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Hanbit Electronics - FLASH-ROM MODULE

Numéro de référence HMF51232M4S
Description FLASH-ROM MODULE
Fabricant Hanbit Electronics 
Logo Hanbit Electronics 





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HMF51232M4S fiche technique
HANBit
HMF51232M4S
FLASH-ROM MODULE 2MByte (512K x 32-Bit)
Part No. HMF51232M4S
GENERAL DESCRIPTION
The HMF51232M4S is a high-speed flash read only memory (FROM) module containing 524,288 words organized in a x32bit
configuration. The module consists of four 512Kx 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.
Four chip enable inputs, (/CE_UU1, /CE_UM1, /CE_LM1, /CE_LL1) are used to enable the modules 4 bytes independently.
www.DataSheet4U.Ocoumtput 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 : 55,70, 90 and 120ns
w High-density 2MByte design
w High-reliability, low-power design
w Single + 5V ± 0.5V power supply
w Easy memory expansion
wAll 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 Sector erases architecture
w Sector group protection
w Temporary sector group unprotection
w Part Identification
HMF51232M4S: Gold Plate Lead
OPTIONS
w Timing
55ns access
70ns access
90ns access
120ns access
w Package
72-pin SIMM
MARKING
- 55
- 70
- 90
- 120
M
FUNCTIONAL BLOCK DIAGRAM
URL: www.hbe.co.kr
REV.02(August,2002)
PIN ASSIGNMENT
PIN SYMBOL PIN SYMBOL PIN SYMBOL
1 Vss 25 Vcc 49 DQ17
2 A3 26 DQ8 50 DQ18
3 A2 27 DQ9 51 DQ22
4 A1 28 DQ10 52 DQ21
5 A0 29 NC 53 DQ20
6 Vcc 30 Vcc 54 DQ19
7 A11 31 /CE_LM1 55 Vcc
8 /OE 32 DQ15 56 A15
9 A10 33 DQ14 57 A12
10 Vcc 34 DQ13 58
A7
11 NC 35 DQ12 59 Vcc
12 /CE_LL1 36
DQ11
60
A8
13 DQ7 37 A18 61
A9
14 DQ0 38 A16 62 DQ24
15 DQ1 39 Vss 63 DQ25
16 DQ2 40 A6 64 DQ26
17 DQ6 41 Vcc 65 NC
18 DQ5 42 A5 66 /CE_UU1
19 DQ4 43 A4 67 DQ31
20 DQ3 44 Vcc 68 DQ30
21 /WE 45 NC 69 DQ29
22
A17
46 /CE_UM1 70
DQ28
23 A14 47 DQ23 71 DQ27
24 A13 48 DQ16 72
Vss
72-PIN SIMM
TOP VIEW
1 HANBit Electronics Co., Ltd.

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