asynchronous bus
In computing, a bus that does not rely on a shared clock signal; data transfer is coordinated by handshaking signals.
非同期バスは、クロック信号を使わずにデータを転送する。
An asynchronous bus transfers data without using a clock signal.
Compound of 非同期 (asynchronous) and バス (bus), a direct calque from English 'asynchronous bus'.