X9111
Equivalent A.C. Load Circuit
3V
5V
SPICE Macromodel
1462Ω
1382Ω
R
TOTAL
R
R
L
H
SO pin
SO pin
C
C
10pF
C
L
10pF
W
L
1217Ω
2714Ω
100pF
100pF
25pF
R
W
AC Timing
SYMBOL
PARAMETER
MIN
MAX
UNITS
MHz
ns
f
SSI/SPI clock frequency
SSI/SPI clock cycle time
SSI/SPI clock high time
SSI/SPI clock low time
Lead time
2.0
SCK
t
400
150
150
150
150
50
CYC
t
ns
WH
t
ns
WL
t
ns
LEAD
t
Lag time
ns
LAG
t
SI, SCK, HOLD and CS input setup time
SI, SCK, HOLD and CS input hold time
SI, SCK, HOLD and CS input rise time
SI, SCK, HOLD and CS input fall time
SO output disable time
ns
SU
t
50
ns
H
t
50
50
ns
RI
t
ns
FI
t
0
0
500
100
ns
DIS
t
SO output valid time
ns
V
t
SO output hold time
ns
HO
RO
t
SO output rise time
50
50
ns
t
SO output fall time
ns
FO
t
HOLD time
400
50
ns
HOLD
t
HOLD setup time
ns
HSU
t
HOLD hold time
50
ns
HH
t
HOLD low to output in high Z
HOLD high to output in low Z
100
100
20
ns
HZ
t
ns
LZ
T
Noise suppression time constant at
SI, SCK, HOLD and CS inputs
ns
I
t
CS deselect time
100
0
ns
ns
ns
CS
t
WP, A0, A1 setup time
WP, A0, A1 hold time
WPASU
t
0
WPAH
FN8159.4
September 15, 2006
11
INTERSIL [ Intersil ]
