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HMS12832M4G-20 PDF预览

HMS12832M4G-20

更新时间: 2024-11-11 03:42:19
品牌 Logo 应用领域
HANBIT 静态存储器
页数 文件大小 规格书
11页 123K
描述
SRAM MODULE 512KByte (128K x 32-Bit), 64PIN SIMM / ZIP

HMS12832M4G-20 数据手册

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HANBit  
HMS12832M4G/Z4  
SRAM MODULE 512KByte (128K x 32-Bit), 64PIN SIMM / ZIP  
Part No. HMS12832M4G, HMS12832Z4  
GENERAL DESCRIPTION  
The HMS12832M4G/Z4 is a high-speed static random access memory (SRAM) module containing 131,072 words organized  
in a x32-bit configuration. The module consists of four 128K x 8 SRAMs mounted on a 64-pin, single-sided, FR4-printed circuit  
board.  
PD0 and PD1 identify the modules density allowing interchangeable use of alternate density, industry- standard modules. Four  
chip enable inputs, (/CE1, /CE2, /CE3 and /CE4) are used to enable the modules 4 bytes independently. Output enable(/OE)  
and write enable(/WE) can set the memory input and output.  
Data is written into the SRAM memory when write enable (/WE) and chip enable (/CE) inputs are both LOW. Reading is  
accomplished when /WE remains HIGH and /CE and output enable (/OE) are LOW.  
For reliability, this SRAM module is designed as multiple power and ground pin. All module components may be powered from  
a single +5V DC power supply and all inputs and outputs are fully TTL-compatible.  
FEATURES  
w Access times : 10, 12, 15 and 20ns  
PIN ASSIGNMENT  
w High-density 512KByte design  
w High-reliability, high-speed design  
w Single + 5V ±0.5V power supply  
w Easy memory expansion with /CE and  
/OE functions  
PIN SYMBOL PIN SYMBOL PIN SYMBOL PIN SYMBOL  
1
2
Vss  
NC  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
A2  
A9  
33  
34  
35  
36  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
/CE4  
/CE3  
NC  
49  
50  
51  
52  
53  
54  
55  
56  
57  
58  
59  
60  
61  
62  
63  
64  
A4  
A11  
w All inputs and outputs are TTL-compatible  
w Industry-standard pinout  
3
NC  
DQ12  
DQ4  
DQ13  
DQ5  
DQ14  
DQ6  
DQ15  
DQ7  
Vss  
A5  
4
DQ0  
DQ8  
DQ1  
DQ9  
DQ2  
DQ10  
DQ3  
DQ11  
Vcc  
A0  
A16  
A12  
w FR4-PCB design  
5
/OE  
Vcc  
6
Vss  
A13  
7
DQ24  
DQ16  
DQ25  
DQ17  
DQ26  
DQ18  
DQ27  
DQ19  
A3  
A6  
OPTIONS MARKING  
8
DQ20  
DQ28  
DQ21  
DQ29  
DQ22  
DQ30  
DQ23  
DQ31  
Vss  
9
w Timing  
10  
11  
12  
13  
14  
15  
16  
8ns access  
10ns access  
12ns access  
15ns access  
20ns access  
- 8  
-10  
-12  
-15  
-20  
/WE  
A15  
A7  
A14  
A1  
/CE2  
/CE1  
w Packages  
64-pin SIMM  
64-pin ZIP  
A8  
A10  
M
Z
SIMM  
TOP VIEW  
URL: www.hbe.co.kr  
1
HANBit ElectronicsCo.,Ltd.  
Rev. 1.0 (September / 2002)  

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