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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AM79C970A датащи(PDF) 175 Page - Advanced Micro Devices |
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AM79C970A датащи(HTML) 175 Page - Advanced Micro Devices |
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175 / 219 page  P R E L I M I N A R Y AMD 175 Am79C970A DC CHARACTERISTICS over COMMERCIAL operating ranges unless otherwise specified (continued) Parameter Symbol Parameter Description Test Conditions Min Max Units Crystal Input Current VILX XTAL1 Input LOW Voltage Threshold VIN = External Clock –0.5 0.8 V VIHX XTAL1 Input HIGH Voltage Threshold VIN = External Clock VDD – 0.8 VDD + 0.5 V IILX XTAL1 Input LOW Current VIN = External Clock Active –120 0 µA VIN = VSS Sleep –10 +10 µA IIHX XTAL1 Input HIGH Current VIN = External Clock Active 0 120 µA VIN = VDD Sleep 400 µA Power Supply Current IDD Active Power Supply Current XTAL1 = 20 MHz, 90 mA CLK = 33 MHz IDDCOMA Sleep Mode Power Supply Current SLEEP active 200 µA AWAKE = 0 (BCR2, bit 2) IDDSNOOZE Auto Wake Mode Power Supply Current SLEEP active 10 mA AWAKE = 1 (BCR2, bit 2) IDDMAGIC0 Magic Packet Mode CLK = 0 MHz (Note 10) 47 mA Power Supply Current IDDMAGIC33 Magic Packet Mode CLK = 33 MHz (Note 10) 80 mA Power Supply Current Pin Capacitance CIN Input Pin Capacitance FC = 1 MHz (Note 6) 10 pF CIDSEL IDSEL Pin Capacitance FC = 1 MHz (Note 6) 8 pF CO I/O or Output Pin Capacitance FC = 1 MHz (Note 6) 10 pF CCLK CLK Pin Capacitance FC = 1 MHz (Note 6) 5 12 pF Twisted Pair Interface (10BASE-T) IIRXD Input Current at RXD ± AVSS< VIN < AVDD –500 500 µA RRXD RXD ± Differential Input Resistance 10 K Ω VTIVB RXD+, RXD– Open Circuit IIN = 0 mA AVDD–3.0 AVDD–1.5 V Input Voltage (Bias) VTIDV Differential Mode Input Voltage AVDD = 5.0 V –3.1 3.1 V Range (RXD ±) VTSQ+ RXD Positive Squelch Threshold (Peak) Sinusoid 5 MHz ≤ f ≤ 10 MHz 300 520 mV LRT = 0 (CSR15, bit 9) VTSQ- RXD Negative Squelch Threshold (Peak) Sinusoid 5 MHz ≤ f ≤ 10 MHz –520 –300 mV LRT = 0 (CSR15, bit 9) VTHS+ RXD Post-Squelch Positive Sinusoid 5 MHz ≤ f ≤ 10 MHz Threshold (Peak) LRT = 0 (CSR15, bit 9) 150 293 mV VTHS- RXD Post-Squelch Negative Sinusoid 5 MHz ≤ f ≤ 10 MHz Threshold (Peak) LRT = 0 (CSR15, bit 9) –293 –150 mV VLTSQ+ RXD Positive Squelch Threshold (Peak) Sinusoid 5 MHz ≤ f ≤ 10 MHz LRT = 1 (CSR15, bit 9) 180 312 mV VLTSQ- RXD Negative Squelch Threshold (Peak) Sinusoid 5 MHz ≤ f ≤ 10 MHz LRT = 1 (CSR15, bit 9) –312 –180 mV VLTHS+ RXD Post-Squelch Positive Sinusoid 5 MHz ≤ f ≤ 10 MHz Threshold (Peak) LRT = 1 (CSR15, bit 9) 90 176 mV VLTHS- RXD Post-Squelch Negative Sinusoid 5 MHz ≤ f ≤ 10 MHz Threshold (Peak) LRT = 1 (CSR15, bit 9) –176 –90 mV |
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