X9271 Xicor, X9271 Datasheet - Page 15

• Manufacturer Part Number: X9271
• Description: Single Digitally-Controlled (XDCP) Potentiometer
• Manufacturer: Xicor

X9271
EQUIVALENT A.C. LOAD CIRCUIT
AC TIMING
REV 1.1.7 2/6/03
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
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
5V
1462Ω
100pF
SO pin
Parameter
1217Ω
www.xicor.com
3V
1382Ω
100pF
Characteristics subject to change without notice.
R
H
Min.
500
200
200
250
250
400
100
100
50
50
10pF
0
0
2
0
0
C
SPICE Macromodel
L
R
TOTAL
R
W
Max.
250
200
100
100
100
100
2.5
10
25pF
2
2
C
W
10pF
C
Units
MHz
L
µs
µs
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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R
L