Citizen Systems iDP-3535 user manual 74LS373 or equivalent Or equivalent only for Reset

Page 23

iDP-3535 User’s Manual

6-4 Electrical Characteristics

1Input Signal Level

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

2Output Signal Level “HIGH” Level = 2.4V Min. “LOW” Level = 0.4V Max.

3Input / 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

CITIZEN

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Contents User’s Manual Important Safety Instructions IDP-3535 User’s Manual Contents Introduction Basic Specifications Features IDP3535F IDP3535P External Appearance and Parts Descriptions GND 10/38 Preparation 12/38 13/38 14/38 15/38 Usage of the CONNECTORS, Please see page 18 DTR FaultSerial Interface MAX232 or equivalent 19/38 20/38 ACK Busy GND ACK, BUSY, STB, FAULT, ResetoptionParallel Interface STBACK Data74LS373 or equivalent Or equivalent only for Reset 24/38 France Germany England Dip-Switch SettingOFF DC3 OFF 27/38 PIN Signal Functions PIN 30/38 SUB Print Control FunctionsCan BEL32/38 SUB1A Initial Setting Maintenance Character Code Table Individual Country Character Codes External Dimensions