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74ACT16648 Datasheet(PDF) 8 Page - Texas Instruments |
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74ACT16648 Datasheet(HTML) 8 Page - Texas Instruments |
8 / 10 page 54ACT16648, 74ACT16648 16BIT TRANSCEIVERS AND REGISTERS WITH 3STATE OUTPUTS SCAS188A − MAY 1991 − REVISED APRIL 1996 8 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 switching characteristics over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 2) PARAMETER FROM TO TA = 25°C 54ACT16648 74ACT16648 UNIT PARAMETER FROM (INPUT) TO (OUTPUT) MIN TYP MAX MIN MAX MIN MAX UNIT fmax 75 75 75 MHz tPLH A or B B or A 2.4 7.2 9.8 2.4 11 2.4 11 ns tPHL A or B B or A 3.8 7.7 10.1 3.8 11.2 3.8 11.2 ns tPZH OE A or B 2.9 7.9 10.7 2.9 12 2.9 12 ns tPZL OE A or B 3.6 9.1 12.1 3.6 13.7 3.6 13.7 ns tPHZ OE A or B 5.2 8.1 9.7 5.2 10.4 5.2 10.4 ns tPLZ OE A or B 4.7 7.3 9.1 4.7 9.9 4.7 9.9 ns tPLH CLKBA or CLKAB A or B 4.4 8.5 11.3 4.4 12.7 4.4 12.7 ns tPHL CLKBA or CLKAB A or B 4.6 8.8 11.4 4.6 12.7 4.6 12.7 ns tPLH SBA or SAB† A or B 3.8 7.5 10 3.8 11.3 3.8 11.3 ns tPHL SBA or SAB† (with A or B high) A or B 5.1 11.4 12.7 5.1 16.6 5.1 16.6 ns tPLH SBA or SAB† A or B 4.5 10.6 13.9 4.5 15.8 4.5 15.8 ns tPHL SBA or SAB† (with A or B low) A or B 4.3 8.3 10.8 4.3 11.9 4.3 11.9 ns tPZH DIR A or B 2.8 7.8 10.7 2.8 11.9 2.8 11.9 ns tPZL DIR A or B 3.7 9.3 12.2 3.7 13.7 3.7 13.7 ns tPHZ DIR A or B 4.6 8.6 10.9 4.6 11.5 4.6 11.5 ns tPLZ DIR A or B 4 7.4 9.7 4 10.4 4 10.4 ns † These parameters are measured with the internal output state of the storage registers opposite that of the bus input. 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 63 pF Cpd Power dissipation capacitance per transceiver Outputs disabled CL = 50 pF, f = 1 MHz 14 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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