MC858P

Quad 2-Input NAND Gate, 5V, MDTL Logic, Package: 14-Pin Plastic DIP (P-Suffix), Description: Motorola vintage 800-series Diode-Transistor Logic (DTL) open-collector bus interfacing logic block. Equivalent: Signetics ST858A / Fairchild DTμL958 / ITT Semiconductors 858P / Raytheon RC858