UPD444012AGY-B10X-MJH NEC [NEC], UPD444012AGY-B10X-MJH Datasheet - Page 3

• Manufacturer Part Number: UPD444012AGY-B10X-MJH
• Description: 4M-BIT CMOS STATIC RAM 256K-WORD BY 16-BIT EXTENDED TEMPERATURE OPERATION
• Manufacturer: NEC [NEC]

Pin Configuration (Marking Side)
/xxx indicates active low signal.
CE2
/WE
A15
A14
A13
A12
A11
A10
A17
/UB
NC
NC
NC
/LB
NC
A9
A8
A7
A6
A5
A4
A3
A2
A1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Remark Refer to Package Drawing for the 1-pin index mark.
48-pin PLASTIC TSOP (I) (12 18) (Normal bent)
A0 - A17
I/O1 - I/O16 : Data inputs / outputs
/CE1, CE2
/WE
/OE
/LB, /UB
V
GND
NC
[ PD444012AGY-BxxX-MJH ]
[ PD444012AGY-CxxX-MJH ]
CC
Data Sheet M14464EJ5V0DS
: Chip Enable 1, 2
: Write Enable
: Output Enable
: Byte data select
: Power supply
: Ground
: No Connection
: Address inputs
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
PD444012A-X
A16
NC
GND
I/O16
I/O8
I/O15
I/O7
I/O14
I/O6
I/O13
I/O5
V
I/O12
I/O4
I/O11
I/O3
I/O10
I/O2
I/O9
I/O1
/OE
GND
/CE1
A0
CC
3