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PCA9544ARGYR Datasheet(PDF) 7 Page - Texas Instruments |
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PCA9544ARGYR Datasheet(HTML) 7 Page - Texas Instruments |
7 / 35 page RL = 1 kΩ VCC CL = 50 pF (See Note A) tbuf ticr tsth tsds tsdh ticf ticr tscl tsch tsts tvd(ACK) or tvdL tvdH 0.3 × VCC Stop Condition tsps Repeat Start Condition Start or Repeat Start Condition SCL SDA Start Condition (S) Address Bit 7 (MSB) Data Bit 0 (LSB) Stop Condition (P) Two Bytes for Complete Device Programming I2C-PORT LOAD CONFIGURATION VOLTAGE WAVEFORMS ticf Stop Condition (P) tsp DUT SDn, SCn 0.7 × VCC 0.3 × VCC 0.7 × VCC R/W Bit 0 (LSB) ACK (A) Data Bit 7 (MSB) Address Bit 1 Address Bit 6 ACK (A) BYTE DESCRIPTION I2C address + R/W Control register data 1 2 NOTES: A. CL includes probe and jig capacitance. B. All input pulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz, ZO = 50 Ω, tr/tf ≤ 30 ns. C. The outputs are measured one at a time, with one transition per measurement. PCA9544A www.ti.com SCPS146E – OCTOBER 2005 – REVISED JUNE 2014 8 Parameter Measurement Information Figure 1. I2C Interface Load Circuit, Byte Descriptions, and Voltage Waveforms Copyright © 2005–2014, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: PCA9544A |
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