X9318 INTERSIL [Intersil Corporation], X9318 Datasheet - Page 5

• Manufacturer Part Number: X9318
• Description: Digitally Controlled Potwntiometer(XSCP)
• Manufacturer: INTERSIL [Intersil Corporation]

A.C. OPERATING CHARACTERISTICS
(V
POWER-UP AND DOWN REQUIREMENTS
The recommended power-up sequence is to apply V
the data sheet parameters for the DCP do not fully apply until 1 millisecond after V
ramp spec is always in effect. In order to prevent unwanted tap position changes, or an inadvertant store, bring the
CS and INC high before or concurrently with the V
A.C. TIMING
t
t
Symbol
CPHNS
R
t
CC
t
R
t
t
t
CPHS
t
PU
V
DI
CYC
lD
t
,
INC
U/D
t
t
t
CS
R
t
IW
Cl
lH
lC
CC
lL
t
)
(5)
F
= 5V ± 10%, T
(5)
W
(5)
(5)
(5)
(5
t
CS to INC setup
INC HIGH to U/D change
U/D to INC setup
INC LOW period
INC HIGH period
INC inactive to CS inactive
CS deselect time (STORE)
CS deselect time (NO STORE)
INC to R
INC cycle time
INC input rise and fall time
Power-up to wiper stable
V
CI
CC
t
IW
power-up rate
A
W
= Full Operating Temperature Range unless otherwise stated)
change
t
IL
t
5
ID
t
Parameter
CYC
t
IH
t
DI
t
IC
MI
CC
(3)
CC
pin on powerup.
X9318
/V
SS
first, then the potentiometer voltages. During power-up,
Min.
t
100
100
CPHS
0.2
20
1
1
1
1
1
4
t
F
Limits
Typ.
100
90%
(4)
CC
10%
reaches its final value. The V
90%
Max.
500
500
500
50
t
R
t
CPHNS
September 14, 2005
V/ms
Unit
ms
ns
ns
µs
µs
µs
µs
µs
µs
µs
µs
µs
FN8184.1
CC