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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
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CAT24C323/643
Advanced
ABSOLUTE MAXIMUM RATINGS*
COMMENT
Temperature Under Bias....................–55°C to +125°C
Storage Temperature........................ –65°C to +150°C
Voltage on Any Pin with
Respect to Ground(1) ..............–2.0V to +VCC + 2.0V
VCC with Respect to Ground..................–2.0V to +7.0V
Package Power Dissipation
Capability (Ta = 25°C)1.0W.................................1.0W
Stresses above those listed under “Absolute Maximum
Ratings” may cause permanent damage to the device.
These are stress ratings only, and functional operation
of the device at these or any other conditions outside of
those listed in the operational sections of this specifica-
tion is not implied. Exposure to any absolute maximum
rating for extended periods may affect device perfor-
mance and reliability.
Lead Soldering Temperature (10 secs)...............300°C
Output Short Circuit Current(2) ..........................100mA
RELIABILITY CHARACTERISTICS
Symbol
Parameter
Min.
Max. Units
Reference Test Method
NEND(3)
TDR(3)
VZAP(3)
ILTH(3)(4)
Endurance
Data Retention
ESD Susceptibility
Latch-up
1,000,000
100
2000
100
D.C. OPERATING CHARACTERISTICS
VCC = +2.7V to +6.0V, unless otherwise specified.
Symbol Parameter
Min.
Cycles/Byte
Years
Volts
mA
Limits
Typ. Max.
MIL-STD-883, Test Method 1033
MIL-STD-883, Test Method 1008
MIL-STD-883, Test Method 3015
JEDEC Standard 17
Units
Test Conditions
ICC
Power Supply Current
Isb
Standby Current
3
mA
fSCL = 100 KHz
40
µA
Vcc=3.3V
50
µA
Vcc=5
ILI
ILO
VIL
VIH
VOL
Input Leakage Current
Output Leakage Current
Input Low Voltage
Input High Voltage
Output Low Voltage (SDA)
–1
VCC x 0.7
2
µA
10
µA
VCC x 0.3 V
VCC + 0.5 V
0.4
V
VIN=GND or VCC
VIN=GND or VCC
IOL = 3 mA, VCC = 3.0V
CAPACITANCE TA = 25°C, f = 1.0 MHz, VCC = 5V
Symbol Test
Max.
Units
Conditions
CI/O(3)
Input/Output Capacitance (SDA)
8
pF
VI/O = 0V
CIN(3)
Input Capacitance (SCL)
6
pF
VIN = 0V
Note:
(1) The minimum DC input voltage is –0.5V. During transitions, inputs may undershoot to –2.0V for periods of less than 20 ns. Maximum DC
voltage on output pins is VCC +0.5V, which may overshoot to VCC + 2.0V for periods of less than 20ns.
(2) Output shorted for no more than one second. No more than one output shorted at a time.
(3) This parameter is tested initially and after a design or process change that affects the parameter.
(4) Latch-up protection is provided for stresses up to 100 mA on address and data pins from –1V to VCC +1V.
Doc. No. 25084-00 12/98
2
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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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