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HMF4M32M8VGL-120

产品描述Flash-ROM Module 16MByte (4Mx32Bit), 72Pin-SIMM, 3.3V Design
文件大小428KB,共11页
制造商HANBIT Electronics
官网地址http://www.hbe.co.kr/
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HMF4M32M8VGL-120概述

Flash-ROM Module 16MByte (4Mx32Bit), 72Pin-SIMM, 3.3V Design

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HANBit
HMF4M32M8VGL
Flash-ROM Module 16MByte (4Mx32Bit), 72Pin-SIMM, 3.3V Design
Part No. HMF4M32M8VGL
GENERAL DESCRIPTION
The HMF4M32M8VGL is a high-speed flash read only memory (FROM) module containing 4,194,304 words organized in a
x32bit configuration. The module consists of eight 2M x 8bit FROM mounted on a 72 -pin, double -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.
Four chip enable inputs, (/WE0, /WE1, /WE2, /WE3) are used to enable the module’s 8 bits 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 singl e +3.3V DC power supply and all inputs and outputs are TTL-
compatible.
PIN ASSIGNMENT
FEATURES
PIN
w
Access time : 70, 80, 90, 120ns
w
High-density 16MByte design
w
High-reliability, low-power design
w
Single + 3.3V
±
0.3V power supply
w
Easy memory expansion
w
All inputs and outputs are TTL-
compatible
w
FR4-PCB design
w
Low profile 72-pin SIMM
w
Minimum 1,000,000 write/erase cycle
w
Sectors erase architecture
w
Sector group protection
w
Temporary sector group unprotection
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Symbol
Vss
NC
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
Vcc
DQ7
/WE0
/RY_BY
DQ8
DQ9
DQ10
DQ11
DQ12
DQ13
DQ14
DQ15
/WE1
NC
DQ16
PIN
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
Symbol
DQ17
DQ18
DQ19
DQ20
DQ21
Vcc
DQ22
DQ23
/WE2
NC
DQ24
DQ25
DQ26
DQ27
Vss
DQ28
DQ29
DQ30
DQ31
/WE3
/BANKE1
/Reset
A2
/OE
PIN
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
Symbol
/BANKE0
A3
A4
A5
A6
A7
A8
A9
A10
A11
Vcc
A12
A13
A14
A15
A16
A17
A18
A19
A20
A0
A1
NC
Vss
OPTIONS
w
Timing
70ns access
80ns access
90ns access
120ns access
w
Packages
72-pin SIMM
MARKING
-70
-80
-90
-120
17
18
19
20
21
22
23
24
M
URL:
www.hbe.co.kr
REV.02(August,2002)
1
HANBit Electronics Co., Ltd.

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