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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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HD74LS162A датащи(PDF) 4 Page - Renesas Technology Corp |
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HD74LS162A датащи(HTML) 4 Page - Renesas Technology Corp |
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4 / 11 page  HD74LS162A Rev.3.00, Jul.15.2005, page 4 of 10 Electrical Characteristics (Ta = –20 to +75 °C) Item Symbol min. typ.* max. Unit Condition VIH 2.0 — — V Input voltage VIL — — 0.8 V VOH 2.7 — — V VCC = 4.75 V, VIH = 2 V, VIL = 0.8 V, IOH = –400 µA — — 0.4 IOL = 4 mA Output voltage VOL — — 0.5 V IOL = 8 mA VCC = 4.75 V, VIH = 2 V, VIL = 0.8 V Data, Enable P — — 20 Load, Clock, Enable T — — 40 Clear IIH — — 40 µA VCC = 5.25 V, VI = 2.7 V Data, Enable P — — –0.4 Load, Clock, Enable T — — –0.8 Clear IIL — –0.8 mA VCC = 5.25 V, VI = 0.4 V Data, Enable P — — 0.1 Load, Clock, Enable T — — 0.2 Input current Clear II — — 0.2 mA VCC = 5.25 V, VI = 7 V Short-circuit output current IOS –20 — –100 mA VCC = 5.25 V ICCH — 18 31 mA VCC = 5.25 V Supply current** ICCL — 19 32 mA VCC = 5.25 V Input clamp voltage VIK — — –1.5 V VCC = 4.75 V, IIN = –18 mA Notes: * VCC = 5 V, Ta = 25°C ** ICCH is measured with the load input high, then again with the load input low, with all other inputs high and all outputs open. ICCL is measured with the clock input high, then again with the clock input low, with all other inputs low and all outputs open. Switching Characteristics (VCC = 5 V, Ta = 25°C) Item Symbol Inputs Outputs min. typ. max. Unit Condition Maximum clock frequency ƒmax Clock QA to QD 25 32 — MHz tPLH — 20 35 ns tPHL Clock Ripple Carry — 18 35 ns tPLH — 13 24 ns tPHL Clock (Load = “H”) QA to QD — 18 27 ns tPLH — 13 24 ns tPHL Clock (Load = “L”) QA to QD — 18 27 ns tPLH — 9 14 ns tPHL Enable T Ripple Carry — 9 14 ns Propagation delay time tPHL Clear QA to QD — 20 28 ns CL = 15 pF, RL = 2 k Ω |
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