SST31LF043-70-4C-WI View Datasheet(PDF) - Silicon Storage Technology
Part Name
Description
MFG CO.
SST31LF043-70-4C-WI Datasheet PDF : 26 Pages
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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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