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PDM41256 Datasheet, PDF (2/8 Pages) List of Unclassifed Manufacturers – 256K Static RAM 32K x 8-Bit | |||
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Pin Conï¬gurations
TSOP
SOJ
PDM41256
Pin Description
Name
A14-A0
I/O7-I/O0
OE
WE
CE
VCC
VSS
Description
Address Inputs
Data Inputs/Outputs
Output Enable Input
Write Enable Input
Chip Enable Input
Power (+5V)
Ground
3-34
Truth Table
OE WE CE
I/O
MODE
X
X
L
H
X
L
H
H
H
Hi-Z
L
DOUT
L
DIN
L
Hi-Z
Standby
Read
Write
Output Disable
NOTE: 1. H = VIH, L = VIL, X = DONâT CARE
Absolute Maximum Ratings (1)
Symbol Rating
Comâl.
Ind.
Unit
VTERM
Terminal Voltage with Respect to Vss
â0.5 to +7.0
â0.5 to +7.0
V
TBIAS
TSTG
Temperature Under Bias
Storage Temperature
â55 to +125
â65 to +135
°C
â55 to +125
â65 to +150
°C
PT
IOUT
Power Dissipation
DC Output Current
1.0
1.0
W
50
50
mA
NOTE: 1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may
cause permanent damage to the device. This is a stress rating only and functional
operation of the device at these or any other conditions above those indicated in the
operational sections of this speciï¬cation is not implied. Exposure to absolute maxi-
mum rating conditions for extended periods may affect reliability.
Recommended DC Operating Conditions
Symbol
Parameter
Min.
Typ.
Max.
Unit
VCC
VSS
Commercial
Industrial
Supply Voltage
Supply Voltage
Ambient Temperature
Ambient Temperature
4.5
5.0
5.5
V
0
0
0
V
0
25
70
°C
â40
25
85
°C
Rev. 2.0 - 7/17/96
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