Adapter Part Number: PA28-24-5P3
Adapter Description:
PLCC Programming adapter for devices with pin skips 1, 10, 15, 21. 300 mil span DIP plug. Auto-eject PLCC socket.
Adapter Price: ￥15,900
PDF Datasheet: 2824p.pdf

Top Side; Pins: 28 Pitch: 0.050"
Bottom Side; Pins: 28 Pitch: 0.100"