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39SF020 数据表(PDF) 13 Page - Silicon Storage Technology, Inc

部件名 39SF020
功能描述  2 Megabit (256K x 8) Multi-Purpose Flash
PDF  23 Pages
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制造商  SST [Silicon Storage Technology, Inc]
网页  http://www.sst.com/
标志 SST - Silicon Storage Technology, Inc

39SF020 数据表(HTML) 13 Page - Silicon Storage Technology, Inc

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© 1998 Silicon Storage Technology, Inc.
326-10 12/98
2 Megabit Multi-Purpose Flash
SST39SF020
Preliminary Specifications
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
FIGURE 10: SOFTWARE ID ENTRY AND READ
326 ILL F09.3
ADDRESS A14-0
TIDA
DQ7-0
WE#
SW0
SW1
SW2
5555
2AAA
5555
0000
0001
OE#
CE#
Three-byte sequence for
Software ID Entry
TWP
TWPH
TAA
BF
B6
55
AA
90
FIGURE 9: WE# CONTROLLED CHIP ERASE TIMING DIAGRAM
Note: The device also supports CE# controlled chip erase operation. The WE# and CE# signals are
interchangeable as long as minimum timings are met. (See Table 10)
326 ILL F17.1
ADDRESS A17-0
DQ7-0
WE#
SW0
SW1
SW2
SW3
SW4
SW5
5555
2AAA
2AAA
5555
5555
55
10
55
AA
80
AA
5555
OE#
CE#
SIX-BYTE CODE FOR CHIP ERASE
TSCE
TWP



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