MT9079
AC Electrical Characteristics - PCM 30 Transmit Timing
Characteristic
Sym
Min
Typ
Max Units
Conditions/Notes
1
2
Transmit Delay
Transmit Delay RZ
tTDN
tTDR
75
75
ns
ns
150pF
150pF
Transmit
PCM 30
Data
Bit Cell
C2i
C4i
VTT
VTT
tTDR
tTDR
TxA and TxB
for RZ
VTT, VCT
tTDN
TxA and TxB
for NRZ and
NRZB
VTT, VCT
Figure 28 - PCM 30 Transmit Timing
AC Electrical Characteristics - PCM 30 Receive Timing
Characteristic
Sym
Min
Typ
Max Units
Conditions/Notes
1
2
3
E2i Clock Pulse Width High or Low
Receive Setup Time
tCPW
tRS
50
10
10
438
ns
ns
ns
E2i clock period = 488nsec
Receive Hold Time
tRH
Receive
PCM 30
Data
Bit Cell
tCPW
tCPW
VTT
E2i
tRH
tRS
VTT, VCT
RxA and RxB
Figure 29 - PCM 30 Receive Timing
4-288