DESCRIPTION
DIP SOP TSSOP ORDER CODES PACKAGE TUBE T&R DIP SOP TSSOP M74HCT245B1R M74HCT245M1R M74HCT245RM13TR M74HCT245TTR All inputs are equipped with protection circuits against static discharge and transient excess voltage. All floating bus terminals during High Z State must be held HIGH or LOW. PIN CONNECTION AND IEC LOGIC SYMBOLS August 2001 1/9 M74HCT245 INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION
PIN No 1 2, 3, 4, 5, 6, 7, 8, 9 18, 17, 16, 15, 14, 13, 12, 11 19 10 20 SYMBOL DIR A1 to A8 NAME AND FUNCTION Directional Control Data Inputs/Outputs B1 to B8 Data Inputs/Outputs G GND VCC Output Enable Input Ground (0V) Positive Supply Voltage TRUTH TABLE INPUTS G L L H X : Don’t Care Z : High Impedance DIR L H X FUNCTION A BUS OUTPUT INPUT Z B BUS INPUT OUTPUT Z OUTPUT Yn A=B B=A Z ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit VCC Supply Voltage -0.5 to +7 V VI DC Input Voltage -0.5 to VCC + 0.5 V VO DC Output Voltage -0.5 to VCC + 0.5 V IIK DC Input Diode Current ± 20...
STMicroelectronics
