T74LS18 datasheets – compare manufacturers

Manufacturer Part Number Description
SGS-Ates Componenti Logo SGS-Ates Componenti T74LS18 Dual 4-Input Schmitt Trigger NAND Gate
ST Microelectronics Logo STMicroelectronics T74LS181 4-Bit Arithmetic Logic Unit
SGS-Ates Componenti Logo SGS-Ates Componenti T74LS183 Dual Carry Save Full Adder
SGS-Ates Componenti Logo SGS-Ates Componenti T74LS181 4-Bit Arithmetic Logic Unit