UPC7073 查看數據表（PDF） - NEC => Renesas Technology

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UPC7073

µPC7073 ANALOG SUBSCRIBER LINE LSI (BS-SLIC)

NEC => Renesas Technology 

µPC7073

BLOCK DIAGRAM

Tip

Ring

V BB

GND1 VCC GND2

TEF

TB

TE

RY1 RY2 RY3

Relay

drivers

Σ

TS

+

RS

+

L.P.F

+

RE

Bias circuit

RB

REF

VBB

Logic circuits

RC 1

RC 2

RC 3

DC OUT2

AGDT

ASCN

DCOUT3

DC OUT1

TX

DC IN1

DC IN2

CDC

RX

BIAS

ACOM

BB OUT

CPSR

3

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