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MC74HCXXXXN Datasheet(PDF) 5 Page - Motorola, Inc |
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MC74HCXXXXN Datasheet(HTML) 5 Page - Motorola, Inc |
5 / 13 page MC54/74HC4351 MC54/74HC4353 High–Speed CMOS Logic Data DL129 — Rev 6 5 MOTOROLA TIMING REQUIREMENTS (Input tr = tf = 6 ns) Symbol Parameter VCC V Guaranteed Limit Unit Symbol Parameter VCC V – 55 to 25 _C v 85_C v 125_C Unit tsu Minimum Setup Time, Channel–Select to Latch Enable (Figure 12) 2.0 4.5 6.0 100 20 17 125 25 21 150 30 26 ns th Minimum Hold Time, Latch Enable to Channel Select (Figure 12) 2.0 4.5 6.0 0 0 0 0 0 0 0 0 0 ns tw Minimum Pulse Width, Latch Enable (Figure 12) 2.0 4.5 6.0 80 16 14 100 20 17 120 24 20 ns tr, tf Maximum Input Rise and Fall Times, Channel–Select, Latch Enable, and Enables 1 and 2 2.0 4.5 6.0 1000 500 400 1000 500 400 1000 500 400 ns NOTE: Information on typical parametric values can be found in Chapter 2 of the Motorola High–Speed CMOS Data Book (DL129/D). ADDITIONAL APPLICATION CHARACTERISTICS (GND = 0.0 V) Symbol Parameter Test Condition VCC V VEE V Limit* Unit Symbol Parameter Test Condition VCC V VEE V 25 _C 54/74HC Unit BW Maximum On–Channel Bandwidth or Minimum Frequency Response (Figure 6) fin = 1 MHz Sine Wave Adjust fin Voltage to Obtain 0 dBm at VOS Increase fin Frequency Until dB Meter Reads – 3 dB RL = 50 Ω, CL = 10 pF 51 52 53 MHz Minimum Frequency Response (Figure 6) Adjust fin Voltage to Obtain 0 dBm at VOS Increase fin Frequency Until dB Meter Reads – 3 dB RL = 50 Ω, CL = 10 pF 2.25 4.50 6.00 – 2.25 – 4.50 – 6.00 80 95 120 80 95 120 80 95 120 — Off–Channel Feedthrough Isolation (Figure 7) fin Sine Wave Adjust fin Voltage to Obtain 0 dBm at VIS fin = 10 kHz, RL = 600 Ω, CL = 50 pF 2.25 4.50 6.00 – 2.25 – 4.50 – 6.00 – 50 – 50 – 50 dB fin = 1.0 MHz, RL = 50 Ω, CL = 10 pF 2.25 4.50 6.00 – 2.25 – 4.50 – 6.00 – 40 – 40 – 40 — Feedthrough Noise, Channel Select Input to Common O/I (Figure 8) Vin v 1 MHz Square Wave (tr = tf = 6 ns) Adjust RL at Setup so that IS = 0 A Enable = GND RL = 600 Ω, CL = 50 pF 2.25 4.50 6.00 – 2.25 – 4.50 – 6.00 25 105 135 mVPP RL = 10 kΩ, CL = 10 pF 2.25 4.50 6.00 – 2.25 – 4.50 – 6.00 35 145 190 — Crosstalk Between Any Two Switches (Figure 13) (Test does not apply to HC4351) fin Sine Wave Adjust fin Voltage to Obtain 0 dBm at VIS fin = 10 kHz, RL = 600 Ω, CL = 50 pF 2.25 4.50 6.00 – 2.25 – 4.50 – 6.00 – 50 – 50 – 50 dB fin = 1 MHz, RL = 50 Ω, CL = 10 pF 2.25 4.50 6.00 – 2.25 – 4.50 – 6.00 – 60 – 60 – 60 THD Total Harmonic Distortion (Figure 15) fin = 1 kHz, RL = 10 kΩ, CL = 50 pF THD = THDMeasured – THDSource VIS = 4.0 VPP sine wave VIS = 8.0 VPP sine wave VIS = 11.0 VPP sine wave 2.25 4.50 6.00 – 2.25 – 4.50 – 6.00 0.10 0.08 0.05 % * Limits not tested. Determined by design and verified by qualification. |
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