Ceyear 3672 Series, Быстрый старт

Страница: 27 / 41

2 Preparation before use
2.3 Instrument Appearance
Fig. 2.30 Automatic Test Interface Connector
The port is composed of the TTL array, and its characteristics are as follows:
a) Input voltage range: -0.5 V ~ 5.5 V
TTL high level: 2.0 V ~ 5.0 V
TTL low level: 0 V ~ 0.5 V
b) Output current/voltage range: -10 mA ~ 10 mA
Output current
TTL high level: -5 mA
TTL high level: 3 mA
Output current:
TTL high level: 2.0 V ~ 3.3V
TTL low level: 0 V ~ 0.8V