Citizen PPU-231 manual Electrical Characteristics

PPU-231 User’s Manual

6.3.2Electrical Characteristics

(1)Input signal level

All the input signals are at the TTL level. High level --- 2.0 V at minimum

Low level --- 0.8 V at maximum

(2)Output signal level

All the output signals are at the TTL level. High level --- 2.4 V at minimum

Low level --- 0.4 V at maximum

(3)Input and output conditions

The STROBE and RESET input signals are pulled up at 3.3kΩ, and the other input signals at 50kΩ, respectively.

[Printer Side] [Host Side]

All the output signals are pulled up at 50kΩ.

[Printer Side] [Host Side]

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