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SN74AC74DBRE4 数据表(PDF) 6 Page - Texas Instruments |
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SN74AC74DBRE4 数据表(HTML) 6 Page - Texas Instruments |
6 / 17 page SN54AC74, SN74AC74 DUAL POSITIVEEDGETRIGGERED DTYPE FLIPFLOPS WITH CLEAR AND PRESET SCAS521F − AUGUST 1995 − REVISED OCTOBER 2003 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 PARAMETER MEASUREMENT INFORMATION 50% VCC 50% VCC 50% VCC 50% VCC VCC VCC 0 V 0 V th tsu VOLTAGE WAVEFORMS Data Input tPLH tPHL tPHL tPLH VOH VOH VOL VOL 50% VCC 50% VCC VCC 0 V 50% VCC 50% VCC Input Out-of-Phase Output In-Phase Output Timing Input 50% VCC VOLTAGE WAVEFORMS From Output Under Test CL = 50 pF (see Note A) LOAD CIRCUIT S1 2 × VCC 500 Ω 500 Ω Open tPLH/tPHL Open TEST S1 VCC 0 V 50% VCC 50% VCC tw VOLTAGE WAVEFORMS Input NOTES: A. CL includes probe and jig capacitance. B. All input pulses are supplied by generators having the following characteristics: PRR ≤ 1 MHz, ZO = 50 Ω, tr v 2.5 ns, tf v 2.5 ns. C. The outputs are measured one at a time with one input transition per measurement. Figure 1. Load Circuit and Voltage Waveforms |
类似零件编号 - SN74AC74DBRE4 |
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类似说明 - SN74AC74DBRE4 |
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