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TCA9534 Datasheet(PDF) 6 Page - Texas Instruments |
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TCA9534 Datasheet(HTML) 6 Page - Texas Instruments |
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6 / 34 page  TCA9534 SCPS197A – SEPTEMBER 2014 – REVISED SEPTEMBER 2014 www.ti.com Electrical Characteristics (continued) over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS VCC MIN TYP(1) MAX UNIT Ci SCL VI = VCC or GND 1.65 V to 5.5 V 4 5 pF SDA 5.5 6.5 Cio VIO = VCC or GND 1.65 V to 5.5 V pF P port 8 9.5 7.6 I 2C Interface Timing Requirements over operating free-air temperature range (unless otherwise noted) (see Figure 9) STANDARD MODE FAST MODE I2C BUS I2C BUS UNIT MIN MAX MIN MAX fscl 0 100 0 400 kHz I2C clock frequency tsch 4 0.6 µs I2C clock high time tscl 4.7 1.3 µs I2C clock low time tsp 50 50 ns I2C spike time tsds 250 100 ns I2C serial-data setup time tsdh 0 0 ns I2C serial-data hold time ticr 1000 20 300 ns I2C input rise time ticf 300 20 × (VDD / 5.5 V) 300 ns I2C input fall time tocf 10-pF to 400-pF bus 300 20 × (VDD / 5.5 V) 300 ns I2C output fall time tbuf 4.7 1.3 µs I2C bus free time between Stop and Start tsts 4.7 0.6 µs I2C Start or repeated Start condition setup tsth 4 0.6 µs I2C Start or repeated Start condition hold tsps 4 0.6 µs I2C Stop condition setup tvd(data) Valid data time SCL low to SDA output valid 3.45 0.9 µs ACK signal from SCL low to tvd(ack) Valid data time of ACK condition 3.45 0.9 µs SDA (out) low Cb 400 400 pF I2C bus capacitive load 7.7 Switching Characteristics over operating free-air temperature range (unless otherwise noted) (see Figure 10 and Figure 11) STANDARD MODE FAST MODE FROM TO I2C BUS I2C BUS PARAMETER UNIT (INPUT) (OUTPUT) MIN MAX MIN MAX tiv Interrupt valid time P port INT 4 4 µs tir Interrupt reset delay time SCL INT 4 4 µs tpv Output data valid SCL P7–P0 350 350 ns tps Input data setup time P port SCL 100 100 ns tph Input data hold time P port SCL 1 1 µs 6 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated Product Folder Links: TCA9534 |
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