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參數(shù)資料
| 型號： | 24C64 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | 64K-Bit Standard 2-Wire Bus Interface Serial EEPROM |
| 中文描述： | 64K的位標準2線總線接口的串行EEPROM |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 84K |
| 代理商： | 24C64 |
1
CAT24C323(32K), CAT24C643 (64K)
Supervisory Circuits with I2C Serial CMOS E2PROM, Precision Reset Controller and Watchdog Timer
DESCRIPTION
The CAT24C323/643 is a single chip solution to three
popular functions of EEPROM memory, precision reset
controller and watchdog timer. The 24C323(32K) and
24C643 (64K) feature a I
2
C Serial CMOS EEPROM
Catalyst advanced CMOS technology substantially re-
duces device power requirements. The 24C323/643
features a 32-byte page and is available in 8-pin DIP or
8-pin SOIC packages.
The reset function of the 24C323/643 protects the sys-
tem during brown out and power up/down conditions.
During system failure the watchdog timer feature pro-
tects the microcontroller with a reset signal. 24C323
features active low reset on pin 2 and active high reset
on pin 7. 24C323/643 features watchdog timer on the
WDI input pin (pin 1).
Pin Name
Function
SDA
Serial Data/Address
RESET/
RESET
Reset I/O
SCL
Clock Input
Vcc
Power Supply
V
SS
Ground
WDI
Watchdog Timer Input
WP
Write Protect
PIN FUNCITONS
PIN CONFIGURATION
24C323/643*
BLOCK DIAGRAM
EXTERNAL LOAD
*All products offered in P and J packages
Advanced
FEATURES
I
Watchdog Timer Input (WDI)
I
Programmable Reset Threshold
I
400 KHz I2C Bus Compatible
I
2.7 to 6 Volt Operation
I
Low Power CMOS Technology
I
32 - Byte Page Write Buffer
I
Built-in inadvertent write protection
—
V
CC
Lock Out
1998 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
I
Active High or Low Reset Outputs
— Precision Power Supply Voltage Monitoring
—
5V, 3.3V and 3V options
I
1,000,000 Program/Erase Cycles
I
100 Year Data Retention
I
8-Pin DIP or 8-Pin SOIC
I
Commercial, Industrial and Automotive
Temperature Ranges
Doc. No. 25084-00 12/98
DOUT
ACK
SENSE AMPS
SHIFT REGISTERS
CONTROL
LOGIC
WORD ADDRESS
BUFFERS
START/STOP
LOGIC
E
2
PROM
VCC
COLUMN
DECODERS
XDEC
DATA IN STORAGE
HIGH VOLTAGE/
TIMING CONTROL
VSS
WP
SDA
RESET Controller
High
Precision
Vcc Monitor
STATE COUNTERS
SLAVE
ADDRESS
COMPARATORS
SCL
WDI RESET/
RESET
WATCHDOG
WDI
VCC
RESET
SCL
SDA
RESET
WP
VSS
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 24C64_1 | 制造商:ESTEK 制造商全稱:ESTEK 功能描述:available in space-saving 8-lead PDIP, 8-lead SOP, and 8-lead TSSOP packages |
| 24C640-EP | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:64K SPI Bus Serial EEPROM |
| 24C640-ESN | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:64K SPI Bus Serial EEPROM |
| 24C640-EST | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:64K SPI Bus Serial EEPROM |
| 24C640-IP | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:64K SPI Bus Serial EEPROM |
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