器件名称:
74HC51
功能描述:
2-wide 2-input, 2-wide 3-input AND-OR-INVERT Gate
文件大小:
46.57KB 共8页
简 介:
HD74HC51 2-wide 2-input, 2-wide 3-input AND-OR-INVERT Gate Features High Speed Operation: tpd = 10.5 ns typ (CL = 50 pF) High Output Current: Fanout of 10 LSTTL Loads Wide Operating Voltage: VCC = 2 to 6 V Low Input Current: 1 A max Low Quiescent Supply Current: ICC (static) = 1 A max (Ta = 25°C) Pin Arrangement 1A 1 2A 2 2B 3 2C 4 2D 5 2Y 6 GND 7 (Top view) 14 VCC 13 1C 12 1B 11 1F 10 1E 9 1D 8 1Y HD74HC51 DC Characteristics Ta = 25°C Item Input voltage Symbol VIH Ta = –40 to +85°C Max — — — 0.5 1.35 1.8 — — — — — 0.1 0.1 0.1 0.33 0.33 ±1.0 10 A A I OL = 4 mA I OL = 5.2 mA Vin = VCC or GND Vin = VCC or GND, Iout = 0 A V I OH = –4 mA I OH = –5.2 mA Vin = VIH or VIL I OL = 20 A V Vin = VIH or VIL I OH = –20 A V Unit V Test Conditions VCC (V) Min Typ Max Min 2.0 4.5 6.0 1.5 — 3.15 — 4.2 — — — — — — — — — — 0.5 1.5 3.15 4.2 — VIL 2.0 4.5 6.0 1.35 — 1.8 — 1.9 4.4 5.9 4.13 5.63 — — — Output voltage VOH 2.0 4.5 6.0 4.5 6.0 1.9 2.0 — 4.4 4.5 — 5.9 6.0 — 4.18 — 5.68 — — — — — — — — — — VOL 2.0 4.5 6.0 4.5 6.0 0.0 0.1 0.0 0.1 0.0 0.1 — — — — 0.26 — 0.26 — ±0.1 — 1.0 — Input current Quiescent supply current Iin I CC 6.0 6.0 2 HD74HC51 AC Characteristics (CL = 50 pF, Input tr = tf = 6 ns) Ta = 25°C Item Symbol Ta = –40 to +85°C Max 140 28 24 140 28 24 95 19 16 95 19 16 10 pF ns ns ns Unit ns Test Conditions VCC (V) Min Typ Max Min 2.0 4.5 6.0 — — — — — — — — — — — — — — 11 — — 10 — — 5 — — 5 — 5 110 — 22 19 — — Propagation delay t PLH time t PHL 2.0 4.5 ……
