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HMS25632J2V-85 PDF预览

HMS25632J2V-85

更新时间: 2024-11-11 03:45:03
品牌 Logo 应用领域
HANBIT 静态存储器
页数 文件大小 规格书
7页 55K
描述
SRAM MODULE 1Mbyte (256K x 32-Bit) 3.3V, 68-Pin JLCC Packaging

HMS25632J2V-85 技术参数

生命周期:Contact Manufacturer包装说明:,
Reach Compliance Code:unknown风险等级:5.8
Base Number Matches:1

HMS25632J2V-85 数据手册

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HANBit  
HMS25632J2V  
SRAM MODULE 1Mbyte (256K x 32-Bit) 3.3V, 68-Pin JLCC Packaging  
HMS25632J2V  
Part No.  
GENERAL DESCRIPTION  
The HMS25632J2V is a high-speed static random access memory (SRAM) module containing 262,144 words organized in a  
x32-bit configuration. The module consists of two 256K x 16 SRAMs mounted on a 68-pin, double-sided, FR4-printed circuit  
board. The HMS25632J2V uses 31 common input and output lines and has an output enable pin which operates faster than  
address access time at read cycle. Also it allows that lower and upper byte access by data byte control (/BS0~/BS3). 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 +3.3V DC power supply and all inputs and outputs are fully LVTTL-compatible.  
FEATURES  
w Access times : 10, 12 ,15, and 70, 85, 100ns  
PIN ASSIGNMENT  
w Low Power Dissipation  
w High-density 1Mbyte design  
w High-reliability, high-speed design  
9
8
7
6
5
4
3
2
1
68 67 66 65 64 63 62 61  
60  
w Single + 3.3V ±0.3V power supply  
w Easy memory expansion /CE  
and /OE functions  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
DQ17  
DQ18  
DQ19  
Vs s  
DQ20  
DQ21  
DQ22  
DQ23  
Vcc  
DQ24  
DQ25  
DQ26  
DQ27  
Vs s  
DQ28  
DQ29  
DQ30  
DQ14  
59  
58  
57  
56  
55  
54  
53  
52  
51  
50  
49  
48  
47  
46  
45  
44  
DQ13  
DQ12  
Vs s  
DQ11  
DQ10  
DQ9  
DQ8  
Vcc  
DQ7  
DQ6  
DQ5  
DQ4  
Vs s  
w All inputs and outputs are  
LVTTL-compatible  
w Industry-standard pinout  
w FR4-PCB design  
w Low profile 68-pin JLCC  
OPTIONS  
w Timing  
MARKING  
DQ3  
DQ2  
DQ1  
10ns access  
12ns access  
15ns access  
-10  
-12  
-15  
27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43  
w Packages  
68-pin JLCC  
J
JLCC TOP VIEW  
PIN FUNCTION  
PIN NAME  
A0-A17  
DQ0-31  
/WE  
PIN FUNCTION  
PIN NAME  
/BS0 ~ /BS3  
Vcc  
PIN FUNCTION  
Byte Controls  
Power(+3.3V)  
Ground  
Address Inputs  
Data Inputs  
Write Enable  
Chip Enable  
Output Enable  
Vss  
/CE  
N.C  
No Connection  
/OE  
URL: www.hbe.co.kr  
1
HANBit ElectronicsCo.,Ltd.  
Rev. 1.0 (September / 2002)  

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