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IN74ACT651DW Datasheet(PDF) 1 Page - IK Semicon Co., Ltd |
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IN74ACT651DW Datasheet(HTML) 1 Page - IK Semicon Co., Ltd |
1 / 9 page TECHNICAL DATA IN74ACT651 Octal 3-State Bus Transceivers and D Flip-Flops High-Speed Silicon-Gate CMOS ORDERING INFORMATION IN74ACT651N Plastic IN74ACT651DW SOIC TA = -40° to 85° C for all packages The IN74ACT651 is identical in pinout to the LS/ALS651, HC/HCT651. The IN74ACT651 may be used as a level converter for interfacing TTL or NMOS outputs to High Speed CMOS inputs. These devices consists of bus transceiver circuits, D-type flip-flop, and control circuitry arranged for multiplex transmission of data directly from the data bus or from the internal storage registers. Direction and Output Enable are provided to select the read-time or stored data function. Data on the A or B Data bus, or both, can be stored in the internal D flip- flops by low-to-high transitions at the appropriate clock pins (A-to-B Clock or B-to-A Clock) regardless of the select or enable or enable control pins. When A-to-B Source and B-to-A Source are in the real-time transfer mode, it is also possible to store data without using the internal D-type flip-flops by simultaneously enabling Direction and Output Enable. In this configuration each output reinforces its input. Thus, when all other data sources to the two sets of bus lines are at high impedance, each set of bus lines will remain at its last state. The IN74ACT651 has inverted outputs. • TTL/NMOS Compatible Input Levels • Outputs Directly Interface to CMOS, NMOS, and TTL • Operating Voltage Range: 4.5 to 5.5 V • Low Input Current: 1.0 µA; 0.1 µA @ 25°C • Outputs Source/Sink 24 mA PIN ASSIGNMENT LOGIC DIAGRAM PIN 24=VCC PIN 12 = GND Rev. 00 |
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