 K	28-PDIP	28-DIP	0.6 in	15.24 mm	64 Kbit	Parallel	Non-Volatile	10 ms
Microchip Technology AT28HC64B-12JI	4.5 V	5.5 V	EEPROM	EEPROM	120 ns	Surface Mount	-40 °C	85 °C	8 K	32-PLCC	32-LCC (J-Lead)			64 Kbit	Parallel	Non-Volatile	10 ms	11.43	13.97
Microchip Technology AT28HC64BF-90SU	4.5 V	5.5 V	EEPROM	EEPROM	90 ns	Surface Mount	-40 °C	85 °C	8 K	28-SOIC	28-SOIC			64 Kbit	Parallel	Non-Volatile	10 ms			0.295 in	7.5 mm
Microchip Technology AT28HC64B-70PI	4.5 V	5.5 V	EEPROM	EEPROM	70 ns	Through Hole	-40 °C	85 °C	8 K	28-PDIP	28-DIP	0.6 in	15.24 mm	64 Kbit	Parallel	Non-Volatile	10 ms
Microchip Technology AT28HC64B-70PC	4.5 V	5.5 V	EEPROM	EEPROM	70 ns	Through Hole			8 K	28-PDIP	28-DIP	0.6 in	15.24 mm	64 Kbit	Parallel	Non-Volatile	10 ms
Microchip Technology AT28HC64B-90PC	4.5 V	5.5 V	EEPROM	EEPROM	90 ns	Through Hole			8 K	28-PDIP	28-DIP	0.6 in	15.24 mm	64 Kbit	Parallel	Non-Volatile	10 ms
Microchip Technology AT28HC64BF-12TU	4.5 V	5.5 V	EEPROM	EEPROM	120 ns	Surface Mount	-40 °C	85 °C	8 K	28-TSOP	28-TSSOP			64 Kbit	Parallel	Non-Volatile	10 ms			0.465 "	11.8 mm
Microchip Technology AT28HC64B-90JC	4.5 V	5.5 V	EEPROM	EEPROM	90 ns	Surface Mount			8 K	32-PLCC	32-LCC (J-Lead)			64 Kbit	Parallel	Non-Volatile	10 ms	11.43	13.97
Microchip Technology AT28HC64B-70TU	4.5 V	5.5 V	EEPROM	EEPROM	70 ns	Surface Mount	-40 °C	85 °C	8 K	28-TSOP	28-TSSOP			64 Kbit	Parallel	Non-Volatile	10 ms			0.465 "	11.8 mm
Microchip Technology AT28HC64B-12JU	4.5 V	5.5 V	EEPROM	EEPROM	120 ns	Surface Mount	-40 °C	85 °C	8 K	32-PLCC	32-LCC (J-Lead)			64 Kbit	Parallel	Non-Volatile	10 ms	11.43	13.97

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Description

General part information

AT28HC64BF Series

The Microchip AT28HC64BF is a high-performance

64Kbit Parallel EEPROM offering access times to 55ns with power dissipation of

220mW. Deselected, CMOS standby current is less than 100µA. Accessed like

Documents

Technical documentation and resources