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W27E257P-15 PDF预览

W27E257P-15

更新时间: 2024-11-21 22:17:35
品牌 Logo 应用领域
华邦 - WINBOND 可编程只读存储器电动程控只读存储器
页数 文件大小 规格书
14页 227K
描述
32K X 8 ELECTRICALLY ERASABLE EPROM

W27E257P-15 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:QFJ包装说明:PLASTIC, LCC-32
针数:32Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.32.00.51
风险等级:5.26最长访问时间:150 ns
命令用户界面:NO数据轮询:NO
JESD-30 代码:R-PQCC-J32JESD-609代码:e0
长度:13.97 mm内存密度:262144 bit
内存集成电路类型:EEPROM内存宽度:8
功能数量:1端子数量:32
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:QCCJ
封装等效代码:LDCC32,.5X.6封装形状:RECTANGULAR
封装形式:CHIP CARRIER并行/串行:PARALLEL
峰值回流温度(摄氏度):225电源:5 V
编程电压:5 V认证状态:Not Qualified
座面最大高度:3.56 mm最大待机电流:0.0001 A
子类别:EEPROMs最大压摆率:0.03 mA
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
端子面层:Tin/Lead (Sn/Pb)端子形式:J BEND
端子节距:1.27 mm端子位置:QUAD
处于峰值回流温度下的最长时间:30切换位:NO
宽度:11.43 mmBase Number Matches:1

W27E257P-15 数据手册

 浏览型号W27E257P-15的Datasheet PDF文件第2页浏览型号W27E257P-15的Datasheet PDF文件第3页浏览型号W27E257P-15的Datasheet PDF文件第4页浏览型号W27E257P-15的Datasheet PDF文件第5页浏览型号W27E257P-15的Datasheet PDF文件第6页浏览型号W27E257P-15的Datasheet PDF文件第7页 
W27E257  
32K ´ 8 ELECTRICALLY ERASABLE EPROM  
GENERAL DESCRIPTION  
The W27E257 is a high-speed, low-power Electrically Erasable and Programmable Read Only  
Memory organized as 32768 ´ 8 bits that operates on a single 5 volt power supply. The W27E257  
provides an electrical chip erase function. This part was the same EPROM Writer's utilities as the  
W27E256.  
FEATURES  
· High speed access time:  
100/120/150 nS (max.)  
· +14V erase/+12V programming voltage  
· Fully static operation  
· Read operating current: 15 mA (typ.)  
· All inputs and outputs directly TTL/CMOS  
compatible  
· Erase/Programming operating current  
1 mA (typ.)  
· Three-state outputs  
· Available packages: 28-pin 600 mil DIP and  
32-pin PLCC  
· Standby current: 5 mA (typ.)  
· Single 5V power supply  
PIN CONFIGURATIONS  
BLOCK DIAGRAM  
Q0  
V
V
1
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
CC  
.
PP  
CE  
OUTPUT  
CONTROL  
DECODER  
.
2
A14  
A13  
A8  
A12  
A7  
BUFFER  
Q7  
OE  
3
4
A6  
5
A9  
A5  
A0  
.
6
A11  
A4  
28-pin  
DIP  
7
A3  
OE  
CORE  
ARRAY  
8
A10  
A2  
.
9
A1  
CE  
Q7  
A14  
10  
11  
12  
13  
14  
A0  
Q6  
Q5  
Q4  
Q3  
V
CC  
Q0  
Q1  
Q2  
GND  
GND  
V
PP  
PIN DESCRIPTION  
A
1
2
V
P
P
V
C
C
A
1
4
A
1
3
A
7
N
C
SYMBOL  
DESCRIPTION  
3
2
3
1
4
3
2
1
3
0
Address Inputs  
Data Inputs/Outputs  
A0- A14  
Q0- Q7  
CE  
29  
28  
27  
26  
25  
24  
23  
A8  
A9  
A11  
NC  
A6  
5
A5  
A4  
A3  
A2  
A1  
A0  
NC  
Q0  
6
7
8
9
10  
11  
12  
13  
32-pin  
PLCC  
OE  
A10  
Chip Enable  
CE  
Q7  
Q6  
Output Enable  
OE  
VPP  
VCC  
GND  
NC  
22  
21  
1
8
1
9
2
0
1
7
1
4
1
5
1
6
Program/Erase Supply Voltage  
Power Supply  
Q
2
Q
1
G
N
D
Q
3
Q
4
Q
5
N
C
Ground  
No Connection  
Publication Release Date: January 1997  
Revision A3  
- 1 -  

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