X9279 Datasheet, PDF (15/22 Pages) Xicor Inc. – Single Digitally-Controlled (XDCP) Potentiometer

X9279
D.C. OPERATING CHARACTERISTICS (Over the recommended operating conditions unless otherwise specified.)
Limits
Symbol
Parameter
Min. Typ. Max. Units
Test Conditions
I_CC1
V_CC supply current
(active)
3
mA f_SCL = 400kHz; V_CC = +6V;
SDA = Open; (for 2-Wire, Active, Read
and Volatile Write States only)
I_CC2
I_SB
I_LI
I_LO
V_IH
V_IL
V_OL
V_OH
V_CC supply current
(nonvolatile write)
V_CC current (standby)
Input leakage current
Output leakage current
Input HIGH voltage
Input LOW voltage
Output LOW voltage
Output HIGH voltage
V_CC x 0.7
-1
5
mA f_SCL = 400kHz; V_CC = +6V;
SDA = Open; (for 2-Wire, Active,
Nonvolatile Write State only)
5
µA V_CC = +6V; V_IN = V_SS or V_CC;
SDA = V_CC; (for 2-Wire, Standby
State only)
10
µA V_IN = V_SS to V_CC
10
µA V_OUT = V_SS to V_CC
V_CC + 1
V
V_CC x 0.3 V
0.4
V I_OL = 3mA
ENDURANCE AND DATA RETENTION
Parameter
Minimum endurance
Data retention
Min.
100,000
100
Units
Data changes per bit per register
years
CAPACITANCE
Symbol
C_IN/OUT(6)
C_IN(6)
Test
Input / Output capacitance (SDA)
Input capacitance (SCL, WP, A2, A1 and A0)
Max.
8
6
Units
pF
pF
Test Conditions
V_OUT = 0V
V_IN = 0V
POWER-UP TIMING
Symbol
t_r V_CC(6)
t_PUR(7)
t_PUW(7)
Parameter
V_CC Power-up rate
Power-up to initiation of read operation
Power-up to initiation of write operation
Min.
0.2
Max.
50
1
50
Units
V/ms
ms
ms
A.C. TEST CONDITIONS
Input Pulse Levels
Input rise and fall times
Input and output timing level
V_CC x 0.1 to V_CC x 0.9
10ns
V_CC x 0.5
Notes: (6) This parameter is not 100% tested
(7) t_PUR and t_PUW are the delays required from the time the (last) power supply (V_CC-) is stable until the specific instruction can be issued.
These parameters are periodically sampled and not 100% tested.
15
FN8175.2
September 27, 2005