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The control function implementation minimizes external timing requirements. The enable input G can be used to disable the device so that the buses are effectively isolated. August Revised March General Description. These octal bus transceivers are designed for asynchro-. The device allows data transmission from the A Bus to the. The enable. Ordering Code:.
Order Number Package Number. Package Description. Devices also available in Tape and Reel. Connection Diagram. Function Table. B Data to A Bus. A Data to B Bus. No Preview Available! Absolute Maximum Ratings Note 1. Supply Voltage. Input Voltage. DIR or G. Storage Temperature Range. The device should not be. The parametric values defined in the Electrical. Characteristics tables are not guaranteed at the absolute maximum ratings.
Recommended Operating Conditions. Free Air Operating Temperature. Electrical Characteristics. I OZH. I OZL. Input Clamp Voltage. HIGH Level. Output Voltage. LOW Level. Off-State Output Current,.
Input Current at Maximum. Short Circuit Output Current. I CC Supply Current. Outputs HIGH. Outputs LOW. Outputs at Hi-Z. Note 3: Not more than one output should be shorted at a time, not to exceed one second duration. Note 2. Fairchild Semiconductor Electronic Components Datasheet.
The 74HC is an 8-bit transceiver IC with 3-state output. Meaning it has two set of pins A0-A7 and B0-B7 , in which each set has 8 pins. Out of these two sets one set can be used as input and the other set can be used as output. Since the IC is a transceiver IC, Data can flow from input bus to output bus and also from output bus to input bus, by simply toggling the Direction pin DIR pin as required. It also has a decent output current of 35mA and hence can be used to drive nominal loads.