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DS90UB913A-Q1 Datasheet(PDF) 11 Page - Texas Instruments |
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DS90UB913A-Q1 Datasheet(HTML) 11 Page - Texas Instruments |
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11 / 51 page  11 DS90UB913A-Q1 www.ti.com SNLS443C – MAY 2013 – REVISED APRIL 2016 Product Folder Links: DS90UB913A-Q1 Submit Documentation Feedback Copyright © 2013–2016, Texas Instruments Incorporated 7.7 AC Timing Specifications (SCL, SDA) - I2C-Compatible Over recommended supply and temperature ranges unless otherwise specified. (Figure 1) PARAMETER TEST CONDITIONS MIN NOM MAX UNIT RECOMMENDED INPUT TIMING REQUIREMENTS fSCL SCL Clock Frequency Standard Mode 100 kHz Fast Mode 400 kHz tLOW SCL Low Period Standard Mode 4.7 µs Fast Mode 1.3 µs tHIGH SCL High Period Standard Mode 4.0 µs Fast Mode 0.6 µs tHD:STA Hold time for a start or a repeated start condition Standard Mode 4.0 µs Fast Mode 0.6 µs tSU:STA Set Up time for a start or a repeated start condition Standard Mode 4.7 µs Fast Mode 0.6 µs tHD:DAT Data Hold Time Standard Mode 0 3.45 µs Fast Mode 0 900 ns tSU:DAT Data Set Up Time Standard Mode 250 ns Fast Mode 100 ns tSU:STO Set Up Time for STOP Condition Standard Mode 4.0 µs Fast Mode 0.6 µs tBUF Bus Free time between Stop and Start Standard Mode 4.7 µs Fast Mode 1.3 µs tr SCL & SDA Rise Time Standard Mode 1000 ns Fast Mode 300 ns tf SCL & SDA Fall Time Standard Mode 300 ns Fast Mode 300 ns (1) Specification is verified by design. (2) FPD-Link device was designed primarily for point-to-point operation and a small number of attached slave devices. As such the Minimum IOL pullup current is targeted to lower value than the minimum IOL in the I2C specification. 7.8 Bidirectional Control Bus DC Timing Specifications (SCL, SDA) - I2C-Compatible (1) Over recommended supply and temperature ranges unless otherwise specified PARAMETER TEST CONDITIONS MIN NOM MAX UNIT RECOMMENDED INPUT TIMING REQUIREMENTS VIH Input High Level SDA and SCL 0.7*VDDIO VDDIO V VIL Input Low Level SDA and SCL GND 0.3*VDDIO V VHY Input Hysteresis >50 mV VOL Output Low Level(2) SDA, VDDIO = 1.8V, IOL= 0.9 mA 0 0.36 V SDA, VDDIO = 3.3V, IOL= 1.6 mA 0 0.4 IIN Input Current SDA or SCL, VIN= VDDIO OR GND −10 10 µA tR SDA Rise Time-READ SDA, RPU = 10 k Ω, Cb ≤ 400 pF (Figure 1) 430 ns tF SDA Fall Time-READ 20 ns tSU;DAT (See Figure 1) 560 ns tHD;DAT (See Figure 1) 615 ns CIN SDA or SCL <5 pF |
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