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HMN1M8D-120I 参数 Datasheet PDF下载

HMN1M8D-120I图片预览
型号: HMN1M8D-120I
PDF下载: 下载PDF文件 查看货源
内容描述: 非易失性SRAM模块8Mbit的( 1,024KX 8位) , 36PIN DIP, 5V [Non-Volatile SRAM MODULE 8Mbit (1,024K X 8-Bit), 36Pin-DIP, 5V]
分类和应用: 存储内存集成电路静态存储器
文件页数/大小: 9 页 / 167 K
品牌: HANBIT [ HANBIT ELECTRONICS CO.,LTD ]
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HANBit
HMN1M8D
Non-Volatile SRAM MODULE 8Mbit (1,024K X 8-Bit), 36Pin-DIP, 5V
Part No. HMN1M8D
GENERAL DESCRIPTION
The HMN1M8D Nonvolatile SRAM is a 8,388,608-bit static RAM organized as 1,048,576 bytes by 8 bits.
The HMN1M8D has a self-contained lithium energy source provide reliable non-volatility coupled with the unlimited write
cycles of standard SRAM and integral control circuitry which constantly monitors the single 5V supply for an out-of-
tolerance condition. When such a condition occurs, the lithium energy source is automatically switched on to sustain the
memory until after V
CC
returns valid and write protection is unconditionally enabled to prevent garbled data. In addition the
SRAM is unconditionally write-protected to prevent an inadvertent write operation. At this time the integral energy source is
switched on to sustain the memory until after V
CC
returns valid.
The HMN1M8D uses extremely low standby current CMOS SRAM’s, coupled with small lithium coin cells to provide non-
volatility without long write-cycle times and the write-cycle limitations associated with EEPROM.
FEATURES
w
Access time : 70, 85, 120, 150 ns
w
High-density design : 8Mbit Design
w
Battery internally isolated until power is applied
w
Industry-standard 36-pin 1,024K x 8 pinout
w
Unlimited write cycles
w
Data retention in the absence of V
CC
w
10-years minimum data retention in absence of power
w
Automatic write-protection during power-up/power-down
cycles
w
Data is automatically protected during power loss
PIN ASSIGNMENT
NC
NC
A
18
A
16
A
14
A
12
A
7
A
6
A
5
A
4
A
3
A
2
A
1
A
0
DQ
0
DQ
1
DQ
2
V
SS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
V
CC
A
19
NC
A
15
A
17
/WE
A
13
A
8
A
9
A
11
/OE
A
10
/CE
DQ
7
DQ
6
DQ
5
DQ
4
DQ
3
OPTIONS
w
Timing
70 ns
85 ns
120 ns
150 ns
MARKING
- 70
- 85
-100
-150
36-pin Encapsulated Package
URL : www.hbe.co.kr
Rev. 0.0 (April, 2002)
1
HANBit Electronics Co.,Ltd