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X9470 Datasheet(PDF) 8 Page - Xicor Inc. |
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X9470 Datasheet(HTML) 8 Page - Xicor Inc. |
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8 / 25 page ![]() 8 of 25 REV 11.16 3/20/03 www.xicor.com Preliminary Information X9470 AC SPECIFICATIONS Note: (12) Cb = total capacitance of one bus line in pF. TIMING DIAGRAMS Bus Timing Symbol Parameter Min. Max. Unit fSCL SCL Clock Frequency 0 400 kHz tIN (10) Pulse width Suppression Time at inputs 50 ns tAA (10) SCL LOW to SDA Data Out Valid 0.1 0.9 µs tBUF (10) Time the bus must be free before a new transmission can start 1.3 µs tLOW Clock LOW Time 1.3 µs tHIGH Clock HIGH Time 0.6 µs tSU:STA Start Condition Setup Time 0.6 µs tHD:STA Start Condition Hold Time 0.6 µs tSU:DAT Data In Setup Time 200 ns tHD:DAT Data In Hold Time 200 ns tSU:STO Stop Condition Setup Time 0.6 µs tDH (10) Data Output Hold Time 50 ns tR (10) SDA and SCL Rise Time 20 +.1Cb(12) 300 ns tF (10) SDA and SCL Fall Time 20 +.1Cb(12) 300 ns Cb(10) Capacitive load for each bus line 400 pF tSU:STO tDH tHIGH tSU:ST tHD:STA tHD:DAT tSU:DAT SCL SDA IN SDA OUT tF tLOW tBUF tAA tR |
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