MT8889CC View Datasheet(PDF) - Mitel Networks

Part Name

Description

MFG CO.

MT8889CC

Integrated DTMFTransceiver with Adaptive Micro Interface

Mitel Networks 

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MT8889C/MT8889C-1

ALE*

RD

P0*

(RS0,

D0-D3)

P2 *

(Addr)

CS = ALE.Addr

* microprocessor pins

tCSS

tAS

tAH

A0-A7

tDDR

Data

tDHR

A8-A15 Address

tCSH

Figure 19 - 8031/8051/8085 Read Timing Diagram

ALE*

WR

P0*

(RS0,

D0-D3)

P2 *

(Addr)

CS = ALE.Addr

* microprocessor pins

tCSS

tAS

tAH

A0-A7

tDSW

Data

A8-A15 Address

tCSH

tDHW

Figure 20 - 8031/8051/8085 Write Timing Diagram

4-124

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