DESCRIPTION
DIP SOP TSSOP ORDER CODES PACKAGE TUBE DIP SOP TSSOP M74HC139B1R M74HC139M1R T&R M74HC139RM13TR M74HC139TTR While the enable input is held high, all four outputs are high independently of the other inputs. All inputs are equipped with protection circuits against static discharge and transient excess voltage. PIN CONNECTION AND IEC LOGIC SYMBOLS July 2001 1/9 M74HC139 INPUT AND OUTPUT EQUIVALENT CIRCUIT LOGIC DIAGRAM PIN DESCRIPTION
PIN No SYMBOL NAME AND FUNCTION 1, 15 2, 3 4, 5, 6, 7 12, 11, 10, 9 14, 13 8 16 1G, 2G 1A, 1B 1Y0 TO 1Y3 2Y0 TO 2Y3 2A, 2B GND VCC Enable Inputs Address Inputs Outputs Outputs Address Inputs Ground (0V) Positive Supply Voltage TRUTH TABLE INPUTS ENABLE SELECT G BA OUTPUTS Y0 Y1 Y2 Y3 SELECTED OUTPUT H X X H H H H NONE L L L L HHH Y0 L LHHLHH Y1 L HLHHLH Y2 L HHHHH L Y3 This logic diagram has not be used to estimate propagation delays 2/9 M74HC139 ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit VCC Supply Voltage -0.5 to +7 V VI DC Input Volt...
STMicroelectronics
