w91030b Winbond Electronics Corp America, w91030b Datasheet - Page 18

• Manufacturer Part Number: w91030b
• Description: Calling Line Identifier
• Manufacturer: Winbond Electronics Corp America

Note: The minimal delay from FSKE high to FCDN high is t
elapsed.
Tip/Ring
ALGR
Tip/Ring
FSKE
FCDN
SLEEP
OSCO
DATA
DCLK
Figure 8-3. FSK Detection Enable and FSK Carrier Detect Present and Absent Timing
V
HM
= 0.7 V
Note
t
FSKE
DD
, V
t
CP
Figure 8-2. Alert Signal Present and Absent Detect Timing
CT
t
t
DP
WAKE
= 0.5 V
Analog FSK Signal
Alerting Signal
Figure 8-4. Data and DCLK Mode 0 Ouput Timing
Figure 8-1. Wake up and Sleep Down Timing
DD
t
R
, V
LM
= 0.3 V
t
CL
DD
t
DCD
t
FSKE
DA
t
CA
- 18 -
+ t
CP
, if the analog FSK signal is present before t
t
R
t
CDD
t
CH
t
Preliminary W91030B
t
CP
DP
Alerting Signal
Analog FSK Signal
t
F
t
SLP
t
F
t
DA
V
V
V
V
V
V
CT
LM
t
HM
HM
CT
LM
CA
FSKE
has