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CAT24C323J-30TE13 View Datasheet(PDF) - Catalyst Semiconductor => Onsemi

Part NameCAT24C323J-30TE13 Catalyst
Catalyst Semiconductor => Onsemi Catalyst
DescriptionSupervisory circuits with I2C serial CMOS E2EPROM, precision reset controller and watchdog timer
CAT24C323J-30TE13 Datasheet PDF : 12 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
Advanced
CAT24C323(32K), CAT24C643 (64K)
Supervisory Circuits with I2C Serial CMOS E2PROM, Precision Reset Controller and Watchdog Timer
FEATURES
s Watchdog Timer Input (WDI)
s Programmable Reset Threshold
s 400 KHz I2C Bus Compatible
s 2.7 to 6 Volt Operation
s Low Power CMOS Technology
s 32 - Byte Page Write Buffer
s Built-in inadvertent write protection
— VCC Lock Out
DESCRIPTION
s Active High or Low Reset Outputs
— Precision Power Supply Voltage Monitoring
— 5V, 3.3V and 3V options
s 1,000,000 Program/Erase Cycles
s 100 Year Data Retention
s 8-Pin DIP or 8-Pin SOIC
s Commercial, Industrial and Automotive
Temperature Ranges
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 I2C 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 CONFIGURATION
24C323/643*
WDI
RESET
WP
VSS
VCC
RESET
SCL
SDA
BLOCK DIAGRAM
EXTERNAL LOAD
VCC
VSS
DOUT
ACK
WORD ADDRESS
BUFFERS
SENSE AMPS
SHIFT REGISTERS
COLUMN
DECODERS
*All products offered in P and J packages
PIN FUNCITONS
Pin Name
Function
SDA
Serial Data/Address
RESET/RESET Reset I/O
SCL
Clock Input
Vcc
Power Supply
VSS
Ground
WDI
Watchdog Timer Input
WP
Write Protect
SDA
WP
START/STOP
LOGIC
CONTROL
LOGIC
XDEC
E2PROM
RESET Controller
High
Precision
WATCHDOG
Vcc Monitor
DATA IN STORAGE
HIGH VOLTAGE/
TIMING CONTROL
STATE COUNTERS
SLAVE
ADDRESS
COMPARATORS
SCL
© 1998 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
WDI RESET/RESET
1
Doc. No. 25084-00 12/98
Direct download click here
 

CAT24C323(32K), CAT24C643 (64K)

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
2C Serial CMOS EEPROM Catalyst advanced CMOS technology substantially reduces 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 system during brown out and power up/down conditions.During system failure the watchdog timer feature protects 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).

FEATURES
■Watchdog Timer Input (WDI)
■ Programmable Reset Threshold
■ 400 KHz I2C Bus Compatible
■ 2.7 to 6 Volt Operation
■ Low Power CMOS Technology
■ 32 - Byte Page Write Buffer
■Built-in inadvertent write protection
— VCC Lock Out
■  Active High or Low Reset Outputs
— Precision Power Supply Voltage Monitoring
—  5V, 3.3V and 3V options
■ 1,000,000 Program/Erase Cycles
■ 100 Year Data Retention
■8-Pin DIP or 8-Pin SOIC
■Commercial, Industrial and Automotive Temperature Ranges

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