X93254 Datasheet, PDF (5/10 Pages) Intersil Corporation – Dual Digitally Controlled Potentiometers

X93254
A.C. OPERATING CHARACTERISTICS (Over recommended operating conditions unless otherwise specified. In the
table, CS, INC, U/D, R_H and R_L are used to refer to either CS₁ or CS₂, etc.)
Symbol
Parameter
Limits
Min.
Typ.⁽⁶⁾
Max.
Unit
t_Cl
t_lD
t_DI
t_lL
t_lH
t_lC
t_CPH
t_CPH
t_CYC
t_R, t_F(6)
t_R V_CC(6)
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 (NO STORE)
CS Deselect time (STORE)
INC cycle time
INC input rise and fall time
V_CC power-up rate
Store cycle
100
ns
100
ns
100
ns
1
µs
1
µs
1
µs
250
ns
10
ms
2
µs
500
µs
1
10,000
V/ms
5
10
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 potenti-
ometer pins provided that V_CC is always more positive than or equal to V_H and V_L, i.e., V_CC ≥ V_H,V_L. The V_CC ramp
rate spec is always in effect.
A.C. TIMING (In the diagram, CS, INC, U/D, R_H and R_L are used to refer to either CS₁ or CS₂, etc.)
CS
t_CI
INC
U/D
t_CYC
t_IL
t_IH
t_IC
t_ID
t_DI
(Store)
t_CPH
90% 90%
10%
t_F
t_R
5
FN8186.0
March 1, 2005