W91031SG Nuvoton Technology Corporation of America, W91031SG Datasheet - Page 19

• Manufacturer Part Number: W91031SG
• Description: IC CALL LINE IDENT 24-SOIC
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W91031SG

• Function: Caller ID Device
• Interface: FSK
• Number Of Circuits: 1
• Voltage - Supply: 3 V ~ 5 V
• Current - Supply: 2.5mA
• Operating Temperature: 0°C ~ 75°C
• Mounting Type: Surface Mount
• Package / Case: *
• Includes: FSK Demodulator, Line Reversal Detector, Ring Detector
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power (watts): -

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
t
Note
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