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SL74HCT574 数据表(PDF) 1 Page - System Logic Semiconductor |
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SL74HCT574 数据表(HTML) 1 Page - System Logic Semiconductor |
1 / 6 page SL74HCT574 System Logic Semiconductor SLS Octal 3-State Noninverting D Flip-Flop High-Performance Silicon-Gate CMOS The SL74HCT574 is identical in pinout to the LS/ALS574. This device may be used as a level converter for interfacing TTL or NMOS outputs to High-Speed CMOS inputs. Data meeting the setup time is clocked to the outputs with the rising edge of the Clock. The Output Enable input does not affect the states of the flip-flops, but when Output Enable is high, all device outputs are forced to the high-impedance state; thus, data may be stored even when the outputs are not enabled. • 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 ORDERING INFORMATION SL74HCT574N Plastic SL74HCT574D SOIC TA = -55 ° to 125° C for all packages FUNCTION TABLE Inputs Output Output Enable Clock D Q L H H L L L L L,H, X no change H X X Z X = don’t care Z = high impedance LOGIC DIAGRAM PIN 20=VCC PIN 10 = GND PIN ASSIGNMENT |
类似零件编号 - SL74HCT574 |
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类似说明 - SL74HCT574 |
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