MC74AC646 Datasheet

MC74AC646 OCTAL TRANSCEIVER/REGISTER

www.DataSheet4U.com MC74AC646 MC74ACT646 Octal Transceiver/Register with 3ĆState Outputs (NonĆinverting) The MC74AC646/74ACT646 consist of registered bus transceiver circuits, with outputs, D-type flip-flops and control circuitry providing multiplexed transmission of data directly from the input b.

Features

B2 B3 B4 B5 B6 B7 B-BUS B-BUS Figure 3 Figure 4
•
•
•
•
•
•
• Independent Registers for A and B Buses Multiplexed Real-Time and Stored Data Transfers Choice of True and Inverting Data Paths 3-State Outputs 300 mil Slim Dual In-Line Package Outputs Source/Sink 24 mA ′ACT646 Has TTL Compatible Inputs FACT DATA DataSheet 4 U .com 5-1 www.DataSheet4U.com MC74AC646 MC74ACT646 FUNCTION TABLE Inputs G H H L L L L DIR X X L L H H CAB H or L X X X H or L CBA H or L X X X X SAB X X X X L H SBA X X L H X X A0
  –A7 Input Output Input Data I/O* Operation or Function B0
  –B7 Input Input Output Isola.