Peak & RMS current measurement

Calculated or measured GND current

Power measurement functions option

Internal temperature sensor

Digital temperature compensation

Independent 32-bit compute engine

Two UART ports

Two timers

Hardware watchdog

Internal power fault detector

Real Time Clock (RTC)

Battery backup (RTC, RAM)

8-bit MPU (80515) - 1 clock cycle per

instruction (5Mhz max.)

LCD driver (

≤168 pixels)

5V LCD charge pump

Up to 22 general purpose I/O pins

High speed serial interface (SSI)

I2C EEPROM interface

64KB Flash, 7KB RAM

Flash memory security

30mW @ 3.3V

100-lead LQFP package

CONVERTER

V3.3A

3.3V

V3.3D GNDA GNDD

LCD 5V

BOOST

REGULATOR

VOLTAGE REF

SERIAL PORTS

LCD DRIVER

DIO, PULSE

CLOCK

V2.5

TEMP

SENSOR

COMPUTE

ENGINE

FLASH/ROM

MPU

TIMERS

RTC

ICE

COM0..3

SEG 3..23

SEG 24..27

DIO 4..11

SEG 32..41

DIO 12..21

DIO 4.5

CK38

CK

TX

VREF

VBIAS

RAM

SENSE

DRIVE/MOD

RX

RX

TX

PWR FAULT

RESETZ

71M6403

I0

{ I1I2

CT or

Rogowski

Sensors

I3

I4

I5

3.5V LCD

88.88.8888

Trip Indicators

4040 Counter

19.66MHz

EEPROM

GND

71M6403 Block Diagram

Ordering Information

For immediate technical information and the name of a local representative or distributor,

visit www.teridian.com, send an e-mail to support@teridian.com or call (714) 508-8800.

No responsibility is assumed by Teridian Semiconductor Corporation for use of this product nor for any infringements of patents and trade-

marks or other rights of third parties resulting from its use. No license is granted under any patents, patent rights or trademarks of Teridian

Semiconductor Corporation, and the company reserves the right to make changes in specifications at any time without notice. Accordingly,

the reader is cautioned to verify that the data sheet is current before placing orders.

© 2006 Teridian Semiconductor Corporation

6/06 - rev 1.0

6440 Oak Canyon, Irvine, CA 92618-5201

714-508-8800 (Tel)

714-508-8878 (Fax)

PART DESCRIPTION

ORDERING NUMBER

PACKAGE MARKING

71M6403

Electronic Trip Unit, 100-pin LQFP

71M6403-IGT

71M6403-IGT

71M6403

Electronic Trip Unit, 100-pin LQFP, Lead Free

71M6403-IGT/F

71M6403-IGTF