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參數資料
| 型號： | CAT35C804A |
| 英文描述： | 4K-Bit Secure Access Serial E2PROM |
| 中文描述： | 4K的位安全接入串行E2PROM |
| 文件頁數： | 1/14頁 |
| 文件大小： | 88K |
| 代理商： | CAT35C804A |
1
Preliminary
CAT35C804A
4K-Bit Secure Access Serial E
2
PROM
FEATURES
I
Single 5V Supply
I
Password READ/WRITE Protection: 1 to 8 Bytes
I
Memory Pointer WRITE Protection
I
Sequential READ Operation
I
256 x16 or 512 x 8 Selectable Serial Memory
I
UART Compatible Asynchronous Protocol
I
100,000 Program/Erase Cycles
I
Commercial, Industrial and Automotive
Temperature Ranges
I
I/O Speed: 9600 Baud
–Clock Frequency: 4.9152 MHz Xtal
I
Low Power Consumption:
–Active: 3 mA
–Standby: 250
μ
A
I
100 Year Data Retention
DESCRIPTION
The CAT35C804A is a 4K-bit Serial E
2
PROM that safe-
guards stored data from unauthorized access by use of
a user selectable (1 to 8 byte) access code and a
movable memory pointer. Two operating modes provide
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.
35C804 F02
BLOCK DIAGRAM
5074 FHD F01
PIN CONFIGURATION
DIP Package (P)
SOIC Package (J)
CS
CLK
DI
DO
VCC
PE
ERR
GND
DI
DO
NC
NC
ERR
GND
NC
NC
NC
NC
CS
CLK
NC
NC
VCC
PE
1
2
3
4
8
7
6
5
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
PIN FUNCTIONS
Pin Name
Function
CS
Chip Select
DO
(1)
Serial Data Output
CLK
Clock Input
DI
(1)
Serial Data Input
PE
Parity Enable
ERR
Error Indication Pin
V
CC
+5V Power Supply
GND
Ground
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
SERIAL
COMMUNI-
CATION
BLOCK
INSTRUCTION
REGISTER
INSTRUCTION
DECODER
STATUS
REGISTER
64-BIT ACCESS CODE
&
CONTROL BLOCK
4K-BIT EEPROM
ARRAY
R/W
BUFFER
ADDRESS
DECODER
ADDRESS
REGISTER
MEMORY
POINTER
DO
CLK
PE
CS
DI
ERR
VCC
GND
Doc. No. 25043-00 2/98
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相關代理商/技術參數 |
參數描述 |
|---|---|
| CAT35C804ACI | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Serial EEPROM |
| CAT35C804ADI | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Serial EEPROM |
| CAT35C804AJATE13 | 制造商:CATALYST 制造商全稱:Catalyst Semiconductor 功能描述:4K-Bit Secure Access Serial E2PROM |
| CAT35C804AJITE13 | 制造商:CATALYST 制造商全稱:Catalyst Semiconductor 功能描述:4K-Bit Secure Access Serial E2PROM |
| CAT35C804AJI-TE13 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Serial EEPROM |
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