View m54 74hc125 126 datasheet:

M54/74HC125 M54/74HC126 QUAD BUS BUFFERS (3-STATE) .HIGH SPEED t = 8 ns (TYP.) AT V =5V PD CC .LOW POWER DISSIPATION I =4µA (MAX.) AT 25 °C CC .OUTPUT DRIVE CAPABILITY 15 LSTTL LOADS .BALANCED PROPAGATION DELAYS B1R F1R t =t (Plastic Package) (Ceramic Package) PLH PHL .SYMMETRICAL OUTPUT IMPEDANCE I = ?I ? = 6 mA (MIN.) OL OH .HIGH NOISE IMMUNITY V =V =28%V (MIN.) NIH NIL CC .WIDE OPERATING VOLTAGE RANGE M1R C1R V (OPR) = 2 V TO 6 V (Micro Package) (Chip Carrier) CC .PIN AND FUNCTION COMPATIBLE ORDER CODES : WITH 54/74LS125/126 M54HCXXXF1R M74HCXXXM1R M74HCXXXB1R M74HCXXXC1R DESCRIPTION PIN CONNECTIONS (top view) The M54/74HC125/126 are high speed CMOS QUAD BUS BUFFER (3-STATE) FABRICATED IN HC125 SILICON GATE C2MOS technology. They have the same high sp