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4 electrical characteristics – Citizen Systems iDP-3535 User Manual

Page 23

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iDP-3535 User’s Manual

CITIZEN

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6-4 Electrical Characteristics

1 Input Signal Level

All input signals are TTL level.
“HIGH” Level = 2.0V Min.
“LOW” Level = 0.8V Max.

2 Output Signal Level

“HIGH” Level = 2.4V Min.
“LOW” Level = 0.4V Max.

3 Input / Output Conditions

All of the input signals are pulled up by 3.3K ohms.

[Printer Side] [Host Side]

74LS373 or equivalent
(7406 or equivalent only for RESET)

7406 or equivalent