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SN74AS821NT 数据表(PDF) 5 Page - Texas Instruments |
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SN74AS821NT 数据表(HTML) 5 Page - Texas Instruments |
5 / 6 page SN54AS821, SN54AS822, SN74AS821, SN74AS822 10-BIT BUS INTERFACE FLIP-FLOPS WITH 3-STATE OUTPUTS SDAS230 – D2825, DECEMBER 1983 – REVISED JANUARY 1986 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 5 switching characteristics (see Note 1) VCC = 4.5 V to 5.5 V, CL = 50 pF, R1 = 500 Ω, PARAMETER FROM TO R2 = 500 Ω, UNIT PARAMETER (INPUT) (OUTPUT) TA = MIN to MAX† UNIT SN54AS821 SN54AS822 SN74AS821 SN74AS822 MIN MAX MIN MAX tPLH CLK Any Q 3.5 9 3.5 7.5 ns tPHL CLK Any Q 3.5 11.5 3.5 10.5 ns tPZH OC Any Q 4 12 4 11 ns tPZL OC Any Q 4 13 4 12 ns tPHZ OC Any Q 2 10 2 8 ns tPZL OC Any Q 2 10 2 8 ns † For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions. NOTE 1: Load circuit and voltage waveforms are shown in Section 1. |
类似零件编号 - SN74AS821NT |
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类似说明 - SN74AS821NT |
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