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SN74LVT16646DGG Datasheet(PDF) 8 Page - Texas Instruments |
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SN74LVT16646DGG Datasheet(HTML) 8 Page - Texas Instruments |
8 / 10 page SN54LVT16646, SN74LVT16646 3.3-V ABT 16-BIT BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SCBS149C – JULY 1994 – REVISED JULY 1995 8 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 timing requirements over recommended operating free-air temperature range (unless otherwise noted) (see Figure 2) SN54LVT16646 SN74LVT16646 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 fclock Clock frequency 0 150 0 150 0 150 0 150 MHz tw Pulse duration, CLK high or low 3.3 3.3 3.3 3.3 ns t Setup time, Data high 1.3 1.4 1.3 1.4 ns tsu , A or B before CLKAB ↑ or CLKBA↑ Data low 2.4 3 2.4 3 ns th Hold time, Data high 0.5 0 0.5 0 ns th A or B after CLKAB ↑ or CLKBA↑ Data low 0.6 0.5 0.5 0.5 ns switching characteristics over recommended operating free-air temperature range, CL = 50 pF (unless otherwise noted) (see Figure 2) SN54LVT16646 SN74LVT16646 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 MIN MAX MIN MAX MIN TYP† MAX MIN MAX fmax 150 150 MHz tPLH CLKBA or AorB 1.8 6 6.9 1.8 3.8 5.7 6.7 ns tPHL CLKAB A or B 2.1 5.9 6.6 2.1 3.9 5.7 6.5 ns tPLH AorB BorA 1.3 4.9 5.6 1.3 3 4.7 5.4 ns tPHL A or B B or A 1 4.8 5.8 1 3.1 4.7 5.6 ns tPLH SBA or SAB‡ AorB 1.4 6.4 7.4 1.4 4 6.2 7.2 ns tPHL SBA or SAB‡ A or B 1.4 6.4 7.4 1.4 4.3 6.2 7.2 ns tPZH OE AorB 1 5.7 7.4 1 3 5.4 6.4 ns tPZL OE A or B 1 6.5 7.5 1 3.1 5.6 6.5 ns tPHZ OE AorB 2.3 6.7 7.1 2.3 4.6 6.5 6.9 ns tPLZ OE A or B 2.2 6 6.5 2.2 4.5 5.8 5.9 ns tPZH DIR AorB 1 5.9 7.7 1 3.3 5.7 6.7 ns tPZL DIR A or B 1.2 5.9 7.3 1.2 3.5 5.8 6.7 ns tPHZ DIR AorB 1.7 7.3 8.5 1.7 4.7 7.2 8.3 ns tPLZ DIR A or B 1.5 7.8 7.4 1.5 4.9 6.6 7.2 ns † All typical values are at VCC = 3.3 V, TA = 25°C. ‡ These parameters are measured with the internal output state of the storage register opposite to that of the bus input. 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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