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SN74LVC1T45DCKR Datasheet(PDF) 7 Page - Texas Instruments |
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SN74LVC1T45DCKR Datasheet(HTML) 7 Page - Texas Instruments |
7 / 28 page Switching Characteristics Switching Characteristics Operating Characteristics SN74LVC1T45 www.ti.com ..................................................................................................................................................... SCES515I – DECEMBER 2003 – REVISED MAY 2009 over recommended operating free-air temperature range, VCCA = 3.3 V ± 0.3 V (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 2.1 15.5 1.4 8 0.7 5.8 0.7 4.4 A B ns tPHL 2 12.6 1.3 7 0.8 5 0.7 4 tPLH 1.7 8.3 1.3 6.4 0.7 5.8 0.6 5.4 B A ns tPHL 1.8 7.1 1.3 5.4 0.8 5 0.7 4.5 tPHZ 2.9 7.3 3 7.3 2.8 7.3 3.4 7.3 DIR A ns tPLZ 1.8 5.6 1.6 5.6 2.2 5.7 2.2 5.7 tPHZ 5.4 20.5 3.9 10.1 2.9 8.8 2.4 6.8 DIR B ns tPLZ 3.3 14.5 2.9 7.8 2.4 7.1 1.7 4.9 tPZH (1) 22.8 14.2 12.9 10.3 DIR A ns tPZL (1) 27.6 15.5 13.8 11.3 tPZH (1) 21.1 13.6 11.5 10.1 DIR B ns tPZL (1) 19.9 14.3 12.3 11.3 (1) The enable time is a calculated value, derived using the formula shown in the enable times section. over recommended operating free-air temperature range, VCCA = 5 V ±0.5 V (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 1.9 15.1 1 7.5 0.6 5.4 0.5 3.9 A B ns tPHL 1.8 12.2 0.9 6.2 0.7 4.5 0.5 3.5 tPLH 1.4 7.2 1 5.1 0.7 4.4 0.5 3.9 B A ns tPHL 1.7 7 0.9 4.6 0.7 4 0.5 3.5 tPHZ 2.1 5.4 2.2 5.4 2.2 5.5 2.2 5.4 DIR A ns tPLZ 0.9 3.8 1 3.8 1 3.7 0.9 3.7 tPHZ 4.8 20.2 2.5 9.8 1 8.5 2.5 6.5 DIR B ns tPLZ 4.2 14.8 2.5 7.4 2.5 7 1.6 4.5 tPZH (1) 22 12.5 11.4 8.4 DIR A ns tPZL (1) 27.2 14.4 12.5 10 tPZH (1) 18.9 11.3 9.1 7.6 DIR B ns tPZL (1) 17.6 11.6 10 8.6 (1) The enable time is a calculated value, derived using the formula shown in the enable times section. TA = 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 CL = 0 pF, 3 4 4 4 CpdA (1) f = 10 MHz, pF B-port input, A-port output 18 19 20 21 tr = tf = 1 ns A-port input, B-port output CL = 0 pF, 18 19 20 21 CpdB (1) f = 10 MHz, pF B-port input, A-port output 3 4 4 4 tr = tf = 1 ns (1) Power dissipation capacitance per transceiver Copyright © 2003–2009, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Link(s): SN74LVC1T45 |
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