CD54HC245

Data sheet acquired from Harris Semiconductor SCHS119A November 1997 - Revised May 2003 CD54HC245, CD74HC245, CD54HCT245, CD74HCT245 High-Speed CMOS Logic Octal-Bus Transceiver, Three-State, Non-Inverting [ /Title (CD54 HC245 , CD54 HCT24 5, CD74 HC245 , CD74 HCT24 5) /Subject (High Speed Features Description Buffered Inputs Three-State Outputs Bus Line Driving Capability Typical Propagation Delay = 5V, CL = 15pF, TA = 25oC (A to B, B to A) 9ns at VCC Fanout (Over Temperature Range) - Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads - Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads Wide Operating Temperature Range . . . -55oC to 125oC Balanced Propagation Delay and Transition Times Significant Power Reduction Compared to LSTTL Logic ICs HC Types - 2V to 6V Operation - High Noise Immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5V HCT Types - 4.5V to 5.5V Operation - Direct LSTTL Input Logic Compatibility, VIL= 0.8V (Max), VIH = 2V (Min) - CMOS Input Compatibility, Il ≤ 1µA at VOL, VOH The CD54HC245, CD54HCT245, and CD74HC245, CD74HCT245 are high-speed octal three-state bidirectional transceivers intended for two-way asynchronous communication between data buses. They have high drive current outputs which enable high-speed operation while driving large bus capacitances. They provide the low power consumption of standard CMOS circuits with speeds and drive capabilities comparable to that of LSTTL circuits. The ...