Datenblatt-Suchmaschine für elektronische Bauteile |
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MT9P001 Datenblatt(PDF) 27 Page - ON Semiconductor |
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MT9P001 Datenblatt(HTML) 27 Page - ON Semiconductor |
27 / 33 page MT9P001 www.onsemi.com 27 Figure 29. Two-Wire Serial Bus Timing Parameters S S DATA CLK Write Start Stop SD ACK S ATA CLK Read Start ACK tr_clk tf_clk 90% 10% tr_sdat tf_sdat 90% 10% tSDH tSDS tSHAW tAHSW tSTPSt TPH S Register Address Bit 7 Write Address Bit 0 Register Value Bit 0 Register Value Bit 7 Read Address Bit 0 Register Value Bit 0 Write Address Bit 7 Read Address Bit 7 tSHAR t SDSR t SDHR tAHSR tSRTH tSCLK Notes: Read sequence: For an 8-bit READ, read waveforms start after WRITE command and register address are issued. Table 17. TWO-WIRE SERIAL BUS CHARACTERISTICS Symbol Definition Condition Min Typ Max Unit fSCLK Serial interface input clock frequency – – – 400 kHz tSCLK Serial Input clock period – – – 2.5 msec SCLK duty cycle – 40 50 60 % tr_sclk SCLK rise time – 34 – ns tf_sclk SCLK fall time – 8 – ns tr_sdat SDATA rise time – 34 – ns tf_sdat SDATA fall time – 10 – ns tSRTH Start hold time WRITE/READ 0 10 28 ns tSDH SDATA hold WRITE 0 0 0 ns tSDS SDATA setup WRITE 0 19.9 59.9 ns tSHAW SDATA hold to ACK WRITE 279 281 300 ns tAHSW ACK hold to SDATA WRITE 279 281 300 ns tSTPS Stop setup time WRITE/READ 0 0 0 ns tSTPH Stop hold time WRITE/READ 0 0 0 ns tSHAR SDATA hold to ACK READ 279 284 300 ns tAHSR ACK hold to SDATA READ 279 284 300 ns tSDHR SDATA hold READ 0 0 0 ns tSDSR SDATA setup READ 0 19.9 59.9 ns CIN_SI Serial interface input pin capacitance – – 3.5 – pF CLOAD_SD SDATA max load capacitance – – 15 – pF RSD SDATA pull-up resistor – – 1.5 – kΩ |
Ähnliche Teilenummer - MT9P001_17 |
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Ähnliche Beschreibung - MT9P001_17 |
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