CAT35C804APC PDF预览

CAT35C804APC

更新时间: 2025-07-30 21:18:43
品牌 Logo 应用领域
CATALYST 可编程只读存储器电动程控只读存储器电可擦编程只读存储器光电二极管内存集成电路
页数 文件大小 规格书
14页 88K
描述
EEPROM, 256X16, Serial, CMOS, PDIP8

CAT35C804APC 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:DIP, DIP8,.3Reach Compliance Code:unknown
风险等级:5.92备用内存宽度:8
数据保留时间-最小值:100耐久性:100000 Write/Erase Cycles
JESD-30 代码:R-PDIP-T8JESD-609代码:e0
内存密度:4096 bit内存集成电路类型:EEPROM
内存宽度:16端子数量:8
字数:256 words字数代码:256
最高工作温度:70 °C最低工作温度:
组织:256X16封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装等效代码:DIP8,.3
封装形状:RECTANGULAR封装形式:IN-LINE
并行/串行:SERIAL电源:5 V
认证状态:Not Qualified最大待机电流:0.00025 A
子类别:EEPROMs最大压摆率:0.003 mA
标称供电电压 (Vsup):5 V表面贴装:NO
技术:CMOS温度等级:COMMERCIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
写保护:SOFTWAREBase Number Matches:1

CAT35C804APC 数据手册

 浏览型号CAT35C804APC的Datasheet PDF文件第2页浏览型号CAT35C804APC的Datasheet PDF文件第3页浏览型号CAT35C804APC的Datasheet PDF文件第4页浏览型号CAT35C804APC的Datasheet PDF文件第5页浏览型号CAT35C804APC的Datasheet PDF文件第6页浏览型号CAT35C804APC的Datasheet PDF文件第7页 
Preliminary  
CAT35C804A  
4K-Bit Secure Access Serial E2PROM  
FEATURES  
Single 5V Supply  
Commercial, Industrial and Automotive  
Temperature Ranges  
Password READ/WRITE Protection: 1 to 8 Bytes  
Memory Pointer WRITE Protection  
Sequential READ Operation  
I/O Speed: 9600 Baud  
–Clock Frequency: 4.9152 MHz Xtal  
Low Power Consumption:  
–Active: 3 mA  
256 x16 or 512 x 8 Selectable Serial Memory  
UART Compatible Asynchronous Protocol  
100,000 Program/Erase Cycles  
–Standby: 250 µA  
100 Year Data Retention  
DESCRIPTION  
The CAT35C804A is a 4K-bit Serial E2PROM that safe-  
guards stored data from unauthorized access by use of  
a user selectable (1 to 8 byte) access code and a  
movablememorypointer. Twooperatingmodesprovide  
unprotected and password-protected operation allow-  
ing the user to configure the device as anything from a  
ROM to a fully protected no-access memory. The  
CAT35C804A uses a UART compatible asynchronous  
protocol and has a Sequential Read feature where data  
can be sequentially clocked out of the memory array.  
The device is available in 8-pin DIP or 16-pin SOIC  
packages.  
BLOCK DIAGRAM  
PIN CONFIGURATION  
DIP Package (P)  
SOIC Package (J)  
1
2
3
4
8
7
6
5
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
CS  
CLK  
DI  
V
NC  
NC  
CS  
CLK  
DI  
NC  
NC  
CC  
V
CC  
PE  
GND  
-
ERR  
GND  
V
64-BIT ACCESS CODE  
CC  
&
DO  
PE  
CONTROL BLOCK  
ERR  
GND  
NC  
DO  
CLK  
PE  
SERIAL  
COMMUNI-  
CATION  
DO  
NC  
NC  
NC  
CS  
DI  
BLOCK  
4K-BIT EEPROM  
ARRAY  
5074 FHD F01  
PIN FUNCTIONS  
R/W  
BUFFER  
ADDRESS  
DECODER  
Pin Name  
Function  
INSTRUCTION  
REGISTER  
CS  
Chip Select  
DO(1)  
CLK  
DI(1)  
PE  
Serial Data Output  
Clock Input  
INSTRUCTION  
DECODER  
ADDRESS  
REGISTER  
ERR  
Serial Data Input  
Parity Enable  
STATUS  
REGISTER  
MEMORY  
POINTER  
ERR  
VCC  
GND  
Error Indication Pin  
+5V Power Supply  
Ground  
35C804 F02  
Note:  
(1) DI, DO may be tied together to form a common I/O.  
© 1998 by Catalyst Semiconductor, Inc.  
Characteristics subject to change without notice  
Doc. No. 25043-00 2/98  
1

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