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CAT1024RD4A-42TE13

Description
1-CHANNEL POWER SUPPLY SUPPORT CKT, DSO8, 3 X 3 MM, 0.80 MM HEIGHT, MO-229, TDFN -8
CategoryPower/power management    The power supply circuit   
File Size188KB,19 Pages
ManufacturerON Semiconductor
Websitehttp://www.onsemi.cn
Download Datasheet Parametric View All

CAT1024RD4A-42TE13 Overview

1-CHANNEL POWER SUPPLY SUPPORT CKT, DSO8, 3 X 3 MM, 0.80 MM HEIGHT, MO-229, TDFN -8

CAT1024RD4A-42TE13 Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
Parts packaging codeSON
package instructionVSON,
Contacts8
Reach Compliance Codecompli
ECCN codeEAR99
Adjustable thresholdNO
Analog Integrated Circuits - Other TypesPOWER SUPPLY SUPPORT CIRCUIT
JESD-30 codeS-XDSO-N8
JESD-609 codee0
length3 mm
Humidity sensitivity level1
Number of channels1
Number of functions1
Number of terminals8
Maximum operating temperature105 °C
Minimum operating temperature-40 °C
Package body materialUNSPECIFIED
encapsulated codeVSON
Package shapeSQUARE
Package formSMALL OUTLINE, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)240
Certification statusNot Qualified
Maximum seat height0.8 mm
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)2.7 V
Nominal supply voltage (Vsup)5 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceTIN LEAD
Terminal formNO LEAD
Terminal pitch0.65 mm
Terminal locationDUAL
Maximum time at peak reflow temperature30
width3 mm
Base Number Matches1
CAT1024, CAT1025
Supervisory Circuits with
I
2
C Serial 2k-bit CMOS
EEPROM and Manual Reset
Description
The CAT1024 and CAT1025 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 CAT1025 provides 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
CAT1025 also has a Write Protect input (WP). Write operations are
disabled if WP is connected to a logic high.
The CAT1024 also provides a precision V
CC
sense circuit, but has
only a RESET output and does not have a Write Protect input.
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 CAT1024 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,
MR, can be used as an input for push−button manual reset capability.
The CAT1024/25 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 a 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 is
3 x 3 mm.
Features
http://onsemi.com
PDIP−8
CASE 646AA
TSSOP−8
CASE 948S
SOIC−8
CASE 751BD
MSOP−8
CASE 846AD
TDFN−8
CASE 511AL
ORDERING INFORMATION
For Ordering Information details, see page 13.
Precision Power Supply Voltage Monitor
5 V, 3.3 V and 3 V Systems
Five Threshold Voltage Options
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 (CAT1025)
1,000,000 Program/Erase Cycles
Manual Reset Input
100 Year Data Retention
Industrial and Extended Temperature Ranges
Green Packages Available with NiPdAu Lead Finished
These Devices are Pb−Free, Halogen Free/BFR Free
and are RoHS Compliant
Publication Order Number:
CAT1024/D
©
Semiconductor Components Industries, LLC, 2011
November, 2011
Rev. 20
1
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