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UPD43257BCZ-85L Datasheet(PDF) 4 Page - NEC

Part # UPD43257BCZ-85L
Description  MOS INTEGRATED CIRCUIT 256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD43257BCZ-85L Datasheet(HTML) 4 Page - NEC

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Data Sheet M10693EJ9V0DS
4
μPD43257B
28-pin PLASTIC SOP (11.43 mm (450))
[
μPD43257BGU-xxL ]
[
μPD43257BGU-xxLL ]
[
μPD43257BGU-xxL-A ]
[
μPD43257BGU-xxLL-A ]
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O1
I/O2
I/O3
GND
VCC
/WE
A13
A8
A9
A11
CE2
A10
/CE1
I/O8
I/O7
I/O6
I/O5
I/O4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
A0 - A14
: Address inputs
I/O1 - I/O8
: Data inputs / outputs
/CE1
: Chip Enable 1
CE2
: Chip Enable 2
/WE
: Write Enable
VCC
: Power supply
GND
: Ground
Remark Refer to Package Drawings for the 1-pin marking.


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