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CD74HC03MT 데이터시트(PDF) 5 Page - Texas Instruments |
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CD74HC03MT 데이터시트(HTML) 5 Page - Texas Instruments |
5 / 9 page 5 Power Dissipation Capacitance (Notes 5, 6) CPD - 5 - 9 - ---- pF NOTES: 5. CPD is used to determine the dynamic power consumption, per gate. 6. PD = CPD VCC 2 f i + Σ (CL VCC 2 f o) + Σ (VL 2/R L) (Duty Factor “Low”) where fi = input frequency, fo = output frequency, CL = output load capacitance, VCC = supply voltage, Duty Factor “Low” = percent of time output is “low”, VL = output voltage, RL = pull-up resistor. Switching Specifications Input tr, tf = 6ns (Continued) PARAMETER SYMBOL TEST CONDITIONS VCC (V) 25oC -40oC TO 85oC -55oC TO 125oC UNITS MIN TYP MAX MIN MAX MIN MAX Test Circuits and Waveforms FIGURE 1. TRANSITION TIMES, PROPAGATION DELAY TIMES, AND TEST CIRCUIT FIGURE 2. MINIMUM RESISTIVE LOAD vs LOAD VOLTAGE FIGURE 3. HC AND HCU TRANSITION TIMES AND PROPAGA- TION DELAY TIMES, COMBINATION LOGIC FIGURE 4. HCT TRANSITION TIMES AND PROPAGATION DELAY TIMES, COMBINATION LOGIC INPUT LEVEL VS tPZL VOH OUTPUT 1k Ω VCC 50pF VOL 90% 10% tTHL OUTPUT OPEN DRAIN NAND GATE VCC nB(nA) OUTPUT nY tPLZ nA(nB) VS LOW OFF LOW RL VL VO VCC = 5V ±10% HC/HCT03 VL RL RON VO 0.8V (HCT VIL MAX) ≤ 1.35V (HC VIL MAX) RON MAX = 65 Ω AT 25oC 4mA = 0.26V 800 700 600 500 400 300 200 100 0123456789 10 VL, LOAD VOLTAGE (V) HC HCT tPHL tPLH tTHL tTLH 90% 50% 10% 50% 10% INVERTING OUTPUT INPUT GND VCC tr = 6ns tf = 6ns 90% tPHL tPLH tTHL tTLH 2.7V 1.3V 0.3V 1.3V 10% INVERTING OUTPUT INPUT GND 3V tr = 6ns tf = 6ns 90% CD54HC03, CD74HC03, CD54HCT03, CD74HCT03 |
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