CAT1161LI-45-G datasheet, PDF - EEWORLD Datasheet

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CAT1161LI-45-G: DescriptionPower Supply Management Circuit, Fixed, 1 Channel, CMOS, PDIP8, 0.300 INCH, ROHS COMPLIANT, PLASTIC, MS-001, DIP-8; CategoryPower/power management The power supply circuit; File Size157KB，13 Pages; ManufacturerCatalyst; Websitehttp://www.catalyst-semiconductor.com/; Environmental Compliance

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CAT1161LI-45-G Overview

Power Supply Management Circuit, Fixed, 1 Channel, CMOS, PDIP8, 0.300 INCH, ROHS COMPLIANT, PLASTIC, MS-001, DIP-8

CAT1161LI-45-G Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	Catalyst
Parts packaging code	DIP
package instruction	DIP,
Contacts	8
Reach Compliance Code	unknown
ECCN code	EAR99
Other features	RESET THRESHOLD VOLTAGES ARE 4.625V; MANUAL RESET INPUT
Adjustable threshold	NO
Analog Integrated Circuits - Other Types	POWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 code	R-PDIP-T8
JESD-609 code	e4
length	9.27 mm
Number of channels	1
Number of functions	1
Number of terminals	8
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	DIP
Package shape	RECTANGULAR
Package form	IN-LINE
Peak Reflow Temperature (Celsius)	260
Certification status	Not Qualified
Maximum seat height	5.33 mm
Maximum supply voltage (Vsup)	6 V
Minimum supply voltage (Vsup)	2.7 V
Nominal supply voltage (Vsup)	3.3 V
surface mount	NO
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	NICKEL PALLADIUM GOLD
Terminal form	THROUGH-HOLE
Terminal pitch	2.54 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	40
width	7.62 mm
Base Number Matches	1

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CAT1161, CAT1162

Supervisory Circuits with

C Serial CMOS EEPROM,

Precision Reset Controller

and Watchdog Timer (16K)

Description

http://onsemi.com

The CAT1161/2 is a complete memory and supervisory solution for

microcontroller−based systems. A serial EEPROM memory (16K)

with hardware memory write protection, a system power supervisor

with brown out protection and a watchdog timer are integrated

together in low power CMOS technology. Memory interface is via an

C bus.

The 1.6−second watchdog circuit returns a system to a known good

state if a software or hardware glitch halts or “hangs” the system. The

CAT1161 watchdog monitors the SDA line, making an additional PC

board trace unnecessary. The lower cost CAT1162 does not have a

watchdog timer.

The power supply monitor and reset circuit protects 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, a reset pin can be used as a

debounced input for pushbutton manual reset capability.

The CAT1161/2 memory features a 16−byte page. In addition,

hardware data protection is provided by a write protect pin WP and by

a V

sense circuit that prevents writes to memory whenever V

falls

below the reset threshold or until V

reaches the reset threshold

during power up.

Available packages include an 8−pin DIP and a surface mount,

8−pin SO package.

Features

PDIP−8

CASE 646AA

SOIC−8

CASE 751BD

PIN CONFIGURATION

RESET

GND

CAT1161

CAT1162

RESET

SCL

SDA

PIN FUNCTIONS

Pin Name

RESET

GND

SDA

SCL

RESET

Function

Do Not Connect

Active Low Reset I/O

Write Protect

Ground

Serial Data/Address

Clock Input

Active High Reset I/O

Power Supply

•

Watchdog Monitors SDA Signal (CAT1161)

400 kHz I

C Bus Compatible

2.7 V to 6 V Operation

Low Power CMOS Technology

16−Byte Page Write Buffer

Built−in Inadvertent Write Protection

♦

Lock Out

♦

Write Protection Pin, WP

•

Active High or Low Reset

♦

Precision Power Supply Voltage Monitor

♦

5 V, 3.3 V and 3 V Systems

♦

Five Threshold Voltage Options

ORDERING INFORMATION

For Ordering Information details, see page 11.

•

1,000,000 Program/Erase Cycles

Manual Reset

100 Year Data Retention

8−Pin DIP or 8−Pin SOIC

Commercial and Industrial Temperature Ranges

These Devices are Pb−Free, Halogen Free/BFR Free

and are RoHS Compliant

Semiconductor Components Industries, LLC, 2012

July, 2012

−

Rev. 12

Publication Order Number:

CAT1161/D

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