D43257B 查看數據表（PDF） - NEC => Renesas Technology
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D43257B Datasheet PDF : 20 Pages
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28-PIN PLASTIC SOP (11.43 mm (450))
[ µPD43257BGU-xxL ]
[ µPD43257BGU-xxLL ]
A14
1
A12
2
A7
3
A6
4
A5
5
A4
6
A3
7
A2
8
A1
9
A0
10
I/O1
11
I/O2
12
I/O3
13
GND
14
28
VCC
27
/WE
26
A13
25
A8
24
A9
23
A11
22
CE2
21
A10
20
/CE1
19
I/O8
18
I/O7
17
I/O6
16
I/O5
15
I/O4
A0 - A14
I/O1 - I/O8
/CE1
CE2
/WE
VCC
GND
: Address inputs
: Data inputs / outputs
: Chip Enable 1
: Chip Enable 2
: Write Enable
: Power supply
: Ground
Remark Refer to Package Drawings for the 1-pin marking.
µPD43257B
4
Data Sheet M10693EJ7V0DS00
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