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HMF8M32M8GL

Description
FLASH-ROM MODULE 32MByte (8M x 32-Bit)
File Size420KB,11 Pages
ManufacturerHANBIT Electronics
Websitehttp://www.hbe.co.kr/
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HMF8M32M8GL Overview

FLASH-ROM MODULE 32MByte (8M x 32-Bit)

HANBit
HMF8M32M8GL
FLASH-ROM MODULE 32MByte (8M x 32-Bit)
Part No. HMF8M32M8GL
GENERAL DESCRIPTION
The HMF8M32M8GL is a high-speed flash read only memory (FROM) module containing 8,388,608 words organized in a
x32bit configuration. The module consists of eight 4M 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. This module is 2 bank organized, each bank containing 4Mx32bit, Bank
selection is selected by Bank-E0, Bank-E1 inputs. Byte write enable inputs, (/WE0, /WE1, /WE2, /WE3) are used to enable the
module’s 8bits 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.
FEATURES
w
Access time : 75, 90 and 120ns
w
High-density 32MByte design
w
High-reliability, low-power design
w
Single + 5V
±
0.5V 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
w
The used device is AM29F032B
PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
-75
-90
-120
17
18
19
20
21
M
22
23
24
PIN ASSIGNMENT
SYMBOL
Vss
/BANK-
E1
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
NC
/RESET
A19
/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
/BANK-E0
A18
A17
A16
A15
A14
A13
A12
A11
A10
Vcc
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
A20
A21
Vss
OPTIONS
w
Timing
75ns access
90ns access
120ns access
w
Packages
72-pin SIMM
MARKING
URL:
www.hbe.co.kr
REV.02(August,2002)
1
HANBit Electronics Co., Ltd.

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