X9312
A.C. CONDITIONS OF TEST
MODE SELECTION
Input Pulse Levels
0V to 3V
10ns
CS
INC
U/D
Mode
Wiper Up
Input Rise and Fall Times
Input Reference Levels
L
L
H
L
1.5V
Wiper Down
3865 PGM T05.1
H
X
L
X
X
X
Store Wiper Position
Standby
H
No Store, Return to
Standby
3865 PGM T06
A.C. OPERATING CHARACTERISTICS (Over recommended operating conditions unless otherwise specified)
Limits
(6)
Symbol
Parameter
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
INC to Vw Change
INC Cycle Time
INC Input Rise and Fall Time
Power up to Wiper Stable
Min.
Typ.
Max.
Units
t
t
t
t
t
t
t
t
t
t
t
100
100
1
ns
ns
µs
µs
µs
µs
ms
µs
µs
µs
µs
Cl
lD
DI
1
lL
1
lH
1
lC
20
CPH
IW
CYC
100
500
4
(7)
t
500
500
50
R, F
(7)
PU
(7)
t V
V Power-up Rate
CC
0.2
mV/µs
R
CC
3865 PGM T07.4
A.C. Timing
CS
t
CYC
t
t
t
t
t
CI
IL
IH
IC
CPH
90% 90%
10%
INC
U/D
t
t
t
t
ID
DI
F
R
t
IW
(8)
MI
V
W
3865 FHD F03
Notes: (6) Typical values are for T = 25°C and nominal supply voltage.
A
(7) This parameter is periodically sampled and not 100% tested.
(8) MI in the A.C. timing diagram refers to the minimum incremental change in the V output due to a change in the wiper position.
W
6
XICOR [ XICOR INC. ]
