16-bit bus buffer in a 48-TSSOP — the 24 mA drive and 5 V rail
The 74FCT162244ETPAG is a Renesas 16-bit non-inverting buffer with 3-state outputs, built for 5 V bus architectures where you need to drive a heavy load without re-driving the bus. It delivers 24 mA source and 24 mA sink per output, enough to fan out to multiple TTL or CMOS inputs on a backplane without external line drivers. Four elements of four bits each — the 4-bit banks let you gate individual byte lanes independently, useful for memory-mapped I/O or peripheral buses where each byte-wide slice needs its own output enable.
48-TSSOP package — rework and board-fit
The 48-TFSOP (0.240", 6.10 mm width) package is a fine-pitch TSSOP — the 0.5 mm lead pitch means the pad layout needs a clean solder mask defined pad, and the low profile (1.2 mm seated height) fits under mezzanine cards or in tight enclosures. The supplier device package is 48-TSSOP, so the footprint matches standard TSSOP-48 land patterns. Hot-air removal is straightforward with a preheat at 150 °C and a 340 °C nozzle; the part lifts clean if you wet the leads first. Pin 1 is at the chamfered corner, clearly marked on the top-side silkscreen.