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SN74ALS645ANSR 数据表(PDF) 5 Page - Texas Instruments |
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SN74ALS645ANSR 数据表(HTML) 5 Page - Texas Instruments |
5 / 20 page SN54ALS645A, SN54AS645, SN74ALS645A, SN74AS645 OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SDAS278 – JANUARY 1995 5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 switching characteristics (see Figure 1) PARAMETER FROM (INPUT) TO (OUTPUT) VCC = 4.5 V to 5.5 V, CL = 50 pF, R1 = 500 Ω, R2 = 500 Ω, TA = MIN to MAX† UNIT SN54AS645 SN74AS645 MIN MAX MIN MAX tPLH AorB BorA 2 11 2 9.5 ns tPHL A or B B or A 2 10.5 2 9 ns tPZH OE AorB 2 12 2 11 ns tPZL OE A or B 2 12 2 10 ns tPHZ OE AorB 2 8 2 7 ns tPLZ OE A or B 2 13 2 12 ns † For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions. |
类似零件编号 - SN74ALS645ANSR |
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类似说明 - SN74ALS645ANSR |
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