HD74LS148

HD74LS148 8-line-to-3-line Octal Priority Encoder REJ03D0437–0200 Rev.2.00 Feb.18.2005 The HD74LS148 encodes eight data lines to three-line (4-2-1) binary (octal). Cascading circuitry (enable input EI and enable output EO) has been provided to allow octal expansion without the need for external circuitry. The data inputs and outputs are active at the low logic level. Features Ordering Information Part Name Package Type Package Code (Previous Code) Package Abbreviation HD74LS148P DILP-16 pin PRDP0016AE-B (DP-16FV) P HD74LS148FPEL SOP-16 pin (JEITA) PRSP0016DH-B (FP-16DAV) FP Note: Please consult the sales office for the above package availability. Taping Abbreviation (Quantity) — EL (2,000 pcs/reel) Pin Arrangement 41 52 Inputs 6 3 74 EI 5 A2 6 Outputs A1 7 GND 8 4 5 EO 6 GS 73 EI 2 A2 A1 A0 1 0 16 VCC 15 EO Outputs 14 GS 13 3 12 2 11 1 Inputs 10 0 9 A0 Outputs (Top view) Rev.2.00, Feb.18.2005, page 1 of 5 HD74LS148 Function Table Inputs Outpu...