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CD74HC4515ME4 Datasheet(PDF) 5 Page - Texas Instruments |
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CD74HC4515ME4 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 14 page 5 E to Outputs tPHL, tPLH CL = 50pF 2 - - 175 - 220 - 265 ns 4.5 - - 35 - 44 - 53 ns CL = 15pF 5 - 14 - - - - - ns CL = 50pF 6 - - 30 - 37 - 45 ns Output Transition Time tTHL, tTLH CL = 50pF 2 - - 75 - 95 - 110 ns 4.5 - - 15 - 19 - 22 ns 6 - - 13 - 16 - 19 ns Input Capacitance CIN CL = 50pF - 10 - 10 - 10 - 10 pF Power Dissipation Capacitance (Notes 3, 4) CPD -5 - 70 - - - - - pF NOTES: 3. CPD is used to determine the dynamic power consumption, per package. 4. PD = VCC 2 f i (CPD + CL) where fi = Input Frequency, CL = Output Load Capacitance, VCC = Supply Voltage. Switching Specifications CL = 50pF, 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 NOTE: Outputs should be switching from 10% VCC to 90% VCC in accordance with device truth table. For fMAX, input duty cycle = 50%. FIGURE 1. HC CLOCK PULSE RISE AND FALL TIMES AND PULSE WIDTH FIGURE 2. HC TRANSITION TIMES AND PROPAGATION DELAY TIMES, COMBINATION LOGIC FIGURE 3. HC TRANSITION TIMES AND PROPAGATION DELAY TIMES, COMBINATION LOGIC CLOCK 90% 50% 10% GND VCC trCL tfCL 50% 50% tWL tWH 10% tWL + tWH = fCL I tPHL tPLH tTHL tTLH 90% 50% 10% 50% 10% INVERTING OUTPUT INPUT GND VCC tr = 6ns tf = 6ns 90% tPHL tPLH tTHL tTLH 90% 50% 10% 50% 10% INVERTING OUTPUT INPUT GND VCC tr = 6ns tf = 6ns 90% CD54HC4514, CD74HC4514, CD74HC4515 |
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