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W27C520W-90 PDF预览

W27C520W-90

更新时间: 2024-09-18 22:08:31
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
16页 237K
描述
64K X 8 ELECTRICALLY ERASABLE EPROM

W27C520W-90 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:TSSOP包装说明:TSSOP, TSSOP20,.25
针数:20Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.32.00.51
风险等级:5.88最长访问时间:90 ns
其他特性:CAN ALSO OPERATE 4.5V TO 5.5V命令用户界面:NO
数据轮询:NOJESD-30 代码:R-PDSO-G20
JESD-609代码:e0长度:6.5 mm
内存密度:524288 bit内存集成电路类型:EEPROM
内存宽度:8功能数量:1
端子数量:20字数:65536 words
字数代码:64000工作模式:ASYNCHRONOUS
最高工作温度:70 °C最低工作温度:
组织:64KX8封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装等效代码:TSSOP20,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
并行/串行:PARALLEL峰值回流温度(摄氏度):NOT SPECIFIED
电源:3.3/5 V编程电压:3 V
认证状态:Not Qualified座面最大高度:1.1 mm
最大待机电流:0.00002 A子类别:EEPROMs
最大压摆率:0.02 mA最大供电电压 (Vsup):3.6 V
最小供电电压 (Vsup):3 V标称供电电压 (Vsup):3.3 V
表面贴装:YES技术:CMOS
温度等级:COMMERCIAL端子面层:TIN LEAD
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
切换位:NO宽度:4.4 mm
Base Number Matches:1

W27C520W-90 数据手册

 浏览型号W27C520W-90的Datasheet PDF文件第2页浏览型号W27C520W-90的Datasheet PDF文件第3页浏览型号W27C520W-90的Datasheet PDF文件第4页浏览型号W27C520W-90的Datasheet PDF文件第5页浏览型号W27C520W-90的Datasheet PDF文件第6页浏览型号W27C520W-90的Datasheet PDF文件第7页 
Preliminary W27C520  
´ 8 ELECTRICALLY ERASABLE EPROM  
64K  
GENERAL DESCRIPTION  
The W27C520 is a high speed, low power Electrically Erasable and Programmable Read Only Memory  
organized as 65,536 ´ 8 bits. It includes latches for the lower 8 address lines to multiplex with the 8  
data lines. To cooperate with the MCU, this device could save the external TTL component, also cost  
and space. It requires only one supply in the range of 3.0V to 3.6V or 4.5V to 5.5V in normal read  
mode. The W27C520 provides an electrical chip erase function. It will be a great convenient when you  
need to change/update the contents in the device.  
FEATURES  
· High speed access time: 70/90 nS (max.)  
· Read operating current: 8/20 mA (max.)  
· Erase/Programming operating current  
· High Reliability CMOS Technology  
- 2K V ESD Protection  
- 200 mA Latchup Immunity  
· Fully static operation  
30 mA (max.)  
· All inputs and outputs directly LVTTL/CMOS  
compatible  
· Three-state outputs  
· Standby current: 20/100 mA (max.)  
· Unregulated battery power supply range,  
3.0V to 3.6V and 4.5V to 5.5V  
· Available packages: 20-pin TSSOP and 20-pin  
SOP  
· +13V erase and programming voltage  
PIN CONFIGURATIONS  
BLOCK DIAGRAM  
1
2
3
4
5
6
7
8
9
10  
A10  
A12  
A14  
ALE  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
A8  
ALE  
OUTPUT  
BUFFER  
CONTROL  
AD1  
AD3  
AD5  
AD7  
GND  
OE / V  
PP  
L
V
DD  
TSSOP  
Top View  
A
T
C
H
E
S
AD7 - AD0  
OE/VPP  
A15  
MEMORY  
ARRAY  
DECODER  
AD6  
AD4  
AD2  
AD0  
A13  
A15 - A8  
A11  
A9  
V
DD  
GND  
1
VDD  
ALE  
A14  
A12  
A10  
A8  
OE/VPP  
A15  
20  
2
3
19  
18  
17  
PIN DESCRIPTION  
A13  
A11  
A9  
SYMBOL  
DESCRIPTION  
4
Address/Data Inputs/Outputs  
Address Inputs  
AD0- AD7  
A8- A15  
ALE  
5
SOP  
Top View  
16  
15  
14  
13  
12  
11  
6
AD0  
7
AD1  
AD2  
AD4  
AD6  
GND  
Address Latch Enable  
8
AD3  
AD5  
AD7  
Output Enable, Program/Erase  
Supply Voltage  
OE/VPP  
9
10  
VDD  
Power Supply  
Ground  
GND  
Publication Release Date: October 2000  
Revision A1  
- 1 -  

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