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DAC6574 数据表(PDF) 4 Page - Texas Instruments |
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DAC6574 数据表(HTML) 4 Page - Texas Instruments |
4 / 34 page www.ti.com TIMING CHARACTERISTICS DAC6574 SLAS408 – DECEMBER 2003 V DD = 2.7 V to 5.5 V, RL = 2 kΩ to GND; all specifications -40°C to +105°C, unless otherwise specified. SYMBOL PARAMETER TEST CONDITIONS MIN TYP MAX UNITS Standard mode 100 kHz Fast mode 400 kHz fSCL SCL clock frequency High-Speed Mode, CB = 100 pF max 3.4 MHz High-speed mode, CB = 400 pF max 1.7 MHz Standard mode 4.7 µs Bus free time between a tBUF STOP and START condition Fast mode 1.3 µs Standard mode 4.0 µs Hold time (repeated) START tHD; tSTA Fast mode 600 ns condition High-speed mode 160 ns Standard mode 4.7 µs Fast mode 1.3 µs tLOW LOW period of the SCL clock High-speed mode, CB = 100 pF max 160 ns High-speed mode, CB = 400 pF max 320 ns Standard mode 4.0 µs Fast mode 600 ns tHIGH HIGH period of the SCL clock High-Speed Mode, CB = 100 pF max 60 ns High-speed mode, CB = 400 pF max 120 ns Standard mode 4.7 µs Setup time for a repeated tSU; tSTA Fast mode 600 ns START condition High-speed mode 160 ns Standard mode 250 ns tSU; tDAT Data setup time Fast mode 100 ns High-speed mode 10 ns Standard mode 0 3.45 µs Fast mode 0 0.9 µs tHD; tDAT Data hold time High-speed mode, CB = 100 pF max 0 70 ns High-speed mode, CB = 400 pF max 0 150 ns Standard mode 1000 ns Fast mode 20 + 0.1CB 300 ns tRCL Rise time of SCL signal High-speed mode, CB = 100 pF max 10 40 ns High-speed mode, CB = 400 pF max 20 80 ns Standard mode 1000 ns Rise time of SCL signal after Fast mode 20 + 0.1CB 300 ns a repeated START condition tRCL1 and after an acknowledge High-speed mode, CB = 100 pF max 10 80 ns BIT High-speed mode, CB = 400 pF max 20 160 ns Standard mode 300 ns Fast mode 20 + 0.1CB 300 ns tFCL Fall time of SCL signal High-speed mode, CB = 100 pF max 10 40 ns High-speed mode, CB = 400 pF max 20 80 ns Standard mode 1000 ns Fast mode 20 + 0.1CB 300 ns tRDA Rise time of SDA signal High-speed mode, CB = 100 pF max 10 80 ns High-speed mode, CB = 400 pF max 20 160 ns 4 |
类似零件编号 - DAC6574_16 |
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类似说明 - DAC6574_16 |
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