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UPD23C256112A Datasheet(PDF) 3 Page - NEC

Part No. UPD23C256112A
Description  NAND INTERFACE 256M-BIT MASK-PROGRAMMABLE ROM
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Maker  NEC [NEC]
Homepage  http://www.nec.com/
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UPD23C256112A Datasheet(HTML) 3 Page - NEC

 
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Data Sheet M15902EJ2V0DS
3
µPD23C256112A
48-pin PLASTIC TSOP(I) (12x18) (Reverse bent)
[
µµµµPD23C256112AGY-xxx-MKH ]
Marking Side
NC
NC
NC
IC
IC
GND
R, /B
/RE
/CE
NC
NC
VCC
VSS
NC
NC
CLE
ALE
/WE
IC
IC
IC
NC
NC
NC
NC
NC
NC
NC
I/O7
I/O6
I/O5
I/O4
NC
NC
NC
VCC
VSS
NC
NC
NC
I/O3
I/O2
I/O1
I/O0
NC
NC
NC
NC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
I/O0 to I/O7
: Address Inputs / Command Inputs / Data Outputs
CLE
: Command Latch Enable Input
ALE
: Address Latch Enable Input
/WE
: Write Enable Input
/RE
: Read Enable Input
/CE
: Chip Enable Input
R, /B
Note1
: READY, /BUSY Output
VCC
: Supply voltage
Vss
: Ground
NC
Note2
: No connection
IC
Note3
: Internal connection
GND
: GND
Notes 1. This pin is an open-drain output pin. Therefore, a pull-up resistor is required when using this pin.
2. Some signals can be applied because this pin is not connected to the inside of the chip.
3. Leave this pin unconnected or connected to VSS.
Remark Refer to Package Drawings for the 1-pin index mark.


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