Integrated Circuits (ICs)

AT29C257-20JC

Obsolete

Microchip Technology

IC FLASH 256KBIT PARALLEL 32PLCC

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Integrated Circuits (ICs)

AT29C257-20JC

Obsolete

Microchip Technology

IC FLASH 256KBIT PARALLEL 32PLCC

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DocumentsDatasheet

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	AT29C257-20JC

Access Time	200 ns
Memory Format	FLASH
Memory Interface	Parallel
Memory Organization	32K x 8
Memory Size	32 KB
Memory Type	Non-Volatile
Mounting Type	Surface Mount
Package / Case	32-LCC (J-Lead)
Supplier Device Package	32-PLCC
Supplier Device Package [x]	13.97
Supplier Device Package [y]	11.43
Technology	FLASH
Voltage - Supply [Max]	5.5 V
Voltage - Supply [Min]	4.5 V
Write Cycle Time - Word, Page	10 ms

AT29C257 Series

Part	Technology	Write Cycle Time - Word, Page	Supplier Device Package	Supplier Device Package [y]	Supplier Device Package [x]	Memory Organization	Package / Case	Mounting Type	Memory Interface	Memory Format	Access Time	Memory Type	Voltage - Supply [Min]	Voltage - Supply [Max]	Memory Size	Operating Temperature [Min]	Operating Temperature [Max]
Microchip Technology AT29C257-12JC-T	FLASH	10 ms	32-PLCC	11.43	13.97	32K x 8	32-LCC (J-Lead)	Surface Mount	Parallel	FLASH	120 ns	Non-Volatile	4.5 V	5.5 V	32 KB
Microchip Technology AT29C257-90JI	FLASH	10 ms	32-PLCC	11.43	13.97	32K x 8	32-LCC (J-Lead)	Surface Mount	Parallel	FLASH	90 ns	Non-Volatile	4.5 V	5.5 V	32 KB	-40 °C	85 °C
Microchip Technology AT29C257-12JC	FLASH	10 ms	32-PLCC	11.43	13.97	32K x 8	32-LCC (J-Lead)	Surface Mount	Parallel	FLASH	120 ns	Non-Volatile	4.5 V	5.5 V	32 KB
Microchip Technology AT29C257-15JI	FLASH	10 ms	32-PLCC	11.43	13.97	32K x 8	32-LCC (J-Lead)	Surface Mount	Parallel	FLASH	150 ns	Non-Volatile	4.5 V	5.5 V	32 KB	-40 °C	85 °C
Microchip Technology AT29C257-90JI-T	FLASH	10 ms	32-PLCC	11.43	13.97	32K x 8	32-LCC (J-Lead)	Surface Mount	Parallel	FLASH	90 ns	Non-Volatile	4.5 V	5.5 V	32 KB	-40 °C	85 °C
Microchip Technology AT29C257-20JC	FLASH	10 ms	32-PLCC	11.43	13.97	32K x 8	32-LCC (J-Lead)	Surface Mount	Parallel	FLASH	200 ns	Non-Volatile	4.5 V	5.5 V	32 KB
Microchip Technology AT29C257-12JI-T	FLASH	10 ms	32-PLCC	11.43	13.97	32K x 8	32-LCC (J-Lead)	Surface Mount	Parallel	FLASH	120 ns	Non-Volatile	4.5 V	5.5 V	32 KB	-40 °C	85 °C
Microchip Technology AT29C257-70JC-T	FLASH	10 ms	32-PLCC	11.43	13.97	32K x 8	32-LCC (J-Lead)	Surface Mount	Parallel	FLASH	70 ns	Non-Volatile	4.5 V	5.5 V	32 KB
Microchip Technology AT29C257-90JC	FLASH	10 ms	32-PLCC	11.43	13.97	32K x 8	32-LCC (J-Lead)	Surface Mount	Parallel	FLASH	90 ns	Non-Volatile	4.5 V	5.5 V	32 KB
Microchip Technology AT29C257-15JC	FLASH	10 ms	32-PLCC	11.43	13.97	32K x 8	32-LCC (J-Lead)	Surface Mount	Parallel	FLASH	150 ns	Non-Volatile			32 KB

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

AT29C257 Series

FLASH Memory IC 256Kbit Parallel 200 ns 32-PLCC (13.97x11.43)

Documents

Technical documentation and resources