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SN74LVCH8T245RHLR Datasheet(PDF) 7 Page - Texas Instruments |
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SN74LVCH8T245RHLR Datasheet(HTML) 7 Page - Texas Instruments |
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7 / 22 page  www.ti.com Switching Characteristics Switching Characteristics Operating Characteristics SN74LVCH8T245 8-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS SCES637A – AUGUST 2005 – REVISED FEBRUARY 2007 over recommended operating free-air temperature range, V CCA = 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 1) VCCB = 1.8 V VCCB = 2.5 V VCCB = 3.3 V VCCB = 5 V FROM TO ± 0.15 V ± 0.2 V ± 0.3 V ± 0.5 V PARAMETER UNIT (INPUT) (OUTPUT) MIN MAX MIN MAX MIN MAX MIN MAX tPLH A B 1.5 21.2 1.1 8.8 0.8 6.2 0.5 4.4 ns tPHL tPLH B A 0.8 7.2 0.8 6.2 0.7 6.1 0.6 6 ns tPHL tPHZ OE A 1.6 8.2 1.6 8.2 1.6 8.2 1.6 8.2 ns tPLZ tPHZ OE B 2.1 29 1.7 10.3 1.5 8.6 0.8 6.3 ns tPLZ tPZH OE A 0.8 8.1 0.8 8.1 0.8 8.1 0.8 8.1 ns tPZL tPZH OE B 1.8 27.7 1.4 12.4 1.1 8.5 0.9 6.4 ns tPZL over recommended operating free-air temperature range, V CCA = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1) VCC = 1.8 V VCC = 2.5 V VCC = 3.3 V VCC = 5 V FROM TO ± 0.15 V ± 0.2 V ± 0.3 V ± 0.5 V PARAMETER UNIT (INPUT) (OUTPUT) MIN MAX MIN MAX MIN MAX MIN MAX tPLH A B 1.5 21.4 1 8.8 0.7 6 0.4 4.2 ns tPHL tPLH B A 0.7 7 0.4 4.8 0.3 4.5 0.3 4.3 ns tPHL tPHZ OE A 0.3 5.4 0.3 5.4 0.3 5.4 0.3 5.4 ns tPLZ tPHZ OE B 2 28.7 1.6 9.7 1.4 8 0.7 5.7 ns tPLZ tPZH OE A 0.7 6.4 0.7 6.4 0.7 6.4 0.7 6.4 ns tPZL tPZH OE B 1.5 27.6 1.3 11.4 1 8.1 0.9 6 ns tPZL T A = 25°C VCCA = VCCA = VCCA = VCCA = TEST VCCB = 1.8 V VCCB = 2.5 V VCCB = 3.3 V VCCB = 5 V PARAMETER UNIT CONDITIONS TYP TYP TYP TYP A-port input, B-port output 2 2 2 3 CpdA(1) CL = 0, B-port input, A-port output 12 13 13 16 f = 10 MHz, pF A-port input, B-port output 13 13 14 16 tr = tf = 1 ns CpdB(1) B-port input, A-port output 2 2 2 3 (1) Power dissipation capacitance per transceiver 7 Submit Documentation Feedback |
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