CMX994 Datasheet, PDF (59/61 Pages) CML Microcircuits – Local Oscillator

Direct Conversion Receivers
AC Parameters – C-BUS
C-BUS Timings (See Figure 30)
tCSE
CSN-enable to clock-high time
tCSH
Last clock-high to CSN-high time
tLOZ
Clock-low to reply output enable time
tHIZ
CSN-high to reply output 3-state time
tCSOFF
CSN-high time between transactions
tNXT
Inter-byte time
tCK
Clock-cycle time
tCH
Serial clock-high time
tCL
Serial clock-low time
tCDS
Command data set-up time
tCDH
Command data hold time
tRDS
Reply data set-up time
tRDH
Reply data hold time
Notes Min.
100
100
0.0
–
1.0
200
200
100
100
75.0
25.0
50.0
0.0
CMX994/CMX994A/CMX994E
Typ.
Max. Units
–
–
ns
–
–
ns
–
–
ns
–
1.0
µs
–
–
µs
–
–
ns
–
–
ns
–
–
ns
–
–
ns
–
–
ns
–
–
ns
–
–
ns
–
–
ns
Maximum 30pF load on each C-BUS interface line.
Figure 30 C-BUS Timing
 2015 CML Microsystems Plc
Page 59 of 70
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