x9313wszt2 Intersil Corporation, x9313wszt2 Datasheet - Page 7

• Manufacturer Part Number: x9313wszt2
• Description: Digitally Controlled Potentiometer Xdcp? , Linear, 32 Taps, 3 Wire Interface, Terminal Voltages ? Vcc
• Manufacturer: Intersil Corporation

AC Operating Characteristics
NOTES:
Power-Up and Power-Down Requirements
The recommended power-up sequence is to apply V
first, then the potentiometer voltages. During power-up, the
data sheet parameters for the DCP do not fully apply until
NOTE: MI IN THE AC TIMING DIAGRAM REFERS TO THE MINIMUM INCREMENTAL CHANGE IN THE V
POSITION.
4. Typical values are for T
5. This parameter is not 100% tested.
t
R
t
R
t
t
WR
PU
V
, t
SYMBOL
CC
F
t
t
t
(Note 5)
CPH
CPH
CYC
(Note 5)
t
t
t
t
t
t
t
(Note 5)
IW
CI
ID
DI
IH
IC
IL
(Note 5)
INC
U/D
V
CS
W
INC input rise and fall time
Power-up to wiper stable
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 V
INC cycle time
V
Store cycle
CC
t
CI
power-up rate
A
= +25°C and nominal supply voltage.
t
IW
W
change
7
t
Over recommended operating conditions unless otherwise stated.
IL
t
ID
t
CYC
PARAMETER
t
IH
FIGURE 4. AC TIMING DIAGRAM
CC
/V
t
DI
SS
t
X9313
IC
MI
(SEE NOTE)
1ms after V
always in effect. In order to prevent unwanted tap position
changes, or an inadvertent store, bring the CS and INC high
before or concurrently with the VCC pin on power-up.
t
CPH
CC
MIN
100
100
100
2.9
0.2
20
1
1
1
2
reaches its final value. The V
W
OUTPUT DUE TO A CHANGE IN THE WIPER
t
F
(Note 4)
LIMITS
TYP
10
10
90%
5
10%
90%
MAX
500
50
t
R
CC
ramp spec is
April 18, 2007
UNIT
V/ms
ms
ms
ns
ns
µs
µs
µs
µs
ns
µs
µs
µs
µs
FN8177.5