HD74HC241 Datasheet | Hitachi Semiconductor

Description The HD74HC241 is a noninverting buffer and has one active low enable and one active high enable. Each enable independently controls 4 buffers. This device does not have schmitt trigger inputs. Features - - - - - High Speed Operation: tpd = 11 ns typ (CL = 50 p F) High Output Current: Fanout of 15 LSTTL Loads Wide Operating Voltage: VCC = 2 to 6 V Low Input Current: 1 µA max Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C) Function Table Inputs 1G H L L H L X Z : : : : 2G L H H high level low level irrelevant off (high-impedance) state of a 3-state output A X H L Output Y Z H L Pin Arrangement 1G1 1A1 2Y4 1A2 2Y3 1A3 2Y2 1A4 2Y1 1 2 3 4 5 6 7 8 9 20 VCC 19 2G 18 1Y1 17 2A4 16 1Y2 15 2A3 14 1Y3 13 2A2 12 1Y4 11 2A1 (Top view) GND 10 Absolute Maximum Ratings Item Supply voltage range Input voltage Output voltage DC current drain per pin DC current drain per VCC, GND DC input diode current DC output diode current Power dissipation per package Storage temperature Symbol VCC VIN VOUT I OUT I CC, I GND I IK I OK PT Tstg Rating - 0.5 to +7.0 - 0.5 to VCC + 0.5 - 0.5 to VCC + 0.5 ±35 ±75 ±20 ±20 500 - 65 to +150 Unit V V V m A m A m A m A m W °C Logic Diagram To three other 1A buffers To three other 2A buffers Input 1A Two of 8 buffers Input 2A G Strobe G 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 ±5.0 ±1.0 40 µA µA µA I OL = 6 m A I OL = 7.8 m A Vin = VIH or VIL, Vout = VCC or GND Vin = VCC or GND Vin = VCC or GND, Iout = 0 µA V I OH = - 6 m A I OH = - 7.8 m A Vin = VIH or VIL I OL = 20 µA V Vin = VIH or VIL I OH = - 20 µA V Unit V Test...