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74HCT40105

Part Number	74HCT40105
Manufacturer	NXP
Description	4-bit x 16-word FIFO register
Published	Jun 1, 2016
Detailed Description	74HC40105; 74HCT40105 4-bit x 16-word FIFO register Rev. 4 — 29 January 2016 Product data sheet 1. General descriptio...
Datasheet	74HCT40105 PDF File

Overview

74HC40105; 74HCT40105 4-bit x 16-word FIFO register Rev.
4 — 29 January 2016 Product data sheet 1.
General description The 74HC40105; 74HCT40105 is a first-in/first-out (FIFO) "elastic" storage register that can store 16 4-bit words.
It can handle input and output data at different shifting rates.
This feature makes it particularly useful as a buffer between asynchronous systems.
Each word position in the register is clocked by a control flip-flop, which stores a marker bit.
A logic 1 signifies that the data at that position is filled and a logic 0 denotes a vacancy in that position.
The control flip-flop detects the state of the preceding flip-flop and communicates its own status to the succeeding flip-flop.
When a control flip-flop is in the logic 0 state and sees a logic 1 in the preceding flip-flop, it generates a clock pulse.
The clock pulse transfers data from the preceding four data latches into its own four data latches and resets the preceding flip-flop to logic 0.
The firs...

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