STMicroelectronics 74VHCT373A
The 74VHCT373A is an advanced high-speed CMOS OCTAL D-TYPE LATCH with 3 STATE OUTPUT NON INVERTING fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS technology. This 8 bit D-Type latch is controlled by a latch enable input (LE) and an output enable input PIN CONNECTION AND IEC LOGIC SYMBOLS November 1999 1/10 74VHCT373A INPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN No 1 2, 5, 6, 9, 12, 15, 16, 19 3, 4, 7, 8, 13, 14, 17, 18 11 10 20 SYMBOL OE Q0 to Q7 NAME AND FUNCT ION 3 State Output Enable Input (Active LOW) 3 State Outputs D0 to D7 Data Inputs LE GND VCC Latch Enable Input Ground (0V) Positive Supply Voltage TRUTH TABLE INPUTS OE H L L L LE X L H H D X X L H OUT PUTS Q Z NO CHANGE * L H X:DON’T CARE Z: HIGH IMPEDANCE *: Q OUTPUTSARE LATCHED AT THE...