X9312
A.C. CONDITIONS OF TEST
Input Pulse Levels
Input Rise and Fall Times
Input Reference Levels
0V to 3V
10ns
1.5V
3865 PGM T05.1
MODE SELECTION
CS
L
L
H
H
X
L
INC
U/D
H
L
X
X
X
Mode
Wiper Up
Wiper Down
Store Wiper Position
Standby
No Store, Return to
Standby
3865 PGM T06
A.C. OPERATING CHARACTERISTICS
(Over recommended operating conditions unless otherwise specified)
Limits
Symbol
t
Cl
t
lD
t
DI
t
lL
t
lH
t
lC
t
CPH
t
IW
t
CYC
t
R,
t
F(7)
t
PU(7)
t
R
V
CC(7)
A.C. Timing
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
V
CC
Power-up Rate
Min.
100
100
1
1
1
1
20
100
4
500
500
50
500
Typ.
(6)
Max.
Units
ns
ns
µs
µs
µs
µs
ms
µs
µs
µs
µs
mV/µs
3865 PGM T07.4
0.2
CS
tCYC
tCI
INC
tID
U/D
tIW
VW
MI
(8)
3865 FHD F03
tIL
tIH
tIC
tCPH
90% 90%
10%
tDI
tF
tR
Notes:
(6) Typical values are for T
A
= 25°C and nominal supply voltage.
(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
W
output due to a change in the wiper position.
6
XICOR [ XICOR INC. ]
