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CAT5419WI-25 Datasheet, PDF (4/16 Pages) ON Semiconductor – Dual Digitally Programmable Potentiometers with 64 Taps and 2-wire Interface
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CAT5419
D.C. OPERATING CHARACTERISTICS
Over recommended operating conditions unless otherwise stated.
Symbol Parameter
Test Conditions
Min
Max Units
ICC
ISB
ILI
ILO
VIL
VIH
VOL1
Power Supply Current
Standby Current (VCC = 5.0V)
Input Leakage Current
Output Leakage Current
Input Low Voltage
Input High Voltage
Output Low Voltage (VCC = 3.0V)
fSCL = 400kHz
VIN = GND or VCC; SDA Open
VIN = GND to VCC
VOUT = GND to VCC
IOL = 3 mA
1
mA
1
µA
10
µA
10
µA
-1
VCC x 0.3 V
VCC x 0.7 VCC + 1.0 V
0.4
V
PIN CAPACITANCE (1)
Applicable over recommended operating range from TA = 25˚C, f = 1.0 MHz, VCC = +5.0V (unless otherwise noted).
Symbol Test Conditions
Min Typ Max Units Conditions
CI/O Output Capacitance (SDA)
CIN Input Capacitance (A0, A1, A2, A3, SCL, ¯W¯P¯)
8
pF VI/O = 0V
6
pF VIN = 0V
A.C. CHARACTERISTICS
Over recommended operating conditions unless otherwise stated.
Symbol Parameter
Min
fSCL Clock Frequency
TI(1) Noise Suppression Time Constant at SCL, SDA Inputs
tAA
SLC Low to SDA Data Out and ACK Out
tBUF(1) Time the bus must be free before a new transmission can start 1.2
tHD:STA Start Condition Hold Time
0.6
tLOW Clock Low Period
1.2
tHIGH Clock High Period
0.6
tSU:STA Start Condition Setup Time (for a Repeated Start Condition)
0.6
tHD:DAT Data in Hold Time
0
tSU:DAT Data in Setup Time
100
tR(1)
SDA and SCL Rise Time
tF(1)
SDA and SCL Fall Time
tSU:STO Stop Condition Setup Time
0.6
tDH
Data Out Hold Time
50
POWER UP TIMING (1)
Over recommended operating conditions unless otherwise stated.
Symbol Parameter
Min
tPUR Power-up to Read Operation
tPUW Power-up to Write Operation
Note:
(1) This parameter is tested initially and after a design or process change that affects the parameter.
Typ
Typ
Max Units
400 kHz
50
ns
0.9
µs
µs
µs
µs
µs
µs
ns
ns
0.3
µs
300
ns
µs
ns
Max Units
1
ms
1
ms
Doc. No. MD-2115 Rev. I
4
2008 SCILLC. All rights reserved.
Characteristics subject to change without notice
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