7404: Difference between revisions

From NESdev Wiki
Jump to navigationJump to search
(Oh hey, another chip, imagine that)
 
m (remove pre)
Line 1: Line 1:
The '''7404''' (variants 74LS04, 74HC04) is a 74-series logic IC with six independent inverters.
The '''7404''' (variants 74LS04, 74HC04) is a 74-series logic IC with six independent inverters.
== 7404 Pinout ==
== 7404 Pinout ==
<pre>
      .--\/--.
      .--\/--.
  1A --|01  14|-- +5V
1A --|01  14|-- +5V
  1Y --|02  13|-- 6A
1Y --|02  13|-- 6A
  2A --|03  12|-- 6Y
2A --|03  12|-- 6Y
  2Y --|04  11|-- 5A
2Y --|04  11|-- 5A
  3A --|05  10|-- 5Y
3A --|05  10|-- 5Y
  3Y --|06  09|-- 4A
3Y --|06  09|-- 4A
Gnd --|07  08|-- 4Y
Gnd --|07  08|-- 4Y
      `------'
      `------'</pre>


== Signal descriptions ==
== Signal descriptions ==

Revision as of 04:15, 31 January 2013

The 7404 (variants 74LS04, 74HC04) is a 74-series logic IC with six independent inverters.

7404 Pinout

      .--\/--.
 1A --|01  14|-- +5V
 1Y --|02  13|-- 6A
 2A --|03  12|-- 6Y
 2Y --|04  11|-- 5A
 3A --|05  10|-- 5Y
 3Y --|06  09|-- 4A
Gnd --|07  08|-- 4Y
      `------'

Signal descriptions

Y is the logical inverse of A