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SN74LV221ADE4 数据表(PDF) 9 Page - Texas Instruments |
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SN74LV221ADE4 数据表(HTML) 9 Page - Texas Instruments |
9 / 22 page SN54LV221A, SN74LV221A DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT TRIGGER INPUTS SCLS450G − DECEMBER 1999 − REVISED APRIL 2005 9 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 PARAMETER MEASUREMENT INFORMATION 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 + 3 ns, tf + 3 ns. C. The outputs are measured one at a time, with one input transition per measurement. 50% VCC tPLH tPHL VOH VOL VCC 50% VCC 50% VCC VCC Input A (see Note B) 50% VCC 0 V 0 V In-Phase Output Out-of-Phase Output VOLTAGE WAVEFORMS DELAY TIMES Input B (see Note B) VOL VOH LOAD CIRCUIT Test Point CL (see Note A) From Output Under Test 50% VCC tPLH tPHL tPHL tPLH VOH VOH VOL VOL VCC 0 V 50% VCC Input CLR (see Note B) Out-of-Phase Output In-Phase Output VOLTAGE WAVEFORMS DELAY TIMES 50% VCC 50% VCC 50% VCC 50% VCC VCC 0 V tw VOLTAGE WAVEFORMS PULSE DURATION Inputs or Outputs 50% VCC 50% VCC Figure 1. Load Circuit and Voltage Waveforms |
类似零件编号 - SN74LV221ADE4 |
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类似说明 - SN74LV221ADE4 |
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