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PDF HMF8M8M4G Data sheet ( Hoja de datos )
| Número de pieza | HMF8M8M4G | |
| Descripción | FLASH-ROM MODULE | |
| Fabricantes | Hanbit Electronics | |
| Logotipo |  |
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HANBit
HMF8M8M4G
FLASH-ROM MODULE 8MByte (8M x 8-Bit)
Part No. HMF8M8M4G
GENERAL DESCRIPTION
The HMF8M8M4G is a high-speed flash read only memory (FROM) module containing 8,388,608 words organized in a x8bit
configuration. The module consists of four 2M 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.
www.DataSheet4U.Fcoomur chip enable inputs, (/CE1, /CE2, /CE3, /CE4) are used to enable the module’s 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.
FEATURES
w Part identification
- HMF8M8M4 (Solder Plating Lead)
- HMF8M8M4G (Gold Plating Lead)
w Access time : 70, 90, 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 Flexible sector architecture
w Embedded algorithms
w Erase suspend / Erase resume
OPTIONS
w Timing
70ns access
90ns access
120ns access
w Packages
72-pin SIMM
MARKING
- 70
- 90
-120
M
PIN ASSIGNMENT
PIN SYMBOL PIN SYMBOL PIN SYMBOL
1 Vss 25 A15 49
2 /CE0 26 A16 50
3 /CE1 27 A17 51
4 /CE2 28 A18 52
5 /CE3 29 A19 53
6 Vcc 30 Vcc 54
7 /WE 31 A20 55
8 /OE 32 DQ0 56
9 /RESET 33
DQ1
57
10 A0 34 DQ2 58
11 A1 35 DQ3 59
12 A2 36 DQ4 60
13 A3 37 DQ5 61
14 A4 38 DQ6 62
15 A5 39 Vss 63
16 A6 40 DQ7 64
17 A7 41 /RY_BY0 65
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
Vcc
NC
NC
NC
Vss
NC
NC
18 A8 42 /RY_BY1 66 NC
19 A9 43 /RY_BY2 67 NC
20 A10 44 Vcc 68 NC
21 A11 45 /RY_BY3 69
NC
22 A12 46 NC 70 NC
23 A13 47 NC 71 NC
24 A14 48 NC 72 Vss
URL: www.hbe.co.kr
REV.02(August,2002)
72-PIN SIMM
TOP VIEW
1 HANBit Electronics Co., Ltd.
1 page  
HANBit
www.DataSheet4U.com
Device
Under
Test
CL
HMF8M8M4G
5.0V
IN3064
or Equivalent
2.7kΩ
6.2kΩ
Diodes = IN3064
or Equivalent
Note : CL = 100pF including jig capacitance
u Erase/Program Operations
PARAMETER
SYMBOLS
DESCRIPTION
JEDEC STANDARD
tAVAV
tAVWL
tWLAX
tDVWH
tWHDX
tGHWL
tELWL
tWHEH
tWLWH
tWHWL
tWHWH1
tWHWH2
tWC
tAS
tAH
tDS
tDH
tOES
tGHWL
tCS
tCH
tWP
tWPH
tWHWH1
tWHWH2
tVCS
Write Cycle Time
Address Setup Time
Address Hold Time
Data Setup Time
Data Hold Time
Output Enable Setup Time
Read Recover Time Before Write
/CE Setup Time
/CE Hold Time
Write Pulse Width
Write Pulse Width High
Byte Programming Operation
Sector Erase Operation (Note1)
Vcc set up time
Notes :
1. This does not include the preprogramming time
2. This timing is only for Sector Protect operations
URL: www.hbe.co.kr
REV.02(August,2002)
5
-75 -90 UNIT
Min
70 90
ns
Min 0 0 ns
Min
40 45
ns
Min
40 45
ns
Min 0 0 ns
Min 0 0 ns
Min 0 0 ns
Min 0 0 ns
Min 0 0 ns
Min
40 45
ns
Min
20 20
ns
Typ 7 7 µs
Typ 1 1 sec
Min
50 50
µs
HANBit Electronics Co., Ltd.
5 Page 
HANBit
PACKAGE DIMENSIONS
HMF8M8M4G
3.2 mm
108mm
6.35 mm
www.DataSheet4U.com
2.03 mm
1
1.02 mm
6.35 mm
95.25 mm
1.27 mm
72
3.34 mm
0.25 mm MAX
1.27
2.54 mm
MIN
Gold: 1.04±0.10 mm
Solder: 0.914±0.10 mm
(Solder & Gold Plating)
1.29±0.08 mm
ORDERING INFORMATION
Part Number
HMF8M8M4G-70
HMF8M8M4G-90
HMF8M8M4G-120
Density
Org.
Package
8MByte
8MByte
8MByte
8M X 8bit
8M X 8bit
8M X 8bit
72 Pin-SIMM
72 Pin-SIMM
72 Pin-SIMM
Component
Number
4EA
4EA
4EA
Vcc
5V
5V
5V
SPEED
70ns
90ns
120ns
URL: www.hbe.co.kr
REV.02(August,2002)
11 HANBit Electronics Co., Ltd.
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet HMF8M8M4G.PDF ] | |
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