HMD4M32M2VE Datasheet, PDF (1/6 Pages) Hanbit Electronics Co.,Ltd – 16Mbyte(4Mx32) DRAM SIMM EDO MODE, 4K Refresh, 3.3V

HANBit
HMD4M32M2VE
16Mbyte(4Mx32) DRAM SIMM EDO MODE, 4K Refresh, 3.3V
Part No. HMD4M32M2VE, HMD4M32M2VEG
GENERAL DESCRIPTION
The HMD4M32M2VE is a 4M x 32 bit dynamic RAM high-density memory module. The module consists of two CMOS
4M x 16 bit DRAMs in 50-pin TSOP packages mounted on a 72-pin. A 0.1 or 0.22uF decoupling capacitor is mounted on
the printed circuit board for each DRAM components. The module is a single In-line memory module with edge
connections and is intended for mounting in to 72-pin edge connector sockets. All module components may be powered
from a single 3.3V DC power supply. All inputs and outputs are LVTTL-compatible.
FEATURES
w Part Identification
HMD4M32M2VE----Lead finish Solder
HMD4M32M2VEG- Lead finish Gold
w Access times : 50, 60ns
w High-density 16MByte design
w 4K Cycles/64ms Ref, Gold
w Single +3.3V± 0.3V power supply
wJEDEC standard pinout
w EDO Mode operation
w LVTTL compatible inputs and outputs
w FR4-PCB design
OPTIONS
MARKING
w Timing
50ns access
-5
60ns access
-6
w Packages
72-pin SIMM
M
PERFORMANCE RANGE
PIN ASSIGNMENT
PIN SYMBOL PIN SYMBOL PIN SYMBOL PIN SYMBOL
1
VSS
19
A10 37
NC
55 DQ11
2
DQ0
20 DQ4 38
NC
56 DQ27
3
DQ16 21 DQ20 39
VSS
57 DQ12
4
DQ1
22 DQ5 40 /CAS0 58 DQ28
5
DQ17
23 DQ21 41 /CAS2 59
VCC
6
DQ2
24 DQ6 42 /CAS3 60 DQ29
7
DQ18
25 DQ22 43 /CAS1 61 DQ13
8
DQ3
26 DQ7 44 /RAS0 62 DQ30
9
DQ19
27 DQ23 45
NC
63 DQ14
10
VCC
28
A7
46
NC
64 DQ31
11
NC
29
A11
47
/W
65 DQ15
12
A0
30 VCC 48
NC
66
NC
13
A1
31
A8
49
DQ8
67
PD1
14
A2
32
A9
50 DQ24 68
PD2
15
A3
33
NC
51
DQ9
69
PD3
16
A4
34
NC
52 DQ25 70
PD4
17
A5
35
NC
53 DQ10 71
NC
18
A6
36
NC
54 DQ26 72
VSS
Speed
tRAC
tCAC
tRC
5
50ns
13ns
84ns
6
60ns
PIN NAMES
15ns
104ns
Pin Name
Function
Pin Name
Function
Pin Name
Function
A0-A11
Address Input(4K Ref) /RAS0
Row Address Strobe
Vss
Ground
DQ0-DQ31 Data In/Out
/CAS0 - /CAS3 Column Address Strobe
NC
No Connection
/W
Read/Write Input
PD1 - PD4
Presence Detect
Vcc
Power(+3.3V)
URL:www.hbe.co.kr
REV.1.0 (August.2002)
1
H ANBit Electronics Co.,Ltd.