Datasheet

DS_1x66B_001 73M1866B/73M1966B Data Sheet
Rev. 1.6 19
3.3.2 PCM Highway Interface
Table 11: Switching Characteristics – PCM Interface (Slave Mode)
Parameter
Symbol
Min
Typ
Max
Unit
PCLK_IN cycle time t
pcy
122
–
3906 ns
PCLK_IN rise time t
pcr
–
–
25 ns
PCLK_IN fall time t
pcf
–
–
25 ns
FS setup time t
ifs
25
–
–
ns
FS hold time t
ifh
20
–
–
ns
FS cycle time t
ifc
– 125
–
μs
DR setup time t
ids
25
–
–
ns
DR hold time t
idh
20
–
–
ns
DX turn on delay t
odd
–
–
20 ns
DX turn off delay t
odo
–
–
20 ns
DX hold time t
odh
–
–
20 ns
Table 12: Switching Characteristics – PCM Interface (Master Mode)
Parameter
Symbol
Min
Typ
Max
Unit
PCLK_OUT cycle time
t
pcy
–
488
–
ns
PCLK_OUT rise time t
pcr
–
–
25 ns
PCLK_OUT fall time t
pcf
–
–
25 ns
FS setup time t
ifs
50
–
–
ns
FS hold time t
ifh
50
–
–
ns
FS cycle time t
ifc
– 125
–
μs
DR setup time t
ids
25
–
–
ns
DR hold time t
idh
20
–
–
ns
DX turn on delay
t
odd
–
–
20
ns
DX turn off delay
t
odo
–
–
20
ns
DX hold time t
odh
–
–
20 ns
FS
PCLK
DR
DX
t
ifs
t
pcy
t
ids
t
idh
t
ird
t
odd
t
odo
t
ifh
t
ifc
t
odh
Figure 8: PCM Timing Diagram for Positive Edge Transmit Mode and Negative Edge Receive Mode