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SN74AVC2T45DCTT Datasheet(PDF) 8 Page - Texas Instruments |
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SN74AVC2T45DCTT Datasheet(HTML) 8 Page - Texas Instruments |
8 / 21 page www.ti.com Switching Characteristics Operating Characteristics SN74AVC2T45 DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS SCES531F – DECEMBER 2003 – REVISED MAY 2005 over recommended operating free-air temperature range, V CCA = 3.3 V ± 0.3 V (see Figure 11) VCCB = 1.5 V VCCB = 1.8 V VCCB = 2.5 V VCCB = 3.3 V VCCB = 1.2 V FROM TO ± 0.1 V ± 0.15 V ± 0.2 V ± 0.3 V PARAMETER UNIT (INPUT) (OUTPUT) TYP MIN MAX MIN MAX MIN MAX MIN MAX tPLH 2.5 0.3 4.7 0.2 3.8 0.2 2.8 0.2 2.4 A B ns tPHL 2.5 0.3 4.7 0.2 3.8 0.2 2.8 0.2 2.4 tPLH 2.1 0.6 3.6 0.4 3.1 0.3 2.6 0.3 2.4 B A ns tPHL 2.1 0.6 3.6 0.4 3.1 0.3 2.6 0.3 2.4 tPHZ 2.9 1.1 8 1 6.5 1.3 4.7 1.2 4 DIR A ns tPLZ 2.9 1.1 8 1 6.5 1.3 4.7 1.2 4 tPHZ 3.4 0.5 6.6 0.3 5.6 0.3 4.6 1.1 3.5 DIR B ns tPLZ 3.4 0.5 6.6 0.3 5.6 0.3 4.6 1.1 3.5 tPZH(1) 5.5 6.9 6.6 6.2 5.9 DIR A ns tPZL(1) 5.5 6.9 6.6 6.2 5.9 tPZH(1) 5.4 12.7 10.3 7.4 6.3 DIR B ns tPZL(1) 5.4 12.7 10.3 7.4 6.3 (1) The enable time is a calculated value, derived using the formula shown in the enable times section. T A = 25°C VCCA = VCCA = VCCA = VCCA = VCCA = TEST VCCB = 1.2 V VCCB = 1.5 V VCCB = 1.8 V VCCB = 2.5 V VCCB = 3.3 V PARAMETER UNIT CONDITIONS TYP TYP TYP TYP TYP A-port input, 3 3 3 3 4 CL = 0, B-port output CpdA(1) f = 10 MHz, pF B-port input, tr = tf = 1 ns 12 13 13 14 15 A-port output A-port input, 12 13 13 14 15 CL = 0, B-port output CpdB(1) f = 10 MHz, pF B-port input, tr = tf = 1 ns 3 3 3 3 4 A-port output (1) Power-dissipation capacitance per transceiver 8 |
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