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HMD1M32M2G-7 PDF预览

HMD1M32M2G-7

更新时间: 2024-09-17 03:42:15
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HANBIT /
页数 文件大小 规格书
8页 204K
描述
4Mbyte(1Mx32) Fast Page Mode, 1K Refresh, 72Pin SIMM, 5V Design

HMD1M32M2G-7 技术参数

生命周期:Contact Manufacturer包装说明:,
Reach Compliance Code:unknown风险等级:5.75
Base Number Matches:1

HMD1M32M2G-7 数据手册

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HANBit  
HMD1M32M2G  
4Mbyte(1Mx32) Fast Page Mode, 1K Refresh, 72Pin SIMM, 5V Design  
Part No. HMD1M32M2G  
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.  
PIN ASSIGNMENT  
Features  
PIN SYMBOL PIN  
SYMBOL  
PIN SYMBOL  
1
2
Vss  
DQ0  
DQ16  
DQ1  
DQ17  
DQ2  
DQ18  
DQ3  
DQ19  
Vcc  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
DQ22  
DQ7  
DQ23  
A7  
49  
50  
51  
52  
53  
54  
55  
56  
57  
58  
59  
60  
61  
62  
63  
64  
65  
66  
67  
68  
69  
70  
71  
72  
DQ8  
DQ24  
DQ9  
w 72 pins Single In-Line Package  
w Fast Page Mode Capability  
3
w Single +5V± 0.5V power supply  
w Fast Access Time & Cycle Time  
4
DQ25  
DQ10  
DQ26  
DQ11  
DQ27  
DQ12  
DQ28  
Vcc  
5
NC  
tRAC tCAC tRC  
tPC  
40  
6
Vcc  
HMD1M32M2G-6  
HMD1M32M2G-7  
w Low Power  
60  
70  
15  
18  
110  
130  
7
A8  
45  
8
A9  
9
NC  
Active: 1,870/1,650/1,430 mW(MAX)  
Standby: 11mW(CMOS level : MAX)  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
/RAS2  
NC  
NC  
w /RAS Only Refresh, /CAS before /RAS Refresh,  
Hidden Refresh Capability  
A0  
NC  
DQ29  
DQ13  
DQ30  
DQ14  
DQ31  
DQ15  
NC  
A1  
NC  
w All inputs and outputs TTL Compatible  
w 1,024 Refresh Cycles/16ms  
A2  
NC  
A3  
Vss  
A4  
/CAS0  
/CAS2  
/CAS3  
/CAS1  
/RAS0  
NC  
PRESENCE DETECT PINS (Optional)  
A5  
A6  
PIN  
PD1  
PD2  
PD3  
PD4  
60NS  
Vss  
Vss  
NC  
70NS  
NC  
PD1  
Vss  
Vss  
Vss  
NC  
DQ4  
DQ20  
DQ5  
DQ21  
DQ6  
PD2  
PD3  
NC  
PD4  
/WE  
NC  
NC  
NC  
Vss  
PIN DESCRIPTION  
PIN  
FUNCTION  
PIN  
FUNCTION  
Presence Detect  
A0 A9  
Address Inputs  
PD1 PD4  
DQ0 DQ31  
/RAS0, /RAS2  
/CAS0 - /CAS3  
/WE  
Data Input/Output  
Vcc  
Vss  
NC  
-
Power (+5V)  
Ground  
Row Address Strobe  
Column Address Strobe  
Read/Write Enable  
No Connection  
-
URL:www.hbe.co.kr  
REV.1.0 (August.2002)  
HANBiT Electronics Co., Ltd  
1

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