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| TLC59108F_15 Datasheet, PDF (8/37 Pages) Texas Instruments – 8-Bit FM+ I2C Bus LED Driver | |||
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TLC59108F
SLDS162B â MARCH 2009 â REVISED DECEMBER 2015
Parameter Measurement Information (continued)
www.ti.com
Protocol
Start
Condition
(S)
Bit 7
MSB
(A7)
Bit 6
(A6)
Bit 7
(D1)
Bit 8
(D0)
Acknowledge
(A)
Stop
Condition
(P)
tSU;STA
tLOW tHIGH
1/fSCL
SCL
tr
tf
tBUF
SDA
tHD;STA
Rise and fall times refer to VIL and VIH.
tSU;DAT tHD;DAT
tVD;DAT
Figure 5. I2C Bus Timing
tVD;ACK
tSU;STO
Pulse
VI
Generator
VCC
DUT VO
RT
RL
CL
VCC
Open
GND
RL = Load resistance for SDA and SCL; should be >1 k⦠at 3-mA or lower current.
CL = Load capacitance; includes jig and probe capacitance.
RT = Termination resistance; should be equal to the output impedance (ZO) of the pulse generator.
Figure 6. Test Circuit for Switching Characteristics
8
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