The ’HC147 and CD74HCT147 9-input priority encoders accept data from nine active LOW inputs (l1 to l9) and provide binary representation on the four active LOW inputs (Y0 to Y3). 74HC147 Decimal to BCD Priority Encoder IC DIP-16 Packageħ4HC147 (74147) IC–Priority Encoder The ’HC147 and CD74HCT147 are high-speed silicon-gate CMOS devices and are pin-compatible with low power Schottky TTL (LSTTL).
