A428316 Datasheet, PDF (4/25 Pages) AMIC Technology – 256K X 16 CMOS DYNAMIC RAM WITH EDO PAGE MODE

Block Diagram
A428316 Series
OE
WE
UCAS
LCAS
A0 - A8
RAS
CAS Clock
Generator
WE Clock
Generator
OE Clock
Generator
Column
Address
Buffers
Refresh
Counter &
Controller
Row
Address
Buffers
AY0 - AY8
AX0 - AX8
Column Decoders
Sense Amplifiers
. . _{512 x 16} . .
.
.
.
Memory Array
512
512 x 512 x 16
.
.
.
RAS Clock
Generator
Data I/O
Buffers
I/O0
to
I/O15
VCC
VSS
Recommended Operating Conditions (Ta = 0°C to +70°C or -40°C to +85°C)
Symbol
Description
Min.
Typ.
Max.
Unit
VCC
Power Supply
4.5
5.0
5.5
V
VSS
Input High Voltage
0.0
0.0
0.0
V
VIH
Input High Voltage
2.4
-
VCC + 1.0
V
VIL
Input Low Voltage
-0.5
-
0.8
V
Notes
1
1
1
1
PRELIMINARY (August, 2002, Version 0.3)
3
AMIC Technology, Inc.