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MSM548128BL Datasheet, PDF (4/12 Pages) OKI electronic componets – 131,072-Word X 8-Bit High-Speed PSRAM
¡ Semiconductor
MSM548128BL
FUNCTION TABLE
CE
CS (CE Low)
RFSH
OE
WE
L
H
X
L
H
L
H
X
X
L
L
H
X
H
H
L
L
X
X
X
H
X
L
X
X
H
X
H
X
X
L : Low Level Input
H : High Level Input
X : Don’t Care
I/O Pin
Low-Z
High-Z
High-Z
High-Z
High-Z
High-Z
Mode
Read
Write
—
CS Standby
Refresh
Standby
ELECTRICAL CHARACTERISTICS
Absolute Maximum Ratings
Parameter
Voltage on Any Pin from VSS *1
Power Dissipation
Operating Temperature
Storage Temperature
Storage Temperature (biased)
Short Circuit Output Current
*1 To VSS
Symbol
VT
PD
Topr
Tstg
Tbias
IOS
Rating
–1.0 to 7.0
1.0
0 to 70
–55 to 125
–10 to 85
50
Unit
V
W
°C
°C
°C
mA
Note:
1. Permanent device damage may occur if ABSOLUTE MAXIMUM RATINGS are
exceeded. Functional operation should be restricted to the conditions as detailed
in the operational sections of this data sheet. Exposure to absolute maximum
rating conditions for extended periods may affect device reliability.
Recommended Operating Conditions
Parameter
Power Supply Voltage
Input Voltage
Symbol
VCC
VSS
VIH
VIL
Min.
4.5
0
2.4
–0.5
Typ.
5.0
0
—
—
Max.
5.5
0
6.0
0.8
(Ta = 0°C to 70°C)
Unit
V
V
V
V
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