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參數(shù)資料
| 型號(hào)： | HMD1M32M2G-6 |
| 廠商： | Hanbit Electronics Co.,Ltd. |
| 英文描述： | 4Mbyte(1Mx32) Fast Page Mode, 1K Refresh, 72Pin SIMM, 5V Design |
| 中文描述： | 4Mbyte（1Mx32）快速頁(yè)面模式，每1000刷新，72Pin上海藥物研究所，5V的設(shè)計(jì) |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大?。?/td> | 200K |
| 代理商： | HMD1M32M2G-6 |
HANBit HMD1M32M2G
URL:www.hbe.co.kr
HANBiT Electronics Co., Ltd
REV.1.0 (August.2002)
PIN ASSIGNMENT
DESCRIPTION
The HMD1M32M2G is an 1M x 32 bits Dynamic RAM MODULE which is assembled 2 pieces of 1M x 16bit DRAMs in 42 pin
SOJ package on single sides the printed circuit board with decoupling capacitors. The HMD1M32M2G is optimized for
application to the systems, which are required high density and large capacity such as main memory of the computers and an
image memory systems, and to the others, which are, requested compact size.
The HMD1M32M2G provides common data and outputs.
Features
w
72 pins Single In-Line Package
w
Fast Page Mode Capability
w
Single +5V
±
0.5V power supply
w
Fast Access Time & Cycle Time
t
RAC
t
CAC
t
RC
t
PC
HMD1M32M2G-6
60
15
110
40
HMD1M32M2G-7
70
18
130
45
w
Low Power
Active: 1,870/1,650/1,430 mW(MAX)
Standby: 11mW(CMOS level : MAX)
w
/RAS Only Refresh, /CAS before /RAS Refresh,
Hidden Refresh Capability
w
All inputs and outputs TTL Compatible
w
1,024 Refresh Cycles/16ms
PRESENCE DETECT PINS
(Optional)
PIN
60NS
70NS
PD1
Vss
Vss
PD2
Vss
Vss
PD3
NC
Vss
PD4
NC
NC
PIN DESCRIPTION
PIN
FUNCTION
PIN
FUNCTION
A0
–
A9
Address Inputs
PD1
–
PD4
Presence Detect
DQ0
–
DQ31
Data Input/Output
Vcc
Power (+5V)
/RAS0, /RAS2
Row Address Strobe
Vss
Ground
/CAS0 - /CAS3
Column Address Strobe
NC
No Connection
/WE
Read/Write Enable
-
-
PIN
SYMBOL
PIN
SYMBOL
PIN
SYMBOL
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
Vss
DQ0
DQ16
DQ1
DQ17
DQ2
DQ18
DQ3
DQ19
Vcc
NC
A0
A1
A2
A3
A4
A5
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
DQ22
DQ7
DQ23
A7
NC
Vcc
A8
A9
NC
/RAS2
NC
NC
NC
NC
Vss
/CAS0
/CAS2
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
DQ8
DQ24
DQ9
DQ25
DQ10
DQ26
DQ11
DQ27
DQ12
DQ28
Vcc
DQ29
DQ13
DQ30
DQ14
DQ31
DQ15
18
A6
42
/CAS3
66
NC
19
NC
43
/CAS1
67
PD1
20
DQ4
44
/RAS0
68
PD2
21
DQ20
45
NC
69
PD3
22
DQ5
46
NC
70
PD4
23
DQ21
47
/WE
71
NC
24
DQ6
48
NC
72
Vss
4Mbyte(1Mx32) Fast Page Mode, 1K Refresh, 72Pin SIMM, 5V Design
Part No. HMD1M32M2G
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