HMF2M32M4GL Datasheet, PDF (1/12 Pages) Hanbit Electronics Co.,Ltd – FLASH-ROM MODULE 8MByte (2M x 32-Bit), 72pin-SIMM, 5V

HANBit
HMF2M32M4GL
FLASH-ROM MODULE 8MByte (2M x 32-Bit), 72pin-SIMM, 5V
Part No. HMF2M32M4GL
GENERAL DESCRIPTION
The HMF2M32M4GL is a high-speed flash read only memory (FROM) module containing 2,097,152 words organized in a
x32bit configuration. The module consists of four 2M x 8bit 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.
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 single +5V DC power supply and all inputs and outputs are TTL-
compatible.
FEATURES
w Access time : 75, 90 and 120ns
w High-density 8MByte 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 Am29F016B
OPTIONS
w Timing
75ns access
90ns access
120ns access
w Packages
72-pin SIMM
MARKING
-75
-90
-120
M
PIN ASSIGNMENT
PIN SYMBOL PIN
1
Vss
25
2
NC
26
3
DQ0
27
4
DQ1
28
5
DQ2
29
6
DQ3
30
7
DQ4
31
8
DQ5
32
9
DQ6
33
10
Vcc
34
11
DQ7
35
12 /WE0 36
13 /RY_BY 37
14
DQ8
38
15
DQ9
39
16 DQ10 40
17 DQ11 41
18 DQ12 42
19 DQ13 43
20 DQ14 44
21 DQ15 45
22 /WE1 46
23
NC
47
24 DQ16 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 SYMBOL
49 /BANK-E0
50
A18
51
A17
52
A16
53
A15
54
A14
55
A13
56
A12
57
A11
58
A10
59
Vcc
60
A9
61
A8
62
A7
63
A6
64
A5
65
A4
66
A3
67
A2
68
A1
69
A0
70
A20
71
NC
72
Vss
72-PIN SIMM
TOP VIEW
URL:www.hbe.co.kr
REV.02(August,2002)
1
HANBit Electronics Co., Ltd.