M74HC148 - STMicroelectronics

M74HC148 8 TO 3 LINE PRIORITY ENCODER

bs The M74HC148 is an high speed CMOS 8 TO 3 LINE PRIORITY ENCODER fabricated with O silicon gate C2MOS technology. - The M74HC148 encodes eight data lines to t(s) three-line (4-2-1) binary (octal). Cascading circuitry (enable input EI and enable output EO) DIP SOP TSSOP ORDER CODES PACKAGE TUBE DIP SOP TSSOP M74HC148B1R M74HC148M1R T&R M74HC148RM13.

Features

discharge and transient excess voltage. Obsolete Produc PIN CONNECTION AND IEC LOGIC SYMBOLS July 2001 1/11 M74HC148 INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN No SYMBOL NAME AND FUNCTION 9, 7, 6 A0 to A2 Data Outputs 10, 11, 12, 13, 1, 2, 3, 4 0 to 7 Data Inputs 15 EO Enable Output 5 EI Enable Input 14 GS Priority Flag Output 8 GND Ground (0V) 16 VCC Positive Supply Voltage ) TRUTH TABLE t(s INPUTS OUTPUTS uc E1 0 1 2 3 4 5 6 7 A2 A1 A0 GS E0 rod H X X X X X X X X H H H H H L H H H H H H H H H H H H L P L X X.