X90100 Datasheet, PDF (5/10 Pages) Xicor Inc. – NV Electronically Programmable Capacitor

X90100
A.C. OPERATING CHARACTERISTICS (V_CC = 5V, T_A = 25°C unless otherwise specified)
Symbol
t_Cl
t_lD
t_DI
t_lL⁽⁷⁾
t_lH⁽⁷⁾
t_lC
t_CPHNS⁽⁵⁾
t_CPHS⁽⁵⁾
t_IW
t_CYC
t_R, t_F⁽⁵⁾
t_PU⁽⁵⁾
t_R V_CC⁽⁵⁾
t_WR⁽⁵⁾
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 (NO STORE)
CS Deselect time (STORE)
INC to C_TOTAL change
INC cycle time
INC input rise and fall time
Power up to capacitance stable
V_CC power-up rate
Store cycle
Min.
100
100
100
1
1
1
1
10
4
0.2
Limits
Typ.⁽⁴⁾
1
5
Max.
5
500
5
50
10
A.C. TIMING
Unit
ns
ns
ns
µs
µs
µs
µs
ms
µs
µs
µs
µs
V/ms
ms
CS
t_CI
INC
t_CYC
t_IL
t_IH
t_IC
t_ID
t_DI
(Store)
t_CPHS
90% 90%
10%
t_F
t_R
t_CPHNS
U/D
t_IW
C_TOTAL
MI ⁽⁶⁾
Notes: (6) MI in the A.C. timing diagram refers to the minimum incremental change in the C_TOTAL output due to a change in the counter value.
(7) t_IH + t_IL ≥ 4µs
REV 1.4.7 9/8/03
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