CAT1024UE-45TE13 datasheet, PDF

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CAT1024UE-45TE13: DescriptionIC 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8, TSSOP-8, Power Management Circuit; CategoryPower/power management The power supply circuit; File Size188KB，19 Pages; ManufacturerON Semiconductor; Websitehttp://www.onsemi.cn

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CAT1024UE-45TE13 Overview

IC 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8, TSSOP-8, Power Management Circuit

CAT1024UE-45TE13 Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Parts packaging code	SOIC
package instruction	TSSOP,
Contacts	8
Reach Compliance Code	compli
ECCN code	EAR99
Adjustable threshold	NO
Analog Integrated Circuits - Other Types	POWER SUPPLY SUPPORT CIRCUIT
JESD-30 code	R-PDSO-G8
JESD-609 code	e0
length	4.4 mm
Humidity sensitivity level	1
Number of channels	1
Number of functions	1
Number of terminals	8
Maximum operating temperature	125 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	TSSOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	240
Certification status	Not Qualified
Maximum seat height	1.2 mm
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	3 V
Nominal supply voltage (Vsup)	5 V
surface mount	YES
technology	CMOS
Temperature level	AUTOMOTIVE
Terminal surface	TIN LEAD
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	30
width	3 mm
Base Number Matches	1

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CAT1024, CAT1025

Supervisory Circuits with

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

C bus.

The CAT1025 provides a precision V

sense circuit and two open

drain outputs: one (RESET) drives high and the other (RESET) drives

low whenever V

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

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

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 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

= 1 V

400 kHz I

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

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