HD74ACT240 Datasheet | Hitachi Semiconductor

Description The HD74AC240/HD74ACT240 is an octal buffer and line driver designed to be employed as a memory address driver, clock driver and bus oriented transmitter or receiver which provides improved PC board density. Features - 3-State Outputs Drive Bus Lines or Buffer Memory Address Registers - Outputs Source/Sink 24 m A - HD74ACT240 has TTL-patible Inputs Pin Arrangement OE1 1 2 3 4 5 6 7 8 9 GND 10 (Top view) 20 VCC 19 OE2 18 17 16 15 14 13 12 11 HD74AC240/HD74ACT240 Truth Tables Inputs OE1 L L H D L H X Outputs (Pins 12, 14, 16, 18) H L Z Inputs OE2 L L H H L X Z : : : : High Voltage Level Low Voltage Level Immaterial High Impedance D L H X Outputs (Pins 3, 5, 7, 9) H L Z DC Characteristics (unless otherwise specified) Item Maximum quiescent supply current Maximum quiescent supply current Maximum additional ICC/input (HD74ACT240) Symbol I CC I CC I CCT Max 80 8.0 1.5 Unit µA µA m A Condition VIN = VCC or ground, VCC = 5.5 V, Ta = Worst case VIN = VCC or ground, VCC = 5.5 V, Ta = 25°C VIN = VCC - 2.1 V, VCC = 5.5 V, Ta = Worst case HD74AC240/HD74ACT240 AC Characteristics: HD74AC240 Ta = +25°C CL = 50 p F Item Propagation delay Data to output Propagation delay Data to output Output enable time t PZH t PHL Symbol t PLH VCC (V)- 1 3.3 5.0 3.3 5.0 3.3 5.0 Output enable time t PZL 3.3 5.0 Output disable time t PHZ 3.3 5.0 Output disable time t PLZ 3.3 5.0 Note: 1. Voltage Range 3.3 is 3.3 V ± 0.3 V Voltage Range 5.0 is 5.0 V ± 0.5 V Min 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 Typ 6.0 4.5 5.0 4.5 6.0 5.0 7.0 5.5 7.0 6.5 7.5 6.5 Max 8.0 6.5 8.0 6.0 10.5 7.0 10.0 8.0 10.0 9.0 10.5 9.0 Ta = - 40°C to +85°C CL = 50 p F Min 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 Max 9.0 7.0 8.5 6.5 11.0 8.0 11.0 8.5 10.5 9.5 11.5 9.5 ns ns ns ns ns Unit ns AC Characteristics: HD74ACT240 Ta = +25°C CL = 50 p F Item Propagation delay Data to output Propagation delay Data to output Output enable time Output enable time Output disable time Output disable time Note:...