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SN74ABT162500DLG4 데이터시트(PDF) 7 Page - Texas Instruments |
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SN74ABT162500DLG4 데이터시트(HTML) 7 Page - Texas Instruments |
7 / 12 page SN54ABT162500, SN74ABT162500 18-BIT UNIVERSAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SCBS242E – JUNE 1992 – REVISED FEBRUARY 1999 7 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 timing requirements over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 1) SN54ABT162500 SN74ABT162500 UNIT MIN MAX MIN MAX UNIT fclock Clock frequency 150 150 MHz t Pulse duration LEAB or LEBA high 2.5 2.5 ns tw Pulse duration CLKAB or CLKBA high or low 3 3 ns A before CLKAB ↓ 3.3 3.3 t Setup time B before CLKBA ↓ 3.3 3.3 ns tsu Setup time A before LEAB ↓ or B before LEBA↓ CLK high 1 1 ns A before LEAB ↓ or B before LEBA↓ CLK low 2.5 2.5 th Hold time A after CLKAB ↓ or B after CLKBA↓ 0 0 ns th Hold time A after LEAB ↓ or B after LEBA↓ 2 2 ns switching characteristics over recommended ranges of supply voltage and operating free-air temperature, CL = 50 pF (unless otherwise noted) (see Figure 1) PARAMETER FROM (INPUT) TO (OUTPUT) VCC = 5 V, TA = 25°C SN54ABT162500 SN74ABT162500 UNIT (INPUT) (OUTPUT) MIN TYP MAX MIN MAX MIN MAX fmax 150 200 150 150 MHz tPLH AorB BorA 1.5 2.6 4 1.5 5.1 1.5 4.8 ns tPHL A or B B or A 2 3.4 5.2 2 6.1 2 5.7 ns tPLH LEAB or LEBA BorA 2 3.3 4.8 2 6.1 2 5.6 ns tPHL LEAB or LEBA B or A 2 3.8 5.2 2 6.4 2 5.9 ns tPLH CLKAB or CLKBA BorA 1.5 3.7 4.9 1.5 6.4 1.5 5.9 ns tPHL CLKAB or CLKBA B or A 1.5 3.8 5.2 1.5 6.4 1.5 6 ns tPZH OEAB or OEBA BorA 1.5 3.4 4.6 1.5 5.6 1.5 5.3 ns tPZL OEAB or OEBA B or A 2 3.8 4.7 2 5.6 2 5.4 ns tPHZ OEAB or OEBA BorA 2 4.5 5.7 2 6.9 2 6.5 ns tPLZ OEAB or OEBA B or A 1.5 3.8 5.3 1.5 6.3 1.5 5.8 ns 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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