IC-LNB_16 Datasheet, PDF (14/37 Pages) IC-Haus GmbH – 18-BIT OPTO ENCODER

iC-LNB 18-BIT OPTO ENCODER ^preliminary
WITH SPI AND SER/PAR INTERFACES
Rev B2, Page 14/37
OPERATING REQUIREMENTS: 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 Parameter
No.
Conditions
Min.
Unit
Max.
I001 T_SCK
I002 t_CS
Permissible Clock Period
Setup Time:
CS hi before SCK lo → hi
see Elec. Char. No.: A05
1/fin()
50
ns
I003 tp1
Propagation Delay:
MISO hi after CS hi → lo
Elec. Char. No.: A13
I004 t_IS
Setup Time:
MOSI stable before SCK lo → hi
50
ns
I005 t_SI
Hold Time:
MOSI stable after SCK lo → hi
50
ns
I006 tp2
Propagation Delay:
MISO stable after clock edge SCK
Elec. Char. No.: A14
I007 t_CC
Wait Time:
between CS hi → lo and CS lo → hi
500
ns
CS
SCK
MOSI
MISO
t_CS
t_IS
t_SI
T_SCK
tp2
Figure 2: SPI interface timing
t_CC
tp1