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CAT1640YI-42

Description
1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8, HALOGEN FREE AND LEAD FREE, MO-153-AA, TSSOP-8
CategoryPower/power management    The power supply circuit   
File Size176KB,18 Pages
ManufacturerON Semiconductor
Websitehttp://www.onsemi.cn
Environmental Compliance  
Download Datasheet Parametric View All

CAT1640YI-42 Overview

1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8, HALOGEN FREE AND LEAD FREE, MO-153-AA, TSSOP-8

CAT1640YI-42 Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerON Semiconductor
Parts packaging codeTSSOP
package instructionHALOGEN FREE AND LEAD FREE, MO-153-AA, TSSOP-8
Contacts8
Reach Compliance Codecompliant
Adjustable thresholdNO
Analog Integrated Circuits - Other TypesPOWER SUPPLY SUPPORT CIRCUIT
JESD-30 codeR-PDSO-G8
JESD-609 codee3
length4.4 mm
Humidity sensitivity level1
Number of channels1
Number of functions1
Number of terminals8
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeTSSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)260
Certification statusNot Qualified
Maximum seat height1.2 mm
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)3 V
Nominal supply voltage (Vsup)5 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceMATTE TIN
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
Maximum time at peak reflow temperature40
width3 mm
CAT1640, CAT1641
Supervisory Circuits with
I
2
C Serial 64K CMOS
EEPROM
Description
The CAT1640 and CAT1641 are complete memory and supervisory
solutions for microcontroller−based systems. A 64 kbit 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 CAT1640 provides a precision V
CC
sense circuit and drives an
open drain output, RESET low whenever V
CC
falls below the reset
threshold voltage.
The CAT1641 provides a precision VCC sense circuit that drives an
open drain output, RESET high whenever V
CC
falls below the reset
threshold voltage.
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 options, interface to microcontrollers
and other ICs is simple. In addition, the RESET (CAT1640) pin can be
used as an input for push−button manual reset capability.
The CAT1640/41 memory features a 64−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, SOIC, TSSOP and
4.9 x 3 mm TDFN.
Features
http://onsemi.com
PDIP−8
CASE 646AA
TSSOP−8
CASE 948S
SOIC−8
CASE 751BD
TDFN−8
CASE 511AM
ORDERING INFORMATION
For Ordering Information details, see page 13.
Precision Power Supply Voltage Monitor
5 V, 3.3 V and 3 V Systems
S
+5.0 V (±5%,
±10%)
S
+3.3 V (±5%,
±10%)
S
+3.0 V (±10%)
Active Low Reset, CAT1640
Active High Reset, CAT1641
Valid Reset Guaranteed at V
CC
= 1 V
400 kHz I
2
C Bus
3.0 V to 5.5 V Operation
Low Power CMOS Technology
64−Byte Page Write Buffer
1,000,000 Program/Erase Cycles
100 Year Data Retention
8−pin DIP, SOIC, TSSOP and TDFN Packages
Industrial Temperature Range
These Devices are Pb−Free, Halogen Free/BFR Free
and are RoHS Compliant
©
Semiconductor Components Industries, LLC, 2011
November, 2011
Rev. 5
1
Publication Order Number:
CAT1640/D
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Datasheet   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
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