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CAT1023PA-30

Description
IC 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDIP8, PLASTIC, DIP-8, Power Management Circuit
CategoryPower/power management    The power supply circuit   
File Size203KB,21 Pages
ManufacturerON Semiconductor
Websitehttp://www.onsemi.cn
Download Datasheet Parametric View All

CAT1023PA-30 Overview

IC 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDIP8, PLASTIC, DIP-8, Power Management Circuit

CAT1023PA-30 Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerON Semiconductor
Parts packaging codeDIP
package instructionPLASTIC, DIP-8
Contacts8
Reach Compliance Codecompliant
ECCN codeEAR99
Adjustable thresholdNO
Analog Integrated Circuits - Other TypesPOWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 codeR-PDIP-T8
JESD-609 codee0
length13.87 mm
Number of channels1
Number of functions1
Number of terminals8
Maximum operating temperature105 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeDIP
Package shapeRECTANGULAR
Package formIN-LINE
Peak Reflow Temperature (Celsius)240
Certification statusNot Qualified
Maximum seat height4.57 mm
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)2.7 V
Nominal supply voltage (Vsup)3.3 V
surface mountNO
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceTIN LEAD
Terminal formTHROUGH-HOLE
Terminal pitch2.54 mm
Terminal locationDUAL
Maximum time at peak reflow temperature30
width7.62 mm
CAT1021, CAT1022, CAT1023
Supervisory Circuits with I
2
C Serial 2k-bit CMOS
EEPROM, Manual Reset and Watchdog Timer
FEATURES
Precision Power Supply Voltage Monitor
— 5 V, 3.3 V and 3 V systems
— Five threshold voltage options
Watchdog Timer
Active High or Low Reset
— Valid reset guaranteed at V
CC
= 1 V
400 kHz I
2
C Bus
2.7 V to 5.5 V Operation
Low power CMOS technology
16-Byte Page Write Buffer
Built-in inadvertent write protection
— WP pin (CAT1021)
1,000,000 Program/Erase cycles
Manual Reset Input
100 year data retention
Industrial and extended temperature ranges
8-pin DIP, SOIC, TSSOP, MSOP or TDFN
(3 x 3 mm foot-print) packages
— TDFN max height is 0.8 mm
DESCRIPTION
The CAT1021, CAT1022 and CAT1023 are complete
memory and supervisory solutions for microcontroller-
based systems. A 2k-bit serial EEPROM memory and a
system power supervisor with brown-out protection are
integrated together in low power CMOS technology.
Memory interface is via a 400 kHz I
2
C bus.
The CAT1021 and CAT1023 provide a precision V
CC
sense circuit and two open drain outputs: one (RESET)
¯¯¯¯¯¯
drives high and the other (RESET) drives low whenever
V
CC
falls below the reset threshold voltage. The
¯¯¯¯¯¯
CAT1022 has only a RESET output and does not have
a Write Protect input. The CAT1021 also has a Write
Protect input (WP). Write operations are disabled if WP
is connected to a logic high.
All supervisors have a 1.6 second watchdog timer circuit
that resets a system to a known state if software or a
hardware glitch halts or “hangs” the system. For the
CAT1021 and CAT1022, the watchdog timer monitors
the SDA signal. The CAT1023 has a separate watchdog
timer interrupt input pin, WDI.
The power supply monitor and reset circuit protect
memory and system controllers during power up/down
and against brownout conditions. Five reset threshold
voltages support 5 V, 3.3 V and 3 V systems. If power
supply voltages are out of tolerance reset signals
become active, preventing the system microcontroller,
ASIC or peripherals from operating. Reset signals
become inactive typically 200 ms after the supply voltage
exceeds the reset threshold level. With both active high
and low reset signals, interface to microcontrollers and
¯¯¯¯¯¯
other ICs is simple. In addition, the RESET pin or a
separate input, ¯¯¯, can be used as an input for push-
MR
button manual reset capability.
The on-chip, 2k-bit EEPROM memory features a 16-byte
page. In addition, hardware data protection is provided
by a V
CC
sense circuit that prevents writes to memory
whenever V
CC
falls below the reset threshold or until V
CC
reaches the reset threshold during power up.
Available packages include an 8-pin DIP and surface
mount 8-pin SO, 8-pin TSSOP, 8-pin TDFN and 8-pin
MSOP packages. The TDFN package thickness is
0.8mm maximum. TDFN footprint options are 3 x 3mm.
For Ordering Information details, see page 19.
© 2009 SCILLC. All rights reserved.
Characteristics subject to change without notice
1
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