AS4C4M4F0
AS4C4M4F1
®
Logic block diagram for 2K refresh
V
CC
GND
Refresh
controller
Column decoder
Sense amp
Data
I/O
buffers
I/O0 to I/O3
RAS
RAS clock
generator
CAS
CAS clock
generator
WE
WE clock
generator
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
OE
Address buffers
Row decoder
2048 × 2048 × 4
Array
(16,777,216)
Substrate bias
generator
Recommended operating conditions
Parameter
Supply voltage
Input voltage
Ambient operating temperature
†
V
IL
Symbol
V
CC
GND
V
IH
V
IL
Commercial
Industrial
T
A
Min
4.5
0.0
2.4
–0.5
†
0
-40
Nominal
5.0
0.0
–
–
–
–
Max
5.5
0.0
V
CC
0.8
70
85
Unit
V
V
V
V
°C
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
ALSC [ ALLIANCE SEMICONDUCTOR CORPORATION ]
