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W24257ACS-15 PDF预览

W24257ACS-15

更新时间: 2024-01-24 07:52:55
品牌 Logo 应用领域
华邦 - WINBOND 静态存储器光电二极管内存集成电路
页数 文件大小 规格书
10页 149K
描述
Standard SRAM, 32KX8, 15ns, CMOS, PDSO28, 0.330 INCH, SOP-28

W24257ACS-15 技术参数

生命周期:Obsolete零件包装代码:SOIC
包装说明:SOP,针数:28
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.32.00.41风险等级:5.82
最长访问时间:15 nsJESD-30 代码:R-PDSO-G28
长度:18.11 mm内存密度:262144 bit
内存集成电路类型:STANDARD SRAM内存宽度:8
功能数量:1端子数量:28
字数:32768 words字数代码:32000
工作模式:ASYNCHRONOUS最高工作温度:70 °C
最低工作温度:组织:32KX8
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
并行/串行:PARALLEL认证状态:Not Qualified
座面最大高度:2.85 mm最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):4.5 V标称供电电压 (Vsup):5 V
表面贴装:YES技术:CMOS
温度等级:COMMERCIAL端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
宽度:8.41 mm

W24257ACS-15 数据手册

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W24257AC  
32K ´ 8 HIGH SPEED CMOS STATIC RAM  
GENERAL DESCRIPTION  
The W24257AC is a high speed, low power CMOS static RAM organized as 32768 ´ 8 bits that  
operates on a single 5-volt power supply. This device is manufactured using Winbond's high  
performance CMOS technology.  
FEATURES  
· High speed access time: 10/12/15/20 nS (max.) · All inputs and outputs directly TTL compatible  
· Low power consumption:  
- Active: 400 mW (typ.)  
· Single +5V power supply  
· Three-state outputs  
· Available packages: 28-pin 300 mil SOJ, 330  
mil SOP, skinny DIP and standard type one  
TSOP (8 mm ´ 13.4 mm)  
· Fully static operation  
PIN CONFIGURATIONS  
BLOCK DIAGRAM  
DD  
SS  
V
V
A14  
A12  
A7  
1
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
VDD  
A0  
2
WE  
A13  
A8  
.
.
3
DECODER  
CORE  
ARRAY  
A6  
A5  
4
A14  
5
A9  
A4  
A11  
OE  
A10  
6
A3  
7
28-pin  
DIP  
CS  
A2  
8
I/O1  
.
.
CONTROL  
A1  
9
CS  
OE  
DATA I/O  
A0  
10  
11  
12  
13  
14  
I/O8  
I/O7  
I/O6  
I/O5  
I/O4  
I/O8  
WE  
I/O1  
I/O2  
I/O3  
V
SS  
PIN DESCRIPTION  
SYMBOL  
DESCRIPTION  
Address Inputs  
A0- A14  
A10  
OE  
1
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
A11  
A9  
2
CS  
Data Inputs/Outputs  
Chip Select Input  
Write Enable Input  
Output Enable Input  
Power Supply  
I/O1- I/O8  
3
I/O8  
A8  
4
I/O7  
A13  
5
I/O6  
I/O5  
I/O4  
CS  
6
WE  
28-pin  
TSOP  
DD  
7
V
WE  
8
A14  
A12  
A7  
V
SS  
9
I/O3  
I/O2  
I/O1  
A0  
A1  
A2  
10  
11  
12  
13  
14  
OE  
VDD  
VSS  
A6  
A5  
A4  
A3  
Ground  
Publication Release Date: October 1998  
Revision A1  
- 1 -  

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