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CD54HC4017F Datasheet(PDF) 7 Page - Texas Instruments |
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CD54HC4017F Datasheet(HTML) 7 Page - Texas Instruments |
7 / 12 page CD54HC4017 DECADE COUNTER/DIVIDER WITH TEN DECODED OUTPUTS SGDS011 – MAY 1999 7 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 PARAMETER MEASUREMENT INFORMATION VOLTAGE WAVEFORMS SETUP AND HOLD AND INPUT RISE AND FALL TIMES VOLTAGE WAVEFORMS PULSE DURATIONS th tsu 50% VCC 50% 50% 10% 10% 90% 90% VCC VCC 0 V 0 V tr tf Reference Input Data Input 50% VCC High-Level Pulse 50% VCC VCC 0 V VCC 0 V tw Low-Level Pulse VOLTAGE WAVEFORMS PROPAGATION DELAY AND OUTPUT TRANSITION TIMES 50% VCC 50% 50% 10% 10% 90% 90% VCC VOH VOL 0 V tr tf Input In-Phase Output 50% VCC tPLH tPHL 50% 50% 10% 10% 90% 90% VOH VOL tr tf tPHL tPLH Out-of- Phase Output 50% VCC 10% 90% VCC ≈ VCC VOL 0 V Output Control Output Waveform 1 (See Note B) 50% VCC tPZL tPLZ VOLTAGE WAVEFORMS ENABLE AND DISABLE TIMES FOR 3-STATE OUTPUTS VOH ≈ 0 V 50% 50% tPZH tPHZ Output Waveform 2 (See Note B) ≈ VCC Test Point From Output Under Test VCC S1 S2 LOAD CIRCUIT PARAMETER tPZH tpd or tt tdis ten tPZL tPHZ tPLZ Open Closed S1 Closed Open S2 Open Closed Closed Open Open Open NOTES: A. CL includes probe and test-fixture capacitance. B. Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control. Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control. C. Phase relationships between waveforms were chosen arbitrarily. All input pulses are supplied by generators having the following characteristics: PRR ≤ 1 MHz, ZO = 50 Ω, tr = 6 ns, tf = 6 ns. D. The outputs are measured one at a time with one input transition per measurement. E. tPLZ and tPHZ are the same as tdis. F. tPZL and tPZH are the same as ten. G. tPLH and tPHL are the same as tpd. CL (see Note A) 50% VCC 50% VCC 1 k Ω Figure 1. Load Circuit and Voltage Waveforms |
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