SST31LF041 データシートの表示（PDF） - Silicon Storage Technology

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SST31LF041

4 Mbit Flash + 1 Mbit or 256 Kbit SRAM ComboMemory

Silicon Storage Technology 

4 Mbit Flash + 1 Mbit or 256 Kbit SRAM ComboMemory

SST31LF041 / SST31LF041A / SST31LF043 / SST31LF043A

Data Sheet

ADDRESS A18-0

5555

2AAA

5555

ADDR

INTERNAL PROGRAM OPERATION STARTS

TBP

BES#1

BEF#

OE#1

TAS

TAH

TCP

TCPH

TDS

TDH

WE#

TCH

DQ7-0

TCS

AA

55

A0

DATA

SW0

SW1

SW2

BYTE

(ADDR/DATA)

349 ILL F05.6

Note 1. For SST31LF041A/043A, BES# and OE# share pin 32. During Flash operation, pin 32 functions as OE#.

FIGURE 7: BEF# CONTROLLED FLASH PROGRAM CYCLE TIMING DIAGRAM

ADDRESS A18-0

BES#1

BEF#

OE#1

WE#

TOEH

TCE

TOE

TOES

DQ7

D

D#

D#

D

349 ILL F06.6

Note 1. For SST31LF041A/043A, BES# and OE# share pin 32. During Flash operation, pin 32 functions as OE#.

FIGURE 8: FLASH DATA# POLLING TIMING DIAGRAM

©2001 Silicon Storage Technology, Inc.

14

S71107-03-000 5/01 349

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