74HC40105PW,118 Allicdata Electronics
Allicdata Part #:

74HC40105PW,118-ND

Manufacturer Part#:

74HC40105PW,118

Price: $ 0.00
Product Category:

Integrated Circuits (ICs)

Manufacturer: Nexperia USA Inc.
Short Description: IC FIFO REGISTER 4X16 16TSSOP
More Detail: N/A
DataSheet: 74HC40105PW,118 datasheet74HC40105PW,118 Datasheet/PDF
Quantity: 1000
1 +: 0.00000
Stock 1000Can Ship Immediately
$ 0
Specifications
Bus Directional: Uni-Directional
Base Part Number: 74HC40105
Supplier Device Package: 16-TSSOP
Package / Case: 16-TSSOP (0.173", 4.40mm Width)
Mounting Type: Surface Mount
Operating Temperature: -40°C ~ 125°C
FWFT Support: No
Retransmit Capability: No
Programmable Flags Support: No
Expansion Type: Depth, Width
Series: 74HC
Current - Supply (Max): --
Voltage - Supply: 2V ~ 6V
Access Time: 34ns
Data Rate: 36MHz
Function: Asynchronous
Memory Size: 64 (16 x 4)
Part Status: Obsolete
Packaging: Tape & Reel (TR) 
Description

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Logic - FIFOs Memory

The 74HC40105PW is a logic integrated circuit designed to operate as a first-in, first-out memory device. It is commonly used in data transfer and communication applications where data must be buffered and transferred between devices in an order dependent upon its arrival time. The device consists of an 8-bit shift register that acts as a data storage and transfer unit, and a three-input AND gate with an OR gate and output latch.

Application Field

The 74HC40105PW is commonly used in a variety of applications such as digital-to-analog (D/A) and analog-to-digital (A/D) conversion, digital video or audio, data acquisition and processing, and communication. The device is designed to store and transfer digital data signals between devices. In applications such as transmitting data through a network, the device can buffer the data before it is sent to the receiving device, eliminating the risk of data loss or corruption.

Working Principle

The 74HC40105PW operates as a first-in, first-out (FIFO) memory device, meaning that the data that is stored in the register is read in the same order it is written. The device is composed of an 8-bit shift register that serves as a data storage and transfer unit, and a three-input AND gate with an OR gate and output latch for transferring and storing data. The 8-bit shift register is configured as a FIFO, which means that each bit of data that is shifted into the register at a certain clock time is stored in the register until it is read out. A separate clock line is used to enable shifting of data into and out of the register. The three-input AND gate determines when data is to be shifted in or out of the register, and the output latch holds the current state of the shift register at the beginning of each new clock cycle.

Conclusion

The 74HC40105PW is a useful logic integrated circuit in many applications requiring data buffering and storage. By using the device as a FIFO memory, data can be stored in the order it was received and access to the data in the register can be controlled using external signals. This can be useful in communication applications where data must be stored before it is sent out to another device, or in applications that require data be held until it is retrieved.

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