CAT1023ZD4I-25TE13 datasheet, PDF

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CAT1023ZD4I-25TE13: Description1-CHANNEL POWER SUPPLY MANAGEMENT CKT, DSO8; CategoryPower/power management The power supply circuit; File Size147KB，20 Pages; ManufacturerCatalyst; Websitehttp://www.catalyst-semiconductor.com/; Environmental Compliance

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CAT1023ZD4I-25TE13 Overview

1-CHANNEL POWER SUPPLY MANAGEMENT CKT, DSO8

CAT1023ZD4I-25TE13 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Parts packaging code	SON
package instruction	HVSON, SOLCC8,.12,25
Contacts	8
Reach Compliance Code	unknow
ECCN code	EAR99
Adjustable threshold	NO
Analog Integrated Circuits - Other Types	POWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 code	S-XDSO-N8
JESD-609 code	e3
length	3 mm
Humidity sensitivity level	1
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	UNSPECIFIED
encapsulated code	HVSON
Encapsulate equivalent code	SOLCC8,.12,25
Package shape	SQUARE
Package form	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)	260
power supply	3.3/5 V
Certification status	Not Qualified
Maximum seat height	0.8 mm
Maximum supply current (Isup)	3 mA
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	3 V
Nominal supply voltage (Vsup)	3 V
surface mount	YES
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	MATTE TIN
Terminal form	NO LEAD
Terminal pitch	0.65 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	40
width	3 mm
Base Number Matches	1

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CAT1021, CAT1022, CAT1023

Supervisory Circuits with I

C Serial 2k-bit CMOS EEPROM, Manual Reset

and Watchdog Timer

FEATURES

■

Precision power supply voltage monitor

■

Built-in inadvertent write protection

GEN

ALO

— 5V, 3.3V and 3V systems

— Five threshold voltage options

■

Watchdog timer

■

Active high or low reset

— WP pin (CAT1021)

■

1,000,000 Program/Erase cycles

■

Manual reset input

■

100 year data retention

■

8-pin DIP, SOIC, TSSOP, MSOP or TDFN

— Valid reset guaranteed at V

= 1 V

■

400kHz I

C bus

■

3.0V to 5.5V operation

■

Low power CMOS technology

■

16-Byte page write buffer

(3 x 3 mm foot-print) packages

— TDFN max height is 0.8mm

■

Industrial and extended temperature ranges

DESCRIPTION

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 brown-out protection are

integrated together in low power CMOS technology.

Memory interface is via a 400kHz I

C bus.

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

5V, 3.3V and 3V 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

The CAT1021 and CAT1023 provide a precision V

supply voltage exceeds the reset threshold level. With both

sense circuit and two open drain outputs: one (RESET) active high and low reset signals, interface to microcontrollers

drives high and the other (RESET) drives low whenever and other ICs is simple. In addition, the

RESET

pin or a

falls below the reset threshold voltage. The CAT1022 separate input,

MR,

can be used as an input for push-button

has only a

RESET

output and does not have a Write manual reset capability.

Protect input. The CAT1021 also has a Write Protect

input (WP). Write operations are disabled if WP is The on-chip, 2k-bit EEPROM memory features a 16-byte

page. In addition, hardware data protection is provided by a

connected to a logic high.

sense circuit that prevents writes to memory whenever

All supervisors have a 1.6 second watchdog timer circuit V

falls below the reset threshold or until V

reaches the

that resets a system to a known state if software or a reset threshold during power up.

hardware glitch halts or “hangs” the system. For the

CAT1021 and CAT1022, the watchdog timer monitors Available packages include an 8-pin DIP, 8-pin SOIC, 8-pin

the SDA signal. The CAT1023 has a separate watchdog TSSOP, 8-pin TDFN and 8-pin MSOP. The TDFN package

timer interrupt input pin, WDI.

thickness is 0.8mm maximum. TDFN footprint options are

3x3mm.

Characteristics subject to change without notice

Doc No. 3009, Rev. K

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