AS4C4M4F0 查看數據表（PDF） - Alliance Semiconductor
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AS4C4M4F0 Datasheet PDF : 18 Pages
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Logic block diagram for 2K refresh
VCC
GND
RAS
RAS clock
generator
A0
A1
A2
A3
A4
CAS clock
CAS
generator
A5
A6
A7
A8
A9
WE clock
A10
WE
generator
AS4C4M4F0
AS4C4M4F1
®
Column decoder
Sense amp
2048 × 2048 × 4
Array
(16,777,216)
Data
I/O
buffers
I/O0 to I/O3
OE
Substrate bias
generator
Recommended operating conditions
Parameter
Symbol
Min
Nominal
Max Unit
Supply voltage
VCC
4.5
5.0
5.5
V
GND
0.0
0.0
0.0
V
Input voltage
VIH
2.4
–
VIL
–0.5†
–
VCC
V
0.8
V
Commercial
0
–
70
Ambient operating temperature
Industrial
TA
-40
–
°C
85
†VIL min -3.0V for pulse widths less than 5 ns. Recommended operating conditions apply throughout this document unlesss otherwise specified.
4/11/01; v.0.9
Alliance Semiconductor
P. 3 of 18
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