X9C303 Datasheet, PDF (6/10 Pages) Xicor Inc. – Digitally Controlled Potentiometer (XDCP)

X9C303
A.C. OPERATING CHARACTERISTICS (Over recommended operating conditions unless otherwise specified)
Symbol
t_Cl
t_lD
t_DI
t_lL
t_lH
t_lC
t_CPH
t_IW
t_CYC
t_R, t_F ⁽⁴⁾
t_PU ⁽⁴⁾
t_R V_CC ⁽⁴⁾
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
4
0.2
Limits
Typ. ⁽³⁾
100
Max.
500
500
500
50
Unit
ns
ns
µs
µs
µs
µs
ms
µs
µs
ns
µs
mV/µs
A.C. TIMING
CS
t_CI
INC
t_CYC
t_IL
t_IH
t_IC
t_ID
t_DI
t_CPH
90% 90%
10%
t_F
t_R
U/D
t_IW
V_W
MI ⁽⁸⁾
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.
6
FN8223.0
March 11, 2005