W91031 View Datasheet(PDF) - Winbond

Part Name

Description

Manufacturer

W91031

CALLING LINE IDENTIFIER

Winbond 

Preliminary W91031

SLEEP

OSCO

tWAKE

t SLP

Figure 8-1. Wake up and Sleep Down Timing

Tip/Ring

FSKE

ALGR

Alerting Signal

t ALTE

Note

t DP

tDA

Alerting Signal

tDA

t DP

Figure 8-2. Alert Detection Enable and Alert Signal Present and Absent Detect Timing

Note: The minimal delay from FSKE low to ALGR high is tALTE + tDP, if the alerting signal is present before tALTE has elapsed.

Tip/Ring

FSKE

FCDN

t FSKE

Analog FSK Signal

Note

t CA

t CP

Analog FSK Signal

tCP

tCA

Figure 8-3. FSK Detection Enable and FSK Carrier Detect Present and Absent Timing

Note: The minimal delay from FSKE high to FCDN high is tFSKE + tCP, if the analog FSK signal is present before tFSKE has

elapsed.

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Publication Release Date: August 2000

Revision A1

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