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HD74LS145FPEL Datasheet(PDF) 3 Page - Renesas Technology Corp |
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HD74LS145FPEL Datasheet(HTML) 3 Page - Renesas Technology Corp |
3 / 6 page HD74LS145 Rev.3.00, Jul.13.2005, page 3 of 5 Recommended Operating Conditions Item Symbol Min Typ Max Unit Supply voltage VCC 4.75 5.00 5.25 V Off-state output voltage VO(off) — — 15 V Low level output current IOL — — 80 mA Operating temperature Topr –20 25 75 °C Electrical Characteristics (Ta = –20 to +75 °C) Item Symbol min. typ.* max. Unit Condition VIH 2.0 — — V Input voltage VIL — — 0.8 V Off-state output current IO(off) — — 250 µA VCC = 4.75 V, VIH = 2 V, VIL = 0.8 V, VO(off) = 15 V — — 0.4 IOL = 12 mA — — 0.5 IOL = 24 mA On-state output voltage VO(on) — — 3.0 V IOL = 80 mA VCC = 4.75 V, VIH = 2 V, VIL = 0.8 V IIH — — 20 µA VCC = 5.25 V, VI = 2.7 V IIL — — –0.4 mA VCC = 5.25 V, VI = 0.4 V Input current II — — 0.1 mA VCC = 5.25 V, VI = 7 V Supply current** ICC — 7 13 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 ** ICC is measured with all outputs open and all inputs grounded. Switching Characteristics (VCC = 5 V, Ta = 25°C) Item Symbol min. typ. max. Unit Condition tPLH — — 50 Propagation delay time tPHL — — 50 ns CL = 45 pF, RL = 665 Ω |
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