74LS 4-Bit Inverting Buffer, 4-Pin PDIP, 0°C to 70°C, 5.25V
Bus Driver, LS Series, 4-Func, 1-Bit, True Output, TTL, PDIP14, 0.300 INCH, PLASTIC, MS-001, DIP-14
LS SERIES, QUAD 1-BIT DRIVER, TRUE OUTPUT, PDIP14, PLASTIC, DIP-14