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SST31LF021 bảng dữ liệu(PDF) 5 Page - Silicon Storage Technology, Inc

tên linh kiện SST31LF021
Giải thích chi tiết về linh kiện  2 Mbit Flash 1 Mbit SRAM ComboMemory
PDF  24 Pages
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nhà sản xuất  SST [Silicon Storage Technology, Inc]
Trang chủ  http://www.sst.com/
Logo SST - Silicon Storage Technology, Inc

SST31LF021 bảng dữ liệu(HTML) 5 Page - Silicon Storage Technology, Inc

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Data Sheet
2 Mbit Flash + 1 Mbit SRAM ComboMemory
SST31LF021 / SST31LF021E
5
©2001 Silicon Storage Technology, Inc.
S71137-03-000
10/01 392
internal Program or Erase operation. See Table 4 for soft-
ware command codes, Figure 12 for timing waveform and
Figure 18 for a flowchart.
Design Considerations
SST recommends a high frequency 0.1 µF ceramic capac-
itor to be placed as close as possible between VDD and
VSS, e.g., less than 1 cm away from the VDD pin of the
device. Additionally, a low frequency 4.7 µF electrolytic
capacitor from VDD to VSS should be placed within 1 cm of
the VDD pin.
FIGURE 1: PIN ASSIGNMENTS FOR 32-LEAD TSOP (8MM X 14MM)
I/O Buffers
392 ILL B1.2
Address Buffers
DQ7 - DQ0
SuperFlash
Memory
SRAM
Control Logic
Address Buffers
& Latches
OE#
BEF#
WE#
BES#
AMS - A0
Note: AMS = Most Significant Address
FUNCTIONAL BLOCK DIAGRAM
A11
A9
A8
A13
A14
A17
WE#
VDD
BES#
A16
A15
A12
A7
A6
A5
A4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
OE#
A10
BEF#
DQ7
DQ6
DQ5
DQ4
DQ3
VSS
DQ2
DQ1
DQ0
A0
A1
A2
A3
OE#
A10
BEF#
DQ7
DQ6
DQ5
DQ4
DQ3
VSS
DQ2
DQ1
DQ0
A0
A1
A2
A3
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
392 ILL F01.3
Standard Pinout
Top View
Die Up
A11
A9
A8
A13
A14
A17
BES#
VDD
WE#
A16
A15
A12
A7
A6
A5
A4
SST31LF021E
SST31LF021
SST31LF021
SST31LF021E



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