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HMD4M32M8EG PDF预览

HMD4M32M8EG

更新时间: 2024-09-18 03:42:15
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HANBIT /
页数 文件大小 规格书
6页 53K
描述
16Mbyte(4Mx32) 72-pin EDO MODE, 2K/4K Ref. SIMM Design 5V

HMD4M32M8EG 数据手册

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HANBit  
HMD4M32M8EG/8EAG  
16Mbyte(4Mx32) 72-pin EDO MODE, 2K/4K Ref. SIMM Design 5V  
Part No. HMD4M32M8EG, HMD4M32M8EAG  
GENERAL DESCRIPTION  
The HMD4M32M8E is a 4M x 32 bit dynamic RAM high-density memory module. The module consists of eight CMOS  
4M x 4bit DRAMs in 24-pin SOJ packages mounted on a 72-pin, double-sided, FR-4-printed circuit board. 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 5V DC power supply and all inputs and outputs are TTL-compatible.  
FEATURES  
w Part Identification  
PIN ASSIGNMENT  
HMD4M32M8EG-- 2048 Cycles/32ms Ref. Gold  
HMD4M32M8EAG-- 4096 Cycles/64ms Ref. Gold  
PIN SYMBOL PIN  
SYMBOL  
DQ22  
DQ7  
DQ23  
A7  
PIN SYMBOL  
w Access times : 50, 60ns  
1
2
Vss  
DQ0  
DQ16  
DQ1  
DQ17  
DQ2  
DQ18  
DQ3  
DQ19  
Vcc  
NC  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
41  
42  
43  
44  
49  
50  
51  
52  
53  
54  
55  
56  
57  
58  
59  
60  
61  
62  
63  
64  
65  
66  
67  
68  
DQ8  
DQ24  
DQ9  
w High-density 16MByte design.  
w Single + 5V ±0.5V power supply  
w JEDEC standard pinout  
3
4
DQ25  
DQ10  
DQ26  
DQ11  
DQ27  
DQ12  
DQ28  
Vcc  
w EDO(extended data out) mode operation  
w TTL compatible inputs and outputs  
w FR4-PCB design  
5
A11  
6
Vcc  
7
A8  
8
A9  
9
NC  
OPTIONS  
w Timing  
MARKING  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
/RAS2  
NC  
50ns access  
60ns access  
w Packages  
72-pin SIMM  
-5  
-6  
A0  
NC  
DQ29  
DQ13  
DQ30  
DQ14  
DQ31  
DQ15  
NC  
A1  
NC  
A2  
NC  
M
A3  
Vss  
A4  
/CAS0  
/CAS2  
/CAS3  
/CAS1  
/RAS0  
A5  
PRESENCE DETECT PINS  
A6  
Pin  
PD1  
PD2  
PD3  
PD4  
50ns  
Vss  
NC  
60ns  
Vss  
NC  
A10  
DQ4  
Vss  
PD2  
21  
DQ20  
45  
NC  
69  
PD3  
22  
23  
24  
DQ5  
DQ21  
DQ6  
46  
47  
48  
NC  
/WE  
NC  
70  
71  
72  
PD4  
NC  
Vss  
Vss  
NC  
NC  
Vss  
PERFORMANCE RANGE  
A0-A11:Address Input (4K Ref.)  
A0-A10:Address Input (2K Ref.)  
Speed  
tRAC  
50ns  
60ns  
tCAC  
13ns  
15ns  
tRC  
90ns  
110ns  
tHPC  
26ns  
30ns  
5
6
*Note: A11 is used for only HMD4M32M8EAG  
1
URL:www.hbe.co.kr  
HANBit Electronics Co.,Ltd.  
REV. 1.0(August. 2002)  

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