X9401 Datasheet, PDF (14/20 Pages) Intersil Corporation – Low Noise/Low Power/SPI Bus

SYMBOL TABLE
WAVEFORM INPUTS
OUTPUTS
Must be
steady
May change
from Low to
High
May change
from High to
Low
Don’t Care:
Changes
Allowed
N/A
Will be
steady
Will change
from Low to
High
Will change
from High to
Low
Changing:
State Not
Known
Center Line
is High
Impedance
TIMING DIAGRAMS
Input Timing
CS
SCK
SI
t_LEAD
t_SU
t_H
t_WL
MSB
SO
High Impedance
Output Timing
CS
SCK
SO
SI ^ADDR
t_V
MSB
X9401
t_CYC
...
t_WH
t_FI
...
t_CS
t_RI
LSB
t_LAG
...
t_HO
...
t_DIS
LSB
14
FN8190.2
September 23, 2005