SST31LF041 Ver la hoja de datos (PDF) - Silicon Storage Technology
Número de pieza
componentes Descripción
Fabricante
SST31LF041 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 A18-0
BES#1
SIX-BYTE CODE FOR BANK-ERASE
5555 2AAA
5555
5555
2AAA
5555
TSBE
BEF#
OE#1
WE#
TWP
DQ7-0
AA
55
80
AA
55
10
SW0
SW1
SW2
SW3
SW4
SW5
349 ILL F17.8
Note: The device also supports BEF# controlled Bank-Erase operation. The WE# and BEF# signals are
interchangeable as long as minimum timings are met. (See Table 12)
Note 1. For SST31LF041A/043A, BES# and OE# share pin 32. During Flash operation, pin 32 functions as OE#.
FIGURE 11: WE# CONTROLLED FLASH BANK-ERASE TIMING DIAGRAM
ADDRESS A14-0
BES#1
THREE-BYTE SEQUENCE FOR
SOFTWARE ID ENTRY
5555
2AAA
5555
0000
0001
BEF#
OE#1
WE#
TWP
TIDA
DQ7-0
TWPH
AA
55
90
TAA
BF
Device ID
SW0
SW1
SW2
Note 1. For SST31LF041A/043A, BES# and OE# share pin 32. During Flash operation, pin 32 functions as OE#.
Note: Device ID = 16H for SST31LF041A, 17H for SST31LF041, 65H for SST31LF043 and 66H for SST31LF043A.
FIGURE 12: FLASH SOFTWARE ID ENTRY AND READ
349 ILL F09.7
©2001 Silicon Storage Technology, Inc.
16
S71107-03-000 5/01 349
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