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TCA9534 Fiches technique(PDF) 7 Page - Texas Instruments |
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TCA9534 Fiches technique(HTML) 7 Page - Texas Instruments |
7 / 38 page 7 TCA9534 www.ti.com SCPS197B – SEPTEMBER 2014 – REVISED NOVEMBER 2016 Product Folder Links: TCA9534 Submit Documentation Feedback Copyright © 2014–2016, Texas Instruments Incorporated I 2C Interface Timing Requirements (continued) over operating free-air temperature range (unless otherwise noted) (see Figure 19) MIN MAX UNIT tocf I2C output fall time 10-pF to 400-pF bus 20 × (VDD / 5.5 V) 300 ns tbuf I2C bus free time between Stop and Start 1.3 µs tsts I2C Start or repeated Start condition setup 0.6 µs tsth I2C Start or repeated Start condition hold 0.6 µs tsps I2C Stop condition setup 0.6 µs tvd(data) Valid data time SCL low to SDA output valid 0.9 µs tvd(ack) Valid data time of ACK condition ACK signal from SCL low to SDA (out) low 0.9 µs Cb I2C bus capacitive load 400 pF 6.7 Switching Characteristics over operating free-air temperature range (unless otherwise noted) (see Figure 20 and Figure 21) PARAMETER FROM (INPUT) TO (OUTPUT) MIN MAX UNIT tiv Interrupt valid time P port INT 4 µs tir Interrupt reset delay time SCL INT 4 µs tpv Output data valid SCL P7–P0 350 ns tps Input data setup time P port SCL 100 ns tph Input data hold time P port SCL 1 µs |
Numéro de pièce similaire - TCA9534_16 |
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Description similaire - TCA9534_16 |
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