M29F002 データシートの表示（PDF） - Advanced Micro Devices

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M29F002

2 Megabit (256 K x 8-Bit) CMOS 5.0 Volt-only Boot Sector Flash Memory

Advanced Micro Devices 

AC CHARACTERISTICS

PRELIMINARY

Addresses

CE#

OE#

WE#

Data

VCC

tVCS

Erase Command Sequence (last two cycles)

tWC

2AAh

tAS

SA

555h for chip erase

tAH

tGHWL

tCH

tWP

tCS

tWPH

tDS

tDH

55h

30h

10 for Chip Erase

Read Status Data

VA

VA

tWHWH2

In

Progress

Complete

Notes:

1. SA = sector address (for Sector Erase), VA = Valid Address for reading status data (see “Write Operation Status”).

20818C-15

Figure 12. Chip/Sector Erase Operation Timings

Am29F002/Am29F002N

28

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