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HCF4038BF Scheda tecnica(PDF) 6 Page - STMicroelectronics |
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HCF4038BF Scheda tecnica(HTML) 6 Page - STMicroelectronics |
6 / 11 page DYNAMIC ELECTRICAL CHARACTERISTICS (T amb =25°C, CL = 50pF, RL = 200kΩ, all input rise and fall time = 20ns) Val ue Symbol Parameter Test Conditions V DD (V) Min. Typ. Max. Unit t PHL , t PLH Propagation Delay Time A, B, or Inverter Inputs to Sum Outputs 5260 520 ns 10 120 240 15 90 180 t PHL, t PL H Propagation Delay Time (clock input to sum outputs) 5325 650 10 175 350 15 150 300 t THL, t THL Transition Time 5 100 200 ns 10 50 100 15 40 80 t hold Data Input Hold Time (clock edge to A, B, or reset inputs) 5120 200 ns 10 50 80 15 40 60 f max Maximum Clock Input Frequency 5 2.5 4.5 MHz 10 5 10 15 7.5 15 t r,tf* Clock Input Rise or Fall Time 5 500 µs 10 500 15 500 * If more than one unit is cascaded tr should be made less than or equal to the sum of the transition time and the fixed propa- gation delay of the output of the driving state for the estimated capacitive load. Typical Output Low (sink) Current. Minimum Output Low (sink) Current Charac- teristics. HCC/HCF4032B/4038B 6/11 |
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