74AHC377D,112

Max Propagation Delay @ V, Max CL:	10.5ns @ 5V, 50pF
Base Part Number:	74AHC377
Package / Case:	20-SOIC (0.295", 7.50mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TA)
Input Capacitance:	3pF
Current - Quiescent (Iq):	4µA
Voltage - Supply:	2 V ~ 5.5 V
Current - Output High, Low:	8mA, 8mA
Trigger Type:	Positive Edge
Series:	74AHC
Clock Frequency:	120MHz
Number of Bits per Element:	8
Number of Elements:	1
Output Type:	Non-Inverted
Type:	D-Type
Function:	Standard
Part Status:	Last Time Buy
Packaging:	Tube

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Introduction to 74AHC377D IC

The 74AHC377D is a dual-D Flip-Flop electronic circuit, which is a member of the 74AHC Logic family. It is designed for low-power operation with very low voltage and supply current. It is also designed to be extremely reliable and efficient in order to provide critical circuit safety and longevity.

Application Field and Working Principle

The 74AHC377D is used in applications where flip-flop circuitry is used to store data and create digital timing pulses on a circuit board. The main application field includes data-gathering systems and process control systems. Flip-flops are used in the input stages of register memory circuitry and in data acquisition systems. The working principle of the 74AHC377D is to generate a logic state output of ‘1’ or ‘0’ based on the logic input at D input of the IC. This is known as the ‘flip-flop’ operation of the circuit. The D input is connected with either logic ‘1’ (high) or ‘0’ (low) voltage. When a logic ‘1’ is applied to the D input, the output state of the IC is ‘1’; likewise, when a logic ‘0’ is applied to the D input, the output state of the IC is ‘0’. The flip-flop operation is enabled by a clock input which is used to synchronize the input, reset, and output pulses. The data output of the flip-flop is stored when a clock pulses is applied and retained until the next interval. If a reset pulse is present at the reset input of the IC, the IC will lose the current state and go back to the initial condition.

Important Components

The 74AHC377D is composed of several components which work together to enable the logic circuit to function. It has two D-type flip-flop outputs that can be used to store the data in the circuits, an input for the clock signal, an input for the reset signal, and an enable input which can be used to inhibit the flip-flop from functioning.It also contains logic gates (AND, OR, NAND, and NOR) for enabling the various functions of the flip-flop and for driving the D flip-flop outputs. In addition, the ICs also contain two buffers (the input buffer at the clock input and the output buffer which provides the output logic state) and a latch which can be used to maintain the state of the IC and protect it from glitches in the circuit.

Conclusion

The 74AHC377D is a dual-D Flip-Flop IC which is ideal for use in applications such as data-gathering systems and process control systems. Its flip-flop operation is enabled by the clock input, and the output state is determined by the logic input at D input of the IC. The components of the IC include two D-type flip-flop outputs, an input for the clock signal, an input for the reset signal, an enable input, logic gates, two buffers, and a latch.

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