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具有三态输出的八路边沿触发式 D 型触发器
Number of channels (#) 8
Technology Family ACT
Supply voltage (Min) (V) 4.5
Supply voltage (Max) (V) 5.5
Input type TTL-Compatible CMOS
Output type 3-State
Clock Frequency (Max) (MHz) 70
IOL (Max) (mA) 24
IOH (Max) (mA) -24
ICC (Max) (uA) 80
Features Balanced outputs, Very high speed (tpd 5-10ns), Positive input clamp diode
  • Eight D-Type Flip-Flops in a Single Package
  • 3-State Bus Driving True Outputs
  • Full Parallel Access for Loading
  • Inputs Are TTL-Voltage Compatible
  • Flow-Through Architecture Optimizes PCB Layout
  • Center-Pin VCC and GND Configurations Minimize High-Speed Switching Noise
  • EPICTM (Enhanced-Performance Implanted CMOS) 1-m Process
  • 500-mA Typical Latch-Up Immunity at 125°C
  • Package Options Include Plastic Small-Outline (DW) and Shrink Small-Outline (DB) Packages, and Standard Plastic 300-mil DIPs (NT)

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EPIC is a trademark of Texas Instruments Incorporated.

This 8-bit flip-flop features 3-state outputs designed specifically for driving highly-capacitive or relatively low-impedance loads. It is particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers.

The eight flip-flops of the 74ACT11374 are edge-triggered D-type flip-flops. On the positive transition of the clock (CLK) input, the Q outputs are set to the logic levels set up at the data (D) inputs.

An output-enable () input can be used to place the eight outputs in either a normal logic state (high or low logic levels) or a high-impedance state. In the high-impedance state, the outputs neither load nor drive the bus lines significantly. The high-impedance third state provides the capability to drive bus lines in a bus-organized system without need for interface or pullup components.

does not affect the internal operation of the flip-flops. Old data can be retained or new data can be entered while the outputs are in the high-impedance state.

The 74ACT11374 is characterized for operation from -40°C to 85°C.

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