iC-LNB 18-BIT OPTO ENCODER
WITH SPI AND SER/PAR INTERFACES
Rev A1, Page 14/35
OPERATING CONDITIONS: SPI Interface
Operating conditions: VDDA = 4 V to 5.5 V, VDD = 3 V to 5.5 V, GNDA = GND, Tj = -40 °C to 125 °C, unless otherwise specified.
Item Symbol
No.
Parameter
Conditions
Unit
Min.
Max.
I001 TSCK
I002 tCS
Permissible Clock Period
see Elec. Char. No.: A05
1/fin()
Setup Time:
50
ns
CS hi before SCK hi → lo
I003 tp1
I004 tIS
I005 tSI
I006 tp2
I007 tCC
Propagation Delay:
Elec. Char. No.: A13
MISO hi after CS hi → lo
Setup Time:
MOSI stable before SCK lo → hi
Hold Time:
MOSI stable after SCK lo → hi
Propagation Delay:
MISO stable after clock edge SCK
50
ns
ns
50
Elec. Char. No.: A14
500
Wait Time:
ns
between CS hi → lo and CS lo → hi
CS
SCK
tIS
tSI
TSCK
tCS
tCC
MOSI
MISO
tp2
tp1
Figure 2: SPI timing
ICHAUS [ IC-HAUS GMBH ]
