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SN74LVC2T45DCUR Datasheet(PDF) 6 Page - Texas Instruments |
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SN74LVC2T45DCUR Datasheet(HTML) 6 Page - Texas Instruments |
6 / 22 page SN74LVC2T45 DUALBIT DUALSUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3STATE OUTPUTS SCES516E − DECEMBER 2003 − REVISED MAY 2004 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 switching characteristics over recommended operating free-air temperature range, VCCA = 1.8 V ± 0.15 V (unless otherwise noted) (see Figure 1) PARAMETER FROM (INPUT) TO (OUTPUT) VCCB = 1.8 V ± 0.15 V VCCB = 2.5 V ± 0.2 V VCCB = 3.3 V ± 0.3 V VCCB = 5 V ± 0.5 V UNIT PARAMETER (INPUT) (OUTPUT) MIN MAX MIN MAX MIN MAX MIN MAX UNIT tPLH A B 3 17.7 2.2 10.3 1.7 8.3 1.4 7.2 ns tPHL A B 2.8 14.3 2.2 8.5 1.8 7.1 1.7 7 ns tPLH B A 3 17.7 2.3 16 2.1 15.5 1.9 15.1 ns tPHL B A 2.8 14.3 2.1 12.9 2 12.6 1.8 12.2 ns tPHZ DIR A 10.6 30.9 10.3 30.5 10.5 30.5 10.7 29.3 ns tPLZ DIR A 7.3 19.7 7.5 19.6 7.5 19.5 7 19.4 ns tPHZ DIR B 10 27.9 8.4 14.9 6.5 11.3 4.1 8.6 ns tPLZ DIR B 6.5 19.5 7.2 12.6 4.3 9.7 2.1 7.1 ns tPZH† DIR A 37.2 28.6 25.2 22.2 ns tPZL† DIR A 42.2 27.8 23.9 20.8 ns tPZH† DIR B 37.4 29.9 27.8 26.6 ns tPZL† DIR B 45.2 39 37.6 36.3 ns † The enable time is a calculated value, derived using the formula shown in the section entitled enable times on page 16. switching characteristics over recommended operating free-air temperature range, VCCA = 2.5 V ± 0.2 V (unless otherwise noted) (see Figure 1) PARAMETER FROM (INPUT) TO (OUTPUT) VCCB = 1.8 V ± 0.15 V VCCB = 2.5 V ± 0.2 V VCCB = 3.3 V ± 0.3 V VCCB = 5 V ± 0.5 V UNIT PARAMETER (INPUT) (OUTPUT) MIN MAX MIN MAX MIN MAX MIN MAX UNIT tPLH A B 2.3 16 1.5 8.5 1.3 6.4 1.1 5.1 ns tPHL A B 2.1 12.9 1.4 7.5 1.3 5.4 0.9 4.6 ns tPLH B A 2.2 10.3 1.5 8.5 1.4 8 1 7.5 ns tPHL B A 2.2 8.5 1.4 7.5 1.3 7 0.9 6.2 ns tPHZ DIR A 6.6 17.1 7.1 16.8 6.8 16.8 5.2 16.5 ns tPLZ DIR A 5.3 12.6 5.2 12.5 4.9 12.3 4.8 12.3 ns tPHZ DIR B 10.7 27.9 8.1 13.9 5.8 10.5 3.5 7.6 ns tPLZ DIR B 7.8 18.9 6.2 11.2 3.6 8.9 1.4 6.2 ns tPZH† DIR A 29.2 19.7 16.9 13.7 ns tPZL† DIR A 36.4 21.4 17.5 13.8 ns tPZH† DIR B 28.6 21 18.7 17.4 ns tPZL† DIR B 30 24.3 22.2 21.1 ns † The enable time is a calculated value, derived using the formula shown in the section entitled enable times on page 16. |
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