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54ACT11470 Datasheet(PDF) 4 Page - Texas Instruments |
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54ACT11470 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 7 page 54ACT11470, 74ACT11470 8BIT REGISTERED BUS TRANSCEIVERS WITH 3STATE OUTPUTS SCAS207 − D4016, APRIL 1993 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 2−4 timing requirements over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1) TA = 25°C 54ACT11470 74ACT11470 UNIT MIN MAX MIN MAX MIN MAX UNIT fclock Clock frequency 0 90 0 90 0 90 MHz tw Pulse duration CLK high or low 5.5 5.5 5.5 ns tsu Setup time Data before CLK ↑ 2 2 2 ns tsu Setup time Data before CEAB ↑ or CEBA↑ 2 2 2 ns th Hold time Data after CLK ↑ 3 3 3 ns th Hold time Data after CEAB ↑ or CEBA↑ 3 3 3 ns switching characteristics over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1) PARAMETER FROM TO TA = 25°C 54ACT11470 74ACT11470 UNIT PARAMETER FROM (INPUT) TO (OUTPUT) MIN TYP MAX MIN MAX MIN MAX UNIT fmax 90 90 90 MHz tPLH CLKAB or CLKBA A or B 3.4 7.3 9 3.4 10.7 3.4 10.1 ns tPHL CLKAB or CLKBA A or B 4.2 8.3 10.2 4.2 12 4.2 11.4 ns tPZH OEAB or OEBA B or A 3 7 9.5 3 11.5 3 10.5 ns tPZL OEAB or OEBA B or A 4.3 8.6 11.4 4.3 15 4.3 13.7 ns tPHZ OEAB or OEBA B or A 4.5 7.9 9.6 4.5 11 4.5 10.5 ns tPLZ OEAB or OEBA B or A 5.1 7.7 9.5 5.1 10.7 5.1 10.2 ns tPZH CEAB or CEBA B or A 3.4 7.3 10 3.4 12 3.4 11.1 ns tPZL CEAB or CEBA B or A 4.6 9 11.9 4.6 15.5 4.6 14.2 ns tPHZ CEAB or CEBA B or A 4.8 7.9 9.9 4.8 11.4 4.8 10.9 ns tPLZ CEAB or CEBA B or A 5.1 7.9 9.8 5.1 11.2 5.1 10.7 ns operating characteristics, VCC = 5 V, TA = 25°C PARAMETER TEST CONDITIONS TYP UNIT Cpd Power dissipation capacitance per transceiver Outputs enabled CL = 50 pF, f = 1 MHz 41 pF Cpd Power dissipation capacitance per transceiver Outputs disabled CL = 50 pF, f = 1 MHz 27 pF 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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