The SN74AS867NT is a high-performance integrated circuit (IC) from Texas Instruments, a renowned global semiconductor company known for its innovative and reliable electronics solutions.

• Type: 4-bit synchronous up/down counter.
• Series: Part of the SN74AS series, known for its high-speed and low-power Schottky technology.
• Feature: Internal carry look-ahead for application in high-speed counting designs.
• Operation: Fully synchronous operation for count up and count down.
• Feature: Includes a terminal count-down line (TCD).
• Feature: Terminal count-up line (TCU).
• Voltage Range: Operates over a wide voltage range, from 4.5V to 5.5V.
• Package: Available in a 24-pin DIP package.