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| TCA6408A-Q1 Datasheet, PDF (14/40 Pages) Texas Instruments – Low-Voltage 8-Bit I2C and SMBus I/O Expander With Interrupt Output | |||
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TCA6408A-Q1
SCPS234 â SEPTEMBER 2016
VCCI
Parameter Measurement Information (continued)
SDA
DUT
RL = 1 kW
CL = 50 pF
(see Note A)
DUT
Pn
CL = 50 pF
(see Note A)
500 W
500 W
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2 ´ VCCP
SDA LOAD CONFIGURATION
P-PORT LOAD CONFIGURATION
SCL
Start
ACK or Read Cycle
SDA
RESET
tREC
tRESET
tW
VCCP/2
tREC
0.3 ´ VCCI
Pn
VCCP/2
tRESET
A. CL includes probe and jig capacitance.
B. All inputs are supplied by generators having the following characteristics: PRR ⤠10 MHz, ZO = 50 â¦, tr/tf ⤠30 ns.
C. The outputs are measured one at a time, with one transition per measurement.
D. I/Os are configured as inputs.
Figure 20. Reset Load Circuits and Voltage Waveforms
14
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