HC-5560_03 Datasheet, PDF (7/10 Pages) Intersil Corporation – PCM Transcoder

Timing Waveforms (Continued)
HC-5560
t_FCL
CLK DEC
10%
1
f_CL
90%
t_RCL
50%
t_S
t_H
A_IN, B_IN
50%
CLOCK
NRZ DATA OUT
50%
t_DD
50%
FIGURE 2. RECEIVER (DECODER) TIMING WAVEFORMS
CLK DEC
RESET AIS
50%
t_H2
50%
t_S2 t_PD5
t_S2
50%
50%
AIS OUTPUT
t_PD4
50%
ERROR OUTPUT
50%
FIGURE 3. RESET AIS INPUT, AIS OUTPUT, ERROR OUTPUT
CLK DEC
RESET AIS
NRZ DATA OUT
AIS
FIGURE 4.
Two consecutive periods of Reset AIS, each containing less than three zeros, sets AIS to a logic ‘1’ and remains in a logic ‘1’ state
until a period of Reset AIS contains three or more zeros.
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