w91031 Winbond Electronics Corp America, w91031 Datasheet - Page 19

• Manufacturer Part Number: w91031
• Description: Calling Line Identifier
• Manufacturer: Winbond Electronics Corp America

Note: The minimal delay from FSKE low to ALGR high is t
Note: The minimal delay from FSKE high to FCDN high is t
elapsed.
Tip/Ring
FSKE
FCDN
SLEEP
OSCO
Tip/Ring
FSKE
ALGR
Figure 8-3. FSK Detection Enable and FSK Carrier Detect Present and Absent Timing
Figure 8-2. Alert Detection Enable and Alert Signal Present and Absent Detect Timing
Note
t
FSKE
Note
t
t
CP
ALTE
t
WAKE
t
Analog FSK Signal
DP
Alerting Signal
Figure 8-1. Wake up and Sleep Down Timing
ALTE
FSKE
t
t
DA
CA
+ t
- 19 -
+ t
DP
, if the alerting signal is present before t
CP
, if the analog FSK signal is present before t
t
CP
t
DP
Alerting Signal
Publication Release Date: August 2000
Preliminary W91031
Analog FSK Signal
t
SLP
t
DA
ALTE
t
CA
has elapsed.
FSKE
has
Revision A1