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74ALVCH16973DLG4 bảng dữ liệu(PDF) 7 Page - Texas Instruments |
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74ALVCH16973DLG4 bảng dữ liệu(HTML) 7 Page - Texas Instruments |
7 / 13 page www.ti.com OPERATING CHARACTERISTICS (1) SN74ALVCH16973 8-BIT BUS TRANSCEIVER AND TRANSPARENT D-TYPE LATCH WITH FOUR INDEPENDENT BUFFERS SCES435B – APRIL 2003 – REVISED SEPTEMBER 2004 T A = 25°C VCC = 1.8 V VCC = 2.5 V VCC = 3.3 V PARAMETER TEST CONDITIONS UNIT TYP TYP TYP One fA = 10 MHz, One fB = 10 MHz, A outputs enabled, TOE = GND, Q outputs disabled, 12 14 19 LOE = VCC, One A output switching DIR = GND, CL = 0 pF One fA = 10 MHz, One fB = 10 MHz, B outputs enabled, TOE = GND, Q outputs disabled, 12 14 21 LOE = VCC, One B output switching DIR = GND, Cpd(2) Power dissipation CL = 0 pF pF (each output) capacitance One fA = 10 MHz, One fLE = 20 MHz, Q outputs enabled, One fQ = 10 MHz, A and B I/Os isolated, 11 13 19 TOE = VCC, One Q output switching LOE = GND, CL = 0 pF One fD = 10 MHz, One Y output switching, One fY = 10 MHz, A and B I/Os isolated, TOE = VCC, 7 8 12 Q outputs disabled LOE = VCC, CL = 0 pF One fA = 10 MHz, A and B I/Os isolated, One fLE = 20 MHz, Power dissipation Q outputs disabled, fQ not switching, Cpd (Z) 4 5 11 pF capacitance One LE and one A data TOE = VCC, input switching LOE = VCC, CL = 0 pF fA not switching, One fLE = 20 MHz, A and B I/Os isolated, Cpd(3) Power dissipation fQ not switching, Q outputs disabled, 6 7 9 pF (each LE) capacitance TOE = VCC, One LE input switching LOE = VCC, CL = 0 pF (1) Total device Cpd for multiple (m) outputs switching and (n) LE inputs switching = [m * Cpd (each output)] + [n * Cpd (each LE)]. (2) Cpd (each output) is the Cpd for each data bit (input and output circuitry) when it operates at 10 MHz (Note: the LE is operating at 20 MHz in this test, but its ICC component has been subtracted). (3) Cpd (each LE) is the Cpd for the clock circuitry only when it operates at 20 MHz. 7 |
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