參數(shù)資料
型號(hào)： SMJ44400JD
廠商： Electronic Theatre Controls, Inc.
英文描述： 1M x 4 DRAM DYNAMIC RANDOM-ACCESS MEMORY
中文描述： 100萬(wàn)× 4的DRAM動(dòng)態(tài)隨機(jī)存取存儲(chǔ)器
文件頁(yè)數(shù)： 4/21頁(yè)
文件大?。?/td> 351K
代理商： SMJ44400JD
DRAM
SMJ44400
Austin Semiconductor, Inc.
SMJ44400
Rev. 2.0 10/01
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
4
FUNCTIONAL BLOCK DIAGRAM
RAS\
CAS\
W\
OE\
A0
A1
A9
Timeing and Control
Column
Address
Buffers
Row
Address
Buffers
R
O
W
D
E
C
O
D
E
R
Column Decode
Sense Amplifiers
128K Array
128K Array
128K Array
128K Array
128K Array
128K Array
8
2
10
10
16
16
I/O
Buffers
4 of 16
Selection
Data
In
Reg.
Data
Out
Reg.
16
16
2
4
4
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
V
CC
Supply Voltage
V
IH
High-Level Input Voltage
V
IL
T
A
Minimum Operating Temperature
T
C
Maximum Operating Case Temperature
MIN
4.5
NOM
5
MAX
5.5
UNIT
V
2.4
6.5
V
Low-Level Input Voltage
1
-1
0.8
V
-55
°C
125
°C
1. The algebraic convention, where the more negative (less positive) limit is designated as minimum, is used for logic-voltage levels only.
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