W49F002A 256K x 8 CMOS Flash Memory

Winbond

Description

Preliminary W49F002A 256K × 8 CMOS FLASH MEMORY GENERAL .
The W49F002A is a 2-megabit, 5-volt only CMOS flash memory organized as 256K × 8 bits.

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Datasheet Specifications

Part number: W49F002A
Manufacturer: Winbond
File Size: 251.55 KB
Datasheet: W49F002A_Winbond.pdf
Description: 256K x 8 CMOS Flash Memory

Features

* Single 5-volt operations:
* 5-volt Read
* 5-volt Erase
* 5-volt Program Fast program operation:
* Byte-by-byte programming: 35 µS (typ. ) Fast erase operation: 100 mS (typ. ) Fast read access time: 120 nS Ten-year data retention Hardware data protection One 1

Applications

* where the local CPU can alter memory contents. As such, manufacture and device codes must be accessible while the device resides in the target system. PROM programmers typically access the signature codes by raising A9 to a high voltage. However, multiplexing high voltage onto the address lines is n

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