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X9015 Datasheet, PDF (6/11 Pages) Xicor Inc. – Digitally-Controlled Potentiometer
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X9015
A.C. Operating Specifications Over recommended operating conditions unless otherwise specified
SYMBOL
PARAMETER
MIN.
TYP. (Note 6)
tCl
CS to INC setup
tlD
INC HIGH to U/D change
tDI
U/D to INC setup
tlL
INC LOW period
tlH
INC HIGH period
tlC
INC inactive to CS inactive
tCPH
CS deselect time (NO STORE)
tCPH
CS deselect time (STORE)
tIW
INC to Vw change
tCYC
INC cycle time
tR, tF (Note 7) INC input rise and fall time
tPU(Note 7) Power up to wiper stable
tR VCC(Note 7) VCC power-up rate
tWR
Store cycle
100
100
2.9
1
1
1
100
10
1
4
0.2
5
MAX.
5
500
5
50
10
UNIT
ns
ns
µs
µs
µs
µs
ns
ms
µs
µs
µs
µs
V/ms
ms
A.C. Timing
CS
tCI
INC
U/D
tIW
VW
tCYC
tIL
tIH
tID
tIC
tDI
(8)
MI
(store)
tCPH
90% 90%
10%
tF
tR
NOTES:
6. Typical values are for TA = 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 VW output due to a change in the wiper position.
6
FN8157.1
September 15, 2005
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