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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TCA6408 датащи(PDF) 19 Page - Texas Instruments |
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TCA6408 датащи(HTML) 19 Page - Texas Instruments |
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19 / 31 page  www.ti.com P0 A SCL P3 Unstable Data LastStableBit SDA WRITEMODE(R/ =0) W P0 A SCL P3 READMODE(R/ =1) W DUT P PORTLOADCONFIGURATION Pn 500 W 500 W 2 V ´ CCP 0.7 V ´ CCP 0.3 V ´ CCI 0.7 V ´ CCI 0.3 ´ VCCI 0.5 ´ VCCP C =50pF (seeNote A) L Slave ACK t (seeNoteB) pv Pn Pn tps tph TCA6408 LOW-VOLTAGE 8-BIT I2C AND SMBus I/O EXPANDER WITH INTERRUPT OUTPUT, RESET, AND CONFIGURATION REGISTERS SCPS151C – FEBRUARY 2007 – REVISED JUNE 2007 PARAMETER MEASUREMENT INFORMATION (continued) A. CL includes probe and jig capacitance. B. tpv is measured from 0.7 × VCC on SCL to 50% I/O (Pn) output. C. All inputs are supplied by generators having the following characteristics: PRR ≤ 10 MHz, Z O = 50 Ω, tr/tf ≤ 30 ns. D. The outputs are measured one at a time, with one transition per measurement. E. All parameters and waveforms are not applicable to all devices. Figure 12. P Port Load Circuit and Timing Waveforms 19 Submit Documentation Feedback |
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