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PDM31564 Datasheet, PDF (2/9 Pages) List of Unclassifed Manufacturers – 256 X 16 CMOS 3.3V STATIC RAM
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Pin Configuration
TSOP (II)
PRELIMINARY
A4 1
A3 2
A2 3
A1 4
A0 5
CE 6
I/O0 7
I/O1 8
I/O2 9
I/O3 10
Vcc 11
Vss 12
I/O4 13
I/O5 14
I/O6 15
I/O7 16
WE 17
A17 18
A16 19
A15 20
A14 21
A13 22
44 A5
43 A6
42 A7
41 OE
40 UB
39 LB
38 I/O15
37 I/O14
36 I/O13
35 I/O12
34 Vss
33 Vcc
32 I/O11
31 I/O10
30 I/O9
29 I/O8
28 NC
27 A8
26 A9
25 A10
24 A11
23 A12
PDM31564
SOJ
A4 1
A3 2
A2 3
A1 4
A0 5
CE 6
I/O0 7
I/O1 8
I/O2 9
I/O3 10
Vcc 11
Vss 12
I/O4 13
I/O5 14
I/O6 15
I/O7 16
WE 17
A17 18
A16 19
A15 20
A14 21
A13 22
44 A5
43 A6
42 A7
41 OE
40 UB
39 LB
38 I/O15
37 I/O14
36 I/O13
35 I/O12
34 Vss
33 Vcc
32 I/O11
31 I/O10
30 I/O9
29 I/O8
28 NC
27 A8
26 A9
25 A10
24 A11
23 A12
Pin Description
Name
A17-A0
I/O15-I/O0
CE
WE
OE
LB, UB
NC
Vss
VCC
Description
Address Inputs
Data Inputs
Chip Enable Input
Write Enable Input
Output Enable Input
Data Byte Control Inputs
No Connect
Ground
Power (+3.3V)
Capacitance (TA = +25°C, f = 1.0 MHz)
Symbol
Parameter
Conditions
Max.
Unit
CIN
Input Capacitance
CI/O
Output Capacitance
VIN = VSS
VI/O = VSS
6
pF
8
pF
NOTE: This parameter is determined by device characterization, but is not production tested.
2
Rev. 1.2 - 3/31/98
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