X9C303
A.C. CONDITIONS OF TEST
Input pulse levels
Input rise and fall times
Input reference levels
0V to 3V
10ns
1.5V
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
F4
t
PU4
t
R
V
CC4
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 V
W
change
INC cycle time
INC input rise and fall time
Power up to wiper stable
V
CC
power-up rate
Min.
100
100
2.9
1
1
1
20
Typ.
3
Max.
Unit
ns
ns
µs
µs
µs
µs
ms
100
4
500
500
500
µs
µs
ns
µs
mV/µs
0.2
50
A.C. TIMING
CS
t
CYC
t
CI
INC
t
ID
U/D
t
IW
V
W
MI
(8)
t
DI
t
F
t
IL
t
IH
t
IC
t
CPH
90% 90%
10%
t
R
Notes:
(3) Typical values are for T
A
= 25°C and nominal supply voltage.
(4) This parameter is periodically sampled and not 100% tested.
(5) 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.
REV 1.1 4/27/01
www.xicor.com
Characteristics subject to change without notice.
6 of 10
XICOR [ XICOR INC. ]
