A290021T-90 View Datasheet(PDF) - AMIC Technology

Part Name

Description

Manufacturer

A290021T-90

256K X 8 Bit CMOS 5.0 Volt-only, Boot Sector Flash Memory

AMIC Technology 

Timing Waveforms for Chip/Sector Erase Operation

A29002/A290021 Series

Addresses

CE

Erase Command Sequence (last two cycles)

tWC

tAS

2AAh

SA

555h for chip erase

tAH

OE

WE

Data

tVCS

tGHWL

tCH

tWP

tCS

tDS

tWPH

tDH

55h

30h

10h for chip erase

VCC

Read Status Data

VA

VA

tWHWH2

In

Progress

Complete

Note : SA = Sector Address. VA = Valid Address for reading status data.

(February, 2002, Version 1.0)

21

AMIC Technology, Inc.

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