Allicdata Part #: | 296-1598-5-ND |
Manufacturer Part#: |
SN74HC574N |
Price: | $ 0.36 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC FF D-TYPE SNGL 8BIT 20DIP |
More Detail: | N/A |
DataSheet: | SN74HC574N Datasheet/PDF |
Quantity: | 28612 |
1 +: | $ 0.32760 |
10 +: | $ 0.28098 |
100 +: | $ 0.20992 |
500 +: | $ 0.16493 |
1000 +: | $ 0.12745 |
Series: | 74HC |
Packaging: | Tube |
Part Status: | Active |
Function: | Standard |
Type: | D-Type |
Output Type: | Tri-State, Non-Inverted |
Number of Elements: | 1 |
Number of Bits per Element: | 8 |
Clock Frequency: | 36MHz |
Max Propagation Delay @ V, Max CL: | 46ns @ 6V, 150pF |
Trigger Type: | Positive Edge |
Current - Output High, Low: | 7.8mA, 7.8mA |
Voltage - Supply: | 2 V ~ 6 V |
Current - Quiescent (Iq): | 8µA |
Input Capacitance: | 3pF |
Operating Temperature: | -40°C ~ 85°C (TA) |
Mounting Type: | Through Hole |
Package / Case: | 20-DIP (0.300", 7.62mm) |
Base Part Number: | 74HC574 |
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Flip-flops are basic components in sequential logic circuits, which are used to store one bit of data.SN74HC574N is an 8-bit D-type flip-flop device with latch enable. This device is composed of eight high-performance edge-triggered D-type flip-flops that have input, output, and direct (non-inverting) and complement (inverting) outputs. Both the direct and complementary outputs are active. SN74HC574N is basically used to store, lock and allow data to pass through it.
The application areas of SN74HC574N are data buffers, data latches, shift registers, product counters, decade counters and other digital components. It can be used to provide true (non-inverting) and complement outputs. For example, it can be used to sample and hold one or more bits of data. It also can be used as a bit delay device, storing data and informing data at different times. It can also be used as a counter register and accumulator that stores and adds data.
SN74HC574N is a type of flip-flop with several common characteristics. The main characteristics are setup time Ts, storage time Ts and hold time Th. Setup time Ts is the time between the input signal hitting the data and the time it is valid at the output. The storage time Ts is the time it takes to store the data in the latch. Hold time Th is the time from the end of the data\'s setup to the beginning of its hold period. For example, if a system has a hold time of 8ns and a setup time of 4ns, the hold will begin 4ns after the data has been validly stored in the latch. SN74HC574N also has two control inputs, CE (clock enable) and OE (output enable). Both of the controls need an active low signal to enable the data flow between the inputs and the outputs.
The working principle of SN74HC574N is based on a positive edge triggered D-type flip-flop. The positive edge trigger means that the flip-flop will respond to a positive voltage edge of an input pulse and not be sensitive to the negative edge. When the input signal (data) is high, the clock enable (CE) is low and the output enable (OE) is also low, the data will be stored in the data latch. When the output enable (OE) is high, it will allow the data to pass through the flip-flop path and will then become active at the output. When CE is de-asserted, the latch data is stored in the flip-flop and is not allowed to pass through the flip-flop path. This will prevent the data from being transferred back to the input of the flip-flop.
In summary, SN74HC574N is an 8-bit D-type flip-flop device with latch enable. It can be used as a data storage, data sampling and holding, bit delay, and even a counter. It has a positive edge triggered D-type flip-flop and two control inputs CE and OE. The setup time Ts, storage time Ts and hold time Th should all be taken into consideration for proper operation of this device.
The specific data is subject to PDF, and the above content is for reference
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