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 A14-0

BES#1

THREE-BYTE SEQUENCE FOR

SOFTWARE ID EXIT AND RESET

5555

2AAA 5555

DQ7-0

BEF#

AA

55

F0

TIDA

OE#1

WE#

TWP

SW0

T WHP

SW1

SW2

349 ILL F10.7

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

FIGURE 13: FLASH SOFTWARE ID EXIT AND RESET

ADDRESS A18-0

BEj#

TBS

BEj1#

WE#

OE#

DQ7-0

Note: j = F or S

j1 = S or F

FIGURE 14: TIMING DIAGRAM FOR ALTERNATING BETWEEN FLASH/SRAM AND SRAM/FLASH

349 ILL F22.0

©2001 Silicon Storage Technology, Inc.

17

S71107-03-000 5/01 349

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