X9271-2.7 INTERSIL [Intersil Corporation], X9271-2.7 Datasheet - Page 15

• Manufacturer Part Number: X9271-2.7
• Description: Single Supply/Low Power/256-Tap/SPI Bus
• Manufacturer: INTERSIL [Intersil Corporation]

EQUIVALENT A.C. LOAD CIRCUIT
AC TIMING
SO pin
f
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
T
t
t
t
SCK
CYC
WH
WL
LEAD
LAG
SU
H
RI
FI
DIS
V
HO
RO
FO
HOLD
HSU
HH
HZ
LZ
CS
WPASU
WPAH
Symbol
I
2714Ω
5V
SSI/SPI clock frequency
SSI/SPI clock cycle time
SSI/SPI clock high time
SSI/SPI clock low time
Lead time
Lag time
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
SO output valid time
SO output hold time
SO output rise time
SO output fall time
HOLD time
HOLD setup time
HOLD hold time
HOLD low to output in high Z
HOLD high to output in low Z
Noise suppression time constant at SI, SCK, HOLD and CS inputs
CS deselect time
WP, A0 setup time
WP, A0 hold time
1462Ω
100pF
15
SO pin
Parameter
1217Ω
3V
X9271
1382Ω
100pF
R
H
10pF
Min.
500
200
200
250
250
400
100
100
50
50
0
0
2
0
0
C
SPICE Macromodel
L
R
TOTAL
R
W
25pF
Max.
C
250
200
100
100
100
100
2.5
W
10
2
2
10pF
C
L
March 31, 2005
Units
MHz
ns
ns
ns
ns
ns
ns
ns
µs
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
ns
ns
R
FN8174.1
L