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74HCT40105 - 4-bit x 16-word FIFO register

Download the 74HCT40105 datasheet PDF. This datasheet also covers the 74HC40105 variant, as both devices belong to the same 4-bit x 16-word fifo register family and are provided as variant models within a single manufacturer datasheet.

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.

Features

  • Independent asynchronous inputs and outputs.
  • Expandable in either direction.
  • Reset capability.
  • Status indicators on inputs and outputs.
  • 3-state outputs.
  • Input levels:.
  • For 74HC40105: CMOS level.
  • For 74HCT40105: TTL level.
  • 3-state outputs.
  • Complies with JEDEC standard JESD7A.
  • ESD protection:.
  • HBM JESD22-A114F exceeds 2 000 V.
  • MM JESD22-A115-A exceeds 200 V.
  • Multiple package options.
  • Specified from 40 C to +85 C and fro.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (74HC40105-NXP.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
74HCT40105 4-bit x 16-word FIFO register Philips
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74HCT40103 8-bit synchronous binary down counter Philips
74HCT40104 4-bit bidirectional universal shift register Philips
74HCT401 8-bit synchronous BCD down counter Philips

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
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.
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