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74HC4049

Hex inverting high-to-low level shifter

Courtesy/Thanks to: Philips Semiconductor

Description:

General description

The 74HC4049 is a high-speed
Si-gate CMOS device and is pin compatible with the '4049' of the '4000B' series.
It is specified in compliance with JEDEC standard no. 7A.

The 74HC4049 provides six inverting buffers with a modified input protection
structure, which has no diode connected to Vcc . Input Voltages of up
to 15 V may therefore be used.

This feature enables the inverting buffers to be used as logic level
translators, which will convert high level logic to low level logic, while
operating from a low Voltage power supply. For example 15 V logic ('4000B
series') can be converted down to 2 V logic.

The actual input switch level remains related to the Vcc and is
the same as mentioned in the family characteristics. At the same time each part
can be used as a simple inverter without level translation.


Features



  • Output capability: standard
  • ICC category: SSI


Applications



  • Converting 15 V logic ('4000B' series) down to 2 V logic.

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Files
74HC4049_CNV_2.pdf
   Datasheet for the 74HC4049
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