74LVC1284D

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Packaging : Tube


Description

The 74LVC1284D is designed as parallel interface chip to provide an asynchronous, 4-bit, bi-directional, parallel printer interface for personal computers. Three additional lines are included to provide handshaking signal between the host and the peripheral.

The ten features of the 74LVC1284D. (1)Asynchronous operation. (2)4-bit transceivers. (3)3 additional buffer/driver lines. (4)TTL compatible inputs. (5)ESD protection exceeds 1000V per MIL STD 883 method 3015 and 200V per machine model. (6)Input hysteresis. (7)Low noise operation. (8)Center pin Vcc&GND. (9)IEEE 1284 compliant level 1&2. (10)Overvoltage protection on B side. Those are all the main features.

Some absolute maximum ratings of the 74LVC1284D have been concluded into several points as follow. (1)Its ESD immunity per MIL STD 883C method 3015 would be +/-2kV. (2)Its DC supply voltage would be from -0.5V to 4.6V. (3)Its DC input diode current would be +/-20mA. (4)Its DC output diode current would be +/-50mA. (5)Its DC input voltage would be from -0.5V to 5.5V. (6)Its DC output voltage on B/Y side would be from -0.5V to 5.5V. (7)Its transcient output voltage on B/Y side would be from -2 to 7V. (8)Its DC output voltage on A side would be from -0.5V to Vcc+0.5V. (9)Its DC output current would be +/-50mA. (10)Its storage temperature range would be from -60°C to 150°C. (11)Its continuous current through Vcc or GND would be +/-200mA. It should be noted that stresses above those listed in absolute maximum ratings may cause permanent damage to device.

Also some electrical characteristics of the 74LVC1284D are concluded as follow. (1)Its high level output voltage would be min Vcc-0.2V and typ Vcc. (2)Its low level output voltage would be max 0.2V. (3)Its high level input voltage would be max 0.8V. (4)Its low level input voltage would be min 2.0V. (5)Its input hysteresis would be typ 0.4V. And so on. If you have any question or suggestion or want to know more information about the 74LVC1284D please contact us for details. Thank you!