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74F646FAIN/a2avaiOctal Transceiver/Register with 3-STATE Outputs


74F646 ,Octal Transceiver/Register with 3-STATE Outputs74F646 • 74F646B  74F648 Octal Transceiver/Register with 3-STATE OutputsMarch 1988Revised October ..
74F646BSPC ,Octal Transceiver/Register with TRI-STATE Outputs74F646 • 74F646B • 74F648 Octal Transceiver/Register with 3-STATE OutputsMarch 1988Revised August 1 ..
74F646SC ,Octal Transceiver/Register with TRI-STATE OutputsFeaturesThese devices consist of bus transceiver circuits with

74F646
Octal Transceiver/Register with 3-STATE Outputs
74F646 • 74F646B  74F648 Octal Transceiver/Register with 3-STATE Outputs March 1988 Revised October 2000 74F646  74F646B  74F648 Octal Transceiver/Register with 3-STATE Outputs General Description Features These devices consist of bus transceiver circuits withIndependent registers for A and B buses 3-STATE, D-type flip-flops, and control circuitry arrangedMultiplexed real-time and stored data for multiplexed transmission of data directly from the input 74F648 has inverting data paths bus or from the internal registers. Data on the A or B bus 74F646/74F646B have non-inverting data paths will be clocked into the registers as the appropriate clock pin goes to a high logic level. Control G and direction pins74F646B is a faster version of the 74F646 are provided to control the transceiver function. In the3-STATE outputs transceiver mode, data present at the high impedance port 300 mil slim DIP may be stored in either the A or the B register or in both. The select controls can multiplex stored and real-time (transparent mode) data. The direction control determines which bus will receive data when the enable control G is Active LOW. In the isolation mode (control G HIGH), A data may be stored in the B register and/or B data may be stored in the A register. Ordering Code: Order Number Package Number Package Description 74F646SC M24B 24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide 74F646MSA MSA24 24-Lead Shrink Small Outline Package (SSOP), EIAJ TYPE II, 5.3mm Wide 74F646SPC N24C 24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide 74F646BSC M24B 24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide 74F646BSPC N24C 24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide 74F648SC M24B 24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide 74F648SPC N24C 24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. © 2000 DS009580
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