X9116 Datasheet, PDF (6/9 Pages) Xicor Inc. – Digitally Controlled Potentiometer (XDCP)

X9116
DC Electrical Specifications Over recommended operating conditions unless otherwise specified
SYMBOL
PARAMETER
MIN
TYP (NOTE 6)
t_Cl
t_lD
t_DI
t_lL
t_lH
t_lC
t_CPH
t_IW
t_CYC
t_R, t_F (Note 7)
t_PU (Note 7)
t_R V_CC (Note 7)
t_WR
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 (STORE)
INC to Vw change
INC cycle time
INC input rise and fall time
Power up to wiper stable
VCC Power-up rate
Store cycle
100
100
2.9
1
1
1
10
1
4
15
5
MAX
5
500
5
50
10
UNIT
ns
ns
µs
µs
µs
µs
ms
µs
µs
µs
µs
mV/µs
ms
Power Up and Down Requirements
There are no restrictions on the power-up or power-down conditions of V_CC and the voltages applied to the potentiometer pins
provided that V_CC is always more positive than or equal to V_H, V_L, and V_W, i.e., V_CC ≥ V_H, V_L, V_W. The V_CC ramp rate spec is
always in effect.
A.C. Timing
CS
t_CI
INC
t_CYC
t_IL
t_IH
(store)
t_IC
t_CPH
t_ID
t_DI
90% 90%
10%
t_F
t_R
U/D
t_IW
V_W
(Note 8)
MI
NOTES:
6. Typical values are for T_A = 25°C and nominal supply voltage.
7. This parameter is 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
FN8160.1
September 12, 2005