
17
INDUSTRIAL TEMPERATURE RANGE
NW6005 ENHANCED TYPE II CALLER ID DECODER
AC TIMING CHARACTERISTICS
Power Up/Down and FSK Detection
Parameter
Description
Min
Typ
Max
Units
Test Conditions
t1
Power Up Time
50
ms
t2
Power Down Time
1
ms
t3
Input FSK to CD low delay
25
ms
t4
Input FSK to CD high delay
10
ms
t5
Hysteresis
10
ms
Dual Tone Alert Signal
Parameter
Description
Min
Typ
Max
Units
Test Conditions
t6
Alert Signal Present Detect Time
4
14
ms
t7
Alert Signal Absent Detect Time
0.1
8
ms
Power down is
enabled by
Control Bits
OSCOUT
t1
t2
Figure 14. Power Up/Down Timing
Figure 15. FSK Detection Time
Tip/Ring
CD
FSK Signal
t3
t4
Tip/Ring
or Hybrid
Receive Pair
EST
Alert Signal
t6
t7
Figure 16. Dual Tone Alert Signal Detection Time