X9420 Xicor, X9420 Datasheet - Page 12

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X9420

Manufacturer Part Number
X9420
Description
Single Digitally Controlled (XDCP) Potentiometer
Manufacturer
Xicor
Datasheet

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X9420
A.C. TEST CONDITIONS
AC TIMING
REV 1.1.6 7/30/02
I nput pulse levels
Input rise and fall times
Input and output timing level
Symbol
t
WPASU
t
t
t
WPAH
t
HOLD
t
f
LEAD
t
t
t
SCK
CYC
t
t
t
t
t
HSU
t
t
LAG
t
t
WH
t
DIS
WL
t
HO
RO
SU
t
t
FO
HH
HZ
T
CS
LZ
RI
FI
H
V
I
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 and A1 Setup Time
WP, A0 and A1 Hold Time
V
10ns
V
CC
CC
x 0.1 to V
x 0.5
Parameter
CC
www.xicor.com
x 0.9
EQUIVALENT A.C. LOAD CIRCUIT
SDA Output
Characteristics subject to change without notice.
Min.
500
200
200
250
250
400
100
100
50
50
0
0
2
0
0
5V
1533
100pF
Max.
500
100
100
100
2.0
50
50
20
2
2
Units
MHz
12 of 20
ns
ns
ns
ns
ns
ns
ns
µs
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
ns
ns

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