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SN54LVTH543 Datasheet(PDF) 6 Page - Texas Instruments |
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SN54LVTH543 Datasheet(HTML) 6 Page - Texas Instruments |
6 / 14 page SN54LVTH543, SN74LVTH543 3.3V ABT OCTAL REGISTERED TRANSCEIVERS WITH 3STATE OUTPUTS SCBS704F − AUGUST 1997 − REVISED OCTOBER 2003 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 timing requirements over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1) SN54LVTH543 SN74LVTH543 VCC = 3.3 V ± 0.3 V VCC = 2.7 V VCC = 3.3 V ± 0.3 V VCC = 2.7 V UNIT MIN MAX MIN MAX MIN MAX MIN MAX tw Pulse duration, LEAB or LEBA low 3.3 3.3 3.3 3.3 ns A or B before Data high 0.4 0.4 0.4 0.4 tsu Setup time A or B before LEAB or LEBA ↑ Data low 1 1.5 1 1.5 ns tsu Setup time A or B before Data high 0.2 0.2 0.2 0.2 ns A or B before CEAB or CEBA ↑ Data low 0.7 1.2 0.7 1.2 A or B after Data high 1.5 0.6 1.5 0.6 th Hold time A or B after LEAB or LEBA ↑ Data low 1.3 1.5 1.3 1.5 ns th Hold time A or B after Data high 1.6 0.5 1.6 0.5 ns A or B after CEAB or CEBA ↑ Data low 1.4 1.6 1.4 1.6 switching characteristics over recommended operating free-air temperature range, CL = 50 pF (unless otherwise noted) (see Figure 1) SN54LVTH543 SN74LVTH543 PARAMETER FROM (INPUT) TO (OUTPUT) VCC = 3.3 V ± 0.3 V VCC = 2.7 V VCC = 3.3 V ± 0.3 V VCC = 2.7 V UNIT (INPUT) (OUTPUT) MIN MAX MIN MAX MIN TYP† MAX MIN MAX tPLH A or B B or A 1.2 3.9 4.5 1.3 2.5 3.7 4.3 ns tPHL A or B B or A 1.2 3.9 4.5 1.3 2.5 3.7 4.3 ns tPLH LE A or B 1.2 5.1 6.1 1.3 2.9 4.7 5.9 ns tPHL LE A or B 1.2 5.1 6.1 1.3 2.9 4.7 5.9 ns tPZH OE A or B 1 5.1 6.4 1.1 2.9 4.9 6.2 ns tPZL OE A or B 1 5.1 6.4 1.1 3.2 4.9 6.2 ns tPHZ OE A or B 1.9 5.6 6.2 2 3.4 5.3 5.9 ns tPLZ OE A or B 1.9 5.6 6.2 2 3.7 5.3 5.9 ns tPZH CE A or B 1.2 5.5 7 1.3 3.2 5.3 6.8 ns tPZL CE A or B 1.2 5.5 7 1.3 3.5 5.3 6.8 ns tPHZ CE A or B 2.2 5.7 6.2 2.3 3.8 5.4 5.9 ns tPLZ CE A or B 2.2 5.7 5.9 2.3 3.9 5.4 5.6 ns † All typical values are at VCC = 3.3 V, TA = 25°C. PRODUCT PREVIEW information concerns products in the formative or design phase of development. Characteristic data and other specifications are design goals. Texas Instruments reserves the right to change or discontinue these products without notice. |
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