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參數資料
| 型號： | HMN1288D-70I |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Non-Volatile SRAM MODULE 1Mbit (128K x 8-Bit), 32Pin-DIP, 5V |
| 中文描述： | 非易失性SRAM模塊為1Mbit（128K的× 8位），32腳浸，5V的 |
| 文件頁數： | 1/9頁 |
| 文件大?。?/td> | 168K |
| 代理商： | HMN1288D-70I |
HANBit
HMN1288D
URL : www.hbe.co.kr 1 HANBit Electronics Co.,Ltd
Rev. 1.0 (June, 2002)
GENERAL DESCRIPTION
The HMN1288D Nonvolatile SRAM is a 1,048,576-bit static RAM organized as 131,072 bytes by 8 bits.
The HMN1288D 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 HMN1288D 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 : 1Mbit Design
w
Battery internally isolated until power is applied
w
Industry-standard 32-pin 128K 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
w
Conventional SRAM operation; unlimited write cycles
OPTIONS MARKING
w
Timing
70 ns - 70
85 ns - 85
120 ns -120
150 ns -150
PIN ASSIGNMENT
1 32
2 31
3 30
4 29
5 28
12 21
13 20
14 19
15 18
16 17
10 23
11 22
6 27
7 26
8 25
9 24
A
0
A
7
A
6
A
5
A
4
A
3
A
2
A
1
A
12
A
14
A
16
NC
DQ
0
DQ
1
DQ
2
V
SS
A
11
/OE
A
8
A
9
A
10
/CE
A
13
A
15
NC
/WE
DQ
3
DQ
4
DQ
5
DQ
6
DQ
7
V
CC
32-pin Encapsulated Package
Non-Volatile SRAM MODULE 1Mbit (128K x 8-Bit), 32Pin-DIP, 5V
Part No. HMN1288D
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| HMN1288D-85 | Non-Volatile SRAM MODULE 1Mbit (128K x 8-Bit), 32Pin-DIP, 5V |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| HMN1288D-85 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Non-Volatile SRAM MODULE 1Mbit (128K x 8-Bit), 32Pin-DIP, 5V |
| HMN1288D-85I | 制造商:HANBIT 制造商全稱:Hanbit Electronics Co.,Ltd 功能描述:Non-Volatile SRAM MODULE 1Mbit (128K x 8-Bit), 32Pin-DIP, 5V |
| HMN1288DV | 制造商:HANBIT 制造商全稱:Hanbit Electronics Co.,Ltd 功能描述:Non-Volatile SRAM Module 1Mbit (128K x 8-Bit), 32Pin-DIP, 3.3V |
| HMN1288DV-120 | 制造商:HANBIT 制造商全稱:Hanbit Electronics Co.,Ltd 功能描述:Non-Volatile SRAM Module 1Mbit (128K x 8-Bit), 32Pin-DIP, 3.3V |
| HMN1288DV-120I | 制造商:HANBIT 制造商全稱:Hanbit Electronics Co.,Ltd 功能描述:Non-Volatile SRAM Module 1Mbit (128K x 8-Bit), 32Pin-DIP, 3.3V |
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