參數(shù)資料
型號(hào)： UM61512AV
廠商： United Microelectronics Corporation
英文描述： CONNECTOR ACCESSORY
中文描述： 64K的× 8位高速CMOS SRAM的
文件頁(yè)數(shù)： 1/16頁(yè)
文件大?。?/td> 164K
代理商： UM61512AV
UM61512A Series
64K X 8 BIT HIGH SPEED CMOS SRAM
1
Features
Single +5V power supply
Access times: 15/20/25ns (max.)
Current: Operating: 160mA (max.)
Standby: 10mA (max.)
Full static operation, no clock or refreshing required
All inputs and outputs are directly TTL compatible
Common I/O using three-state output
Output enable and two chip enable inputs for easy
application
Data retention voltage: 3V (min.)
Available in 32-pin SKINNY DIP, TSOP, SOP, SOJ
and both 300/400 mil packages
General Description
The UM61512A is a low operating current 524,288-bit
static random access memory organized as 65,536
words by 8 bits and operates on a single 5V power
supply. It is built using UMC's high performance CMOS
process.
Inputs and three-state outputs are TTL compatible and
allow for direct interfacing with common system bus
structures.
Two chip enable inputs are provided for POWER-DOWN
and device enable and an output enable input is included
for easy interfacing.
Data retention is guaranteed at a power supply voltage
as low as 3V.
Pin Configurations
SKINNY/SOJ/SOP
TSOP (forward type)
NC
NC
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O
1
I/O
2
I/O
3
I/O
4
GND
I/O
5
I/O
6
I/O
7
I/O
8
CE1
A10
OE
A9
A8
A13
WE
CE2
A15
VCC
A11
U
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
U
1
16
17
32
Pin No.
Pin
Name
A11
A9
A8
A13
WE
CE2
A15
VCC
NC
NC
A14
A12
A7
A6
A5
A4
Pin No.
Pin
Name
A3
A2
A1
A0
I/O
1
I/O
2
I/O
3
GND
I/O
4
I/O
5
I/O
6
I/O
7
I/O
8
CE1
A10
OE
1
2
3
4
5
6
7
8
9
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
10
11
12
13
14
15
16
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