TC7129 View Datasheet(PDF) - TelCom Semiconductor Inc => Microchip

Part Name

Description

Manufacturer

TC7129

4-1/2 DIGIT ANALOG-TO-DIGITAL CONVERTER WITH ON-CHIP LCD DRIVERS

TelCom Semiconductor Inc => Microchip 

TC7129

OSC1

OSC2

OSC3

4-1/2 DIGIT ANALOG-TO-DIGITAL

CONVERTER WITH ON-CHIP LCD DRIVERS

LOW BATTERY

CONTINUITY

SEGMENT DRIVES

BACKPLANE

DRIVES

ANNUNCIATOR

DRIVE

LATCH, DECODE DISPLAY MULTIPLEXER

VDISP

UP/DOWN RESULTS COUNTER

SEQUENCE COUNTER/DECODER

CONTROL LOGIC

RANGE

L/H

CONT

V+

V–

DGND

TC7129

ANALOG SECTION

DP1

DP2

UR/DP3

OR/DP4

REF HI

REF LO

INT OUT

INT IN

3-242

COMMON

IN IN

HI LO

BUFF

Figure 12. Functional Block Diagram

TELCOM SEMICONDUCTOR, INC.

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