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CAT5115 Datasheet, PDF (5/9 Pages) Catalyst Semiconductor – 32-Tap Digitally Programmable Potentiometer
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AC CONDITIONS OF TEST
VCC Range
Input Pulse Levels
Input Rise and Fall Times
Input Reference Levels
2.5V ≤ VCC ≤ 5.5V
0.2VCC to 0.7VCC
10ns
0.5VCC
AC OPERATING CHARACTERISTICS:
VCC = +2.5V to +5.5V, VH = VCC, VL = 0V, unless otherwise specified
Symbol Parameter
Min
tCI
CS to INC Setup
100
tDI
U/D to INC Setup
50
tID
U/D to INC Hold
100
tIL
INC LOW Period
250
tIH
INC HIGH Period
250
tIC
INC Inactive to CS Inactive
1
tCPH
CS Deselect Time (NO STORE)
100
tCPH
CS Deselect Time (STORE)
10
tIW
INC to VOUT Change
—
tCYC
INC Cycle Time
1
tR, tF(2)
INC Input Rise and Fall Time
—
tPU(2)
Power-up to Wiper Stable
—
tWR
Store Cycle
—
CAT5115
Typ(1)
—
—
—
—
—
—
—
—
1
—
—
—
5
Max
—
—
—
—
—
—
—
—
5
—
500
1
10
Units
ns
ns
ns
ns
ns
µs
ns
ms
µs
µs
µs
msec
ms
A. C. TIMING
CS
tCI
INC
U/D
tCYC
tIL
tIH
tIC
tDI tID
(store)
tCPH
90%
90%
10%
tF
tR
tIW
RW
MI (3)
(1) Typical values are for TA=25oC and nominal supply voltage.
(2) This parameter is periodically sampled and not 100% tested.
(3) MI in the A.C. Timing diagram refers to the minimum incremental change in the W output due to a change in the wiper position.
5
Doc. No. 2117, Rev. E
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