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HMF1M32M8G-55 PDF预览

HMF1M32M8G-55

更新时间: 2024-01-31 04:51:29
品牌 Logo 应用领域
HANBIT 闪存存储
页数 文件大小 规格书
11页 419K
描述
FLASH-ROM MODULE 4MByte (1M x 32-Bit), 72pin-SIMM, 5V

HMF1M32M8G-55 技术参数

生命周期:Contact Manufacturer包装说明:,
Reach Compliance Code:unknown风险等级:5.8
Is Samacsys:NBase Number Matches:1

HMF1M32M8G-55 数据手册

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HANBit  
HMF1M32M8G  
FLASH-ROM MODULE 4MByte (1M x 32-Bit), 72pin-SIMM, 5V  
Part No. HMF1M32M8G  
GENERAL DESCRIPTION  
The HMF1M32M8G is a high-speed flash read only memory (FROM) module containing 1,048,576 words organized in a  
x32bit configuration. The module consists of eight 512K x 8 FROM mounted on a 72 -pin, single-sided, FR4-printed circuit  
board. Commands are written to the command register using standard microprocessor write timings.  
Register contents serve as input to an internal state-machine, which controls the erase and programming circuitry. Write  
cycles also internally latch addresses and data needed for the programming and erase operations. Reading data out of the  
device is similar to reading from 12.0V flash or EPROM devices.  
Eight chip enable inputs, (/CE_UU1, /CE_UM1, /CE_LM1, /CE_LL1, /CE_UU2, /CE_UM2, /CE_LM2, /CE_LL2) are used to  
enable the modules 4 bytes independently. Output enable (/OE) and write enable (/WE) can set the memory input and  
output..When FROM module is disable condition the module is becoming power standby mode, system designer can get low -  
power design. All module components may be powered from a single +5V DC power supply and all inputs and outputs are  
TTL-compatible.  
PIN ASSIGNMENT  
FEATURES  
w Access time: 55, 70, 90 and 120ns  
w High-density 4MByte design  
PIN SYMBOL PIN  
SYMBOL  
PIN SYMBOL  
1
2
Vss  
A3  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
41  
42  
43  
44  
Vcc  
DQ8  
DQ9  
DQ10  
/CE_LM2  
Vcc  
49  
50  
51  
52  
53  
54  
55  
56  
57  
58  
59  
60  
61  
62  
63  
64  
65  
66  
67  
68  
DQ17  
DQ18  
DQ22  
DQ21  
DQ20  
DQ19  
Vcc  
w High-reliability, low-power design  
3
A2  
w Single + 5V 0.5V power supply  
±
4
A1  
w Easy memory expansion  
5
A0  
w All inputs and outputs are TTL-compatible  
w FR4-PCB design  
6
Vcc  
7
A11  
/CE_LM1  
DQ15  
DQ14  
DQ13  
DQ12  
DQ11  
A18  
8
/OE  
A15  
w Low profile 72-pin SIMM  
9
A10  
A12  
w Minimum 1,000,000 write/erase cycle  
w Sector erases architecture  
w Sector group protection  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
Vcc  
A7  
Vcc  
/CE_LL2  
/CE_LL1  
DQ7  
DQ0  
DQ1  
DQ2  
DQ6  
DQ5  
DQ4  
DQ3  
A8  
A9  
w Temporary sector group unprotection  
A16  
DQ24  
DQ25  
DQ26  
/CE_UU2  
/CE_UU1  
DQ31  
DQ30  
Vss  
OPTIONS  
w Timing  
MARKING  
A6  
Vcc  
A5  
55ns access  
70ns access  
90ns access  
120ns access  
w Packages  
72-pin SIMM  
-55  
-70  
A4  
Vcc  
-90  
21  
/WE  
45  
69  
DQ29  
/CE_UM2  
-120  
22  
23  
24  
A17  
A14  
A13  
46  
47  
48  
70  
71  
72  
DQ28  
DQ27  
Vss  
/CE_UM1  
DQ23  
M
DQ16  
72-PIN SIMM  
TOP VIEW  
1
URL : www.hbe.co.kr  
REV.02(August,2002)  
HANBit Electronics Co., Ltd.  

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