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MCP23017T-E/SO Datasheet(PDF) 6 Page - Microchip Technology |
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MCP23017T-E/SO Datasheet(HTML) 6 Page - Microchip Technology |
6 / 42 page MCP23017/MCP23S17 DS20001952C-page 6 2005-2016 Microchip Technology Inc. FIGURE 1-3: I2C BUS START/STOP BITS TIMING FIGURE 1-4: I2C BUS DATA TIMING TABLE 1-3: I2C BUS DATA REQUIREMENTS I2C Interface AC Characteristics: Unless otherwise noted, 1.8V V DD 5.5V at -40C TA +125C, RPU (SCL, SDA) = 1 k , C L (SCL, SDA) = 135 pF Param. No. Characteristic Sym. Min. Typ. Max. Units Conditions 100 Clock High Time: THIGH 100 kHz mode 4.0 — — µs 1.8V – 5.5V 400 kHz mode 0.6 — — µs 2.7V – 5.5V 1.7 MHz mode 0.12 — — µs 4.5V – 5.5V 101 Clock Low Time: TLOW 100 kHz mode 4.7 — — µs 1.8V – 5.5V 400 kHz mode 1.3 — — µs 2.7V – 5.5V 1.7 MHz mode 0.32 — — µs 4.5V – 5.5V 102 SDA and SCL Rise Time: TR (1) 100 kHz mode — — 1000 ns 1.8V – 5.5V 400 kHz mode 20 + 0.1 CB (2) — 300 ns 2.7V – 5.5V 1.7 MHz mode 20 — 160 ns 4.5V – 5.5V 103 SDA and SCL Fall Time: TF (1) 100 kHz mode — — 300 ns 1.8V – 5.5V 400 kHz mode 20 + 0.1 CB (2) — 300 ns 2.7V – 5.5V 1.7 MHz mode 20 — 80 ns 4.5V – 5.5V Note 1: This parameter is characterized, not 100% tested. 2: CB is specified to be from 10 to 400 pF. 91 93 SCL SDA Start Condition Stop Condition 90 92 90 91 92 100 101 103 106 107 109 109 110 102 SCL SDA In SDA Out |
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