WSF41632-22XX Просмотр технического описания (PDF) - White Electronic Designs Corporation

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WSF41632-22XX

128KX32 SRAM & 512Kx32 FLASH MIXED MODULE

White Electronic Designs Corporation 

White Electronic Designs

WSF41632-22XX

PRELIMINARY

FIGURE 7 – WRITE/ERASE/PROGRAM OPERATION, FLASH MEMORY FWE# CONTROLLED

Addresses

FCS#

OE#

FWE#

Data

5.0 V

5555H

tWC

PA

tAS

tAH

tGHWL

tWP

tWPH

tCS

tDH

A0H

PD

tDS

Data# Polling

PA

tWHWH1

D7# DOUT

NOTES:

1. PA is the address of the memory location to be programmed.

2. PD is the data to be programmed at byte address.

3. D7# is the output of the complement of the data written to the device.

4. DOUT is the output of the data written to the device.

5. Figure indicates last two bus cycles of four bus cycle sequence.

6. SCS# = VIH

tRC

tOE

tDF

tOH

tCE

White Electronic Designs Corp. reserves the right to change products or specifications without notice.

October, 2002

Rev. 4

9

White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com

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