SMJ44400 Просмотр технического описания (PDF) - Austin Semiconductor
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SMJ44400 Datasheet PDF : 21 Pages
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Austin Semiconductor, Inc.
DRAM
SMJ44400
FUNCTIONAL BLOCK DIAGRAM
RAS\ CAS\
W\
OE\
Timeing and Control
A0
8
Column Decode
16
A1
Sense Amplifiers
Column 2
Address
128K Array
128K Array
128K Array
R 128K Array
Buffers
O
A9
W
Data
4
16
In
16
D
E
I/O
Reg.
16
Buffers
Row
Address
Buffers
C
O
10
D
E
R
128K Array
128K Array
4 of 16
Selection
2
4
Data
Out
Reg.
10
ABSOLUTE MAXIMUM RATINGS*
Voltage on Vcc Supply Relative to Vss...............-1V to +7.0V
Voltage Range on Any Pin Relative to Vss.........-1V to +7.0V
Short Circuit Output Current (per I/O)….......................50mA
Power Dissipation.................................................................1W
Storage Temperature Range..........................-65°C to +150°C
Operating Temperature Range......................-55°C to +125°C
*Stresses greater than those listed under "Absolute
Maximum Ratings" may cause permanent damage to the
device. This is a stress rating only and functional opera-
tion of the device at these or any other conditions above
those indicated in the operation section of this specifica-
tion is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect reliability.
** Junction temperature depends upon package type,
cycle time, loading, ambient temperature and airflow.
RECOMMENDED OPERATING CONDITIONS
SYM
DESCRIPTION
MIN
VCC Supply Voltage
4.5
VIH High-Level Input Voltage
2.4
VIL Low-Level Input Voltage1
-1
TA Minimum Operating Temperature
-55
TC Maximum Operating Case Temperature
NOM
5
MAX
5.5
6.5
0.8
125
1. The algebraic convention, where the more negative (less positive) limit is designated as minimum, is used for logic-voltage levels only.
UNIT
V
V
V
°C
°C
SMJ44400
Rev. 2.0 10/01
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
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