DESCRIPTION
s - Each of these data (1C0-1C3, 2C0-2C3) is t(s) selected by the two address inputs A and B. Separate strobe inputs (1G, 2G) are provided for c each of the two four-line sections. All inputs are equipped with protection circuits against static discharge and transient excess voltage. Obsolete Produ PIN CONNECTION AND IEC LOGIC SYMBOLS July 2001 1/10 M74HC153 INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION
PIN No SYMBOL NAME AND FUNCTION 1, 15 1G, 2G Output Enable Inputs 14, 2 A, B Common Data Select Inputs 6, 5, 4, 3 1C0 to 1C3 Data Inputs From Source 1 7 1Y Multiplexer Output From Source 1 9 2Y Multiplexer Output From Source 2 10, 11, 12, 13 t(s) 8 16 2C0 to 2C3 GND VCC Data Inputs From Source 2 Ground (0V) Positive Supply Voltage duc TRUTH TABLE Pro SELECT INPUTS DATA INPUTS STROBE OUTPUT Y te B A C0 C1 C2 C3 G le X X X X X X H L o L L L X X X L L bs L L H X X X L H L H X L X X L L - O L H X H X X L H ) H L X X L X L L t(s H L X X H X L H c H H X X X L L L u H H X X X...