MT88E39 Просмотр технического описания (PDF) - Mitel Networks

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производитель

MT88E39

Calling Number Identification Circuit

Mitel Networks 

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tR

tDCD

tCDD

tF

DATA

MT88E39

DCLK

TIP/RING

PWDN

tCL

tCH

tF

tR

Figure 8 - DATA and DCLK Output Timing (Mode 0)

tFF

tRR

DR

tRL

2 sec

Figure 9 - DR Output Timing (Mode 0)

channel seizure Mark state

checksum

First Ring

500ms

(min)

Input FSK

Data

200ms

(min)

Second

Ring

OSC2

CD *

DATA

tPU

tIAL

High (Input Idle)

tPD

tIAH

High (Input Idle)

DCLK

(mode 0)

DR *

* with pull-up resistor in mode 0

Figure 10 - Input and Output Timing (Bellcore CND Service)

5-11

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