AK1545 Datasheet, PDF (8/39 Pages) Asahi Kasei Microsystems – 3.5GHz Low Noise Integer-N Frequency Synthesizer

[AK1545]
2. Serial Interface Timing
<Write-In Timing>
LE
(Input)
CLK
(Input)
DATA
(Input)
Tcsu
Tsu Thd
D18
Tch Tcl
Tlesu ^Tle
D2
D1
D0
A1
A0
Fig. 3 Serial Interface Timing Chart
Parameter
Clock L level hold time
Clock H level hold time
Clock setup time
Data setup time
Data hold time
LE setup time
LE pulse width
Table 5 Serial Interface Timing
Symbol Min.
Typ.
Max. Unit
Tcl
25
ns
Tch
25
ns
Tcsu
10
ns
Tsu
10
ns
Thd
10
ns
Tlesu
10
ns
Tle
20
ns
Remarks
MS1471-E-00
8
2012/10