AK1599V Datasheet, PDF (13/41 Pages) Asahi Kasei Microsystems – RF Transmitter for Satellite Communication

[AK1599V]
2. Serial Interface Timing
<Write-In Timing>
Tcsu
LE
(Input)
CLK
(Input)
DATA
(Input)
Tsu Thd
D19
D18
Tch Tcl
Tlesu ^Tle
D0
A3
A2
A1
A0
Fig.3 Serial Interface Timing (Write-In)
<Read-Back Timing>
LE
(Input)
CLK
(Input)
DATA
(Input)
DATAO
(output)
Tcsu
Tch Tcl
Tlesu Tle
Tsu Thd
D19
D18
D0
A3
A2
A1
A0
Set arbitrary address
number to be read back
Set Address0x06 to read back
tDD
D19
D18
D17
Extra 1 CLK is needed
after D0 bit is read back
D1
D0
Fig.4 Serial Interface Timing (Read-Back)
PDN
tpdn
VIH
VIL
Fig.5 Power Down Pin Timing
Table8. Digital AC Characteristics
Parameter
Symbol Condition Min. Typ. Max. Unit Remarks
Clock L level hold time
Tcl
25
ns
Clock H level hold time
Tch
25
ns
Clock setup time
Tcsu
10
ns
Data setup time
Tsu
10
ns
Data hold time
Thd
10
ns
LE setup time
Tlesu
10
ns
LE pulse width
Tle
25
ns
CLK to DATAO output delay time tDD
15pF
Load
20 ns
PDN pin “L” level hold time
tpdn
1
s
Be sure to input CLK when LE pin = “L” otherwise AK1599V is going to malfunction.
015006835-E-00
- 13 -
2015/5