Brand: XMOS Part Number: XS1-L01A-TQ128-C4 Digi-Key Part Number: 880-1002-ND Quantity: 900 pieces Packaging: Factory sealed 3M SCC Dri-Shield moisture barrier bag Lot Number: P2V656.00 Date Code: 1030 Condition: New Old Stock (NOS) ? sealed, never opened Country of Origin: Singapore Notes: Labeled ?RKT DRAW? and ?37? for internal inventory tracking ? does not affect contents. These are high-performance 32-bit multicore microcontrollers in TQFP128 package, often used in audio processing, parallel computing, USB interfacing, and embedded system development. These are discontinued and increasingly hard to find in quantity like this. Great for developers, prototypers, and companies maintaining legacy systems.