AM28F020A-70PCB View Datasheet(PDF) - Advanced Micro Devices

Part Name

Description

MFG CO.

AM28F020A-70PCB

2 Megabit (256 K x 8-Bit) CMOS 12.0 Volt, Bulk Erase Flash Memory with Embedded Algorithms

Advanced Micro Devices 

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SWITCHING WAVEFORMS

Embedded Embedded

Program Setup Program

Addresses

WE#

PA

tWC

tAS

tAH

OE#

CE#

tGHEL

tCPH

tCP

tWS

Data

tDH

50h

DIN

tDS

VCC

Data# Polling

PA

tEHEH3 OR 4

DQ7# DQ7# DOUT

VPP

tVPEL

Notes:

1. DIN is data input to the device.

2. DQ7# is the complement of the data written to the device.

3. DOUT is the data written to the device.

17502D-21

Figure 12. AC Waveforms for Embedded Programming Operation Using CE# Controlled Writes

30

Am28F020A

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