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CAT1021JI-30TE13

Description
1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO8, SOIC-8
CategoryPower/power management    The power supply circuit   
File Size193KB,20 Pages
ManufacturerON Semiconductor
Websitehttp://www.onsemi.cn
Download Datasheet Parametric View All

CAT1021JI-30TE13 Overview

1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO8, SOIC-8

CAT1021JI-30TE13 Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerON Semiconductor
Parts packaging codeSOIC
package instructionSOP,
Contacts8
Reach Compliance Codecompliant
ECCN codeEAR99
Adjustable thresholdNO
Analog Integrated Circuits - Other TypesPOWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 codeR-PDSO-G8
JESD-609 codee0
length4.9 mm
Number of channels1
Number of functions1
Number of terminals8
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)240
Certification statusNot Qualified
Maximum seat height1.75 mm
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)3 V
Nominal supply voltage (Vsup)3.3 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceTIN LEAD
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperature30
width3.9 mm
CAT1021, CAT1022,
CAT1023
Supervisory Circuits with
I
2
C Serial 2k-bit CMOS
EEPROM, Manual Reset and
Watchdog Timer
Description
http://onsemi.com
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
PDIP−8
TSSOP−8
brown−out protection are integrated together in low power CMOS
CASE 646AA
CASE 948S
2
C bus.
technology. Memory interface is via a 400 kHz I
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
SOIC−8
Write Protect input. The CAT1021 also has a Write Protect input
CASE 751BD
(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.
MSOP−8
TDFN−8
CASE 846AD
CASE 511AL
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
ORDERING INFORMATION
systems. If power supply voltages are out of tolerance reset signals
become active, preventing the system microcontroller, ASIC or
For Ordering Information details, see page 13.
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,
MR, can be used as an input for push−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 PDIP and surface mount 8−pin SO, 8−pin TSSOP, 8−pin TDFN and 8−pin MSOP
packages. The TDFN package thickness is 0.8 mm maximum. TDFN footprint options are 3 x 3 mm.
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
1
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
These Devices are Pb−Free, Halogen Free/BFR Free
and are RoHS Compliant
Publication Order Number:
CAT1021/D
©
Semiconductor Components Industries, LLC, 2011
November, 2011
Rev. 18
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