MM74HC125, MM74HC126 are 3-STATE Quad Buffers products produced by Fairchild Semiconductor Corporation
The document describes the MM74HC125 and MM74HC126 as general-purpose 3-STATE high-speed non-inverting buffers utilizing advanced silicon-gate CMOS technology. These circuits feature low power dissipation comparable to Schottky TTL, with typical propagation delays of 13ns at 5V and the ability to drive up to 15 LS-TTL loads.
| Typical propagation delay (5V) | 13ns |
|---|---|
| Operating voltage range | 2V-6V |
| Maximum input current | 1uA |
| Fanout capability | 15 LS-TTL loads |
| Maximum DC output current per pin | 35mA |
The output is put into the high impedance condition when the control input C is taken high.
The output is put into the high impedance condition when the control input is low.
The device can withstand a supply voltage between -0.5V and +7.0V.