Editing 7400 series

[[File:7400_Series_Chips_1.jpg|thumb|right|250px|A series of various 74LS chips.]]
'''7400 series''' is an [[extended family]] of digital [[integrated circuit]]s. Chips in this series include a variety of [[discrete logic chip]]s chips such as [[and gates]] and [[or gates]] as well as [[register]]s, [[decoder]]s, and [[RAM]] units. 

While the original series was designed as [[transistor-transistor logic|TTL]] logic chips, over the years, a large number of sub-families have been introduced. Generally speaking, parts from the same subfamily can be used freely with other parts from the same subfamily. However, in many cases not with parts from other subfamilies. This is because voltage and current configurations for ICs from the same subfamily are designed so they can be connected without requiring additional work.

== Part Identification ==
{{chip identification
| style     = float: right;
| parts     = 6
| ex 1      = HD
| ex 2      = 54
| ex 3      = LS
| ex 4      =
| ex 5      = 10
| ex 2 1    = SN
| ex 2 2    = 74
| ex 2 3    = HCT
| ex 2 4    = 2G
| ex 2 5    = 04
| ex 2 6    = N
| desc 1    = [[Manufacturer Prefix]]
| desc 2    = Specs/Temp Indicator
| desc 3    = Technology Indicator
| desc 4    = Gates Count
| desc 5    = Device Number
| desc 6    = Package Designation
}}

* '''Specs/Temp Indicator:'''
:'''75''' - Interface device
:'''74''' - Commercial Grade
:'''64''' - Industrial
:'''54''' - Military/Airspace Grade

* '''Technology indicator:'''
:{{main|/logic families}}
:Some of more popular ones you'll encounter are:
::'''None''' - When no indicator is found, this implies it's the original [[transistor-transistor logic|TTL]]
::'''LS''' - Low-power Schottky. Same as ''L'' series but with reduced power consumption and switching speed.
::'''HC''' - High-speed [[CMOS]], similar to ''LS''
::'''HCT''' - High-speed CMOS, with TTL-compatible inputs

* '''Gates Count''' (surface mount ICs only)
:'''1G''' = 1, '''2G''' = 2, '''3G''' = 3 

* '''Device Number'''
:
{|
|
:'''00''' - [[NAND]]
:'''02''' - [[NOR]]
:'''04''' - [[NOT]]
:'''08''' - [[AND]]
||
:'''10''' - 3-input [[NAND]]
:'''11''' - 3-input [[AND]]
:'''20''' - 4-input [[NAND]]
:'''21''' - 4-input [[AND]]
||
:'''25''' - 4-input [[NOR]]
:'''27''' - 3-input [[NOR]]
:'''30''' - 8-input [[NAND]]
:'''32''' - 2-input [[OR]]
||
:etc.. (full list below)
|}

* '''Package Designation'''
:
{|
|
:'''D''' - [[dual in-line package|DIP]]
:'''DB''' - [[shrink small-outline package|SSOP]]
||
:'''FK''' - [[leadless ceramic chip carrier|LCCC]]
:'''J''' - [[ceramic dual in-line package|CDIP]]
||
:'''N''' - Plastic DIP
:'''NS''' - [[small-outline package|SOP]]
||
:'''PS''' - [[small-outline package|SOP]]
:'''T''' - Flat package
||
:'''W''' - [[ceramic flat pack|CFP]]
|}

=== Example ===
[[File:Circuito integrado DM74LS221M.jpg|250px|right]]

Chip is labeled '''DM74LS221N''':
:'''DM''' - prefix - made by [[Fairchild]] or [[National Semiconductor]], but given the '''F''' logo, we can determine it's Fairchild.
:'''74''' - series - commercial grade chip
:'''LS''' - techno - Low-power Schottky.
:'''221''' - device - Dual non-retriggerable monostable multivibrator with reset
:'''N''' - package - standard plastic DIP

== List of Devices ==
{| class="wikitable sortable"
! Device Number !! Description 
|-
| {{\|7400}} || Quad 2-Input NAND Gate
|-
| {{\|7401}} || Quad 2-Input NAND Gate; Open-Collector Outputs
|-
| {{\|7402}} || Quad 2-Input NOR Gate
|-
| {{\|7403}} || Quad 2-Input NAND Gate; Open-Collector Outputs
|-
| {{\|7404}} || Hex Inverter
|-
| {{\|7405}} || Hex Inverter; Open-Collector Outputs
|-
| {{\|7406}} || Hex Inverter; Open-Collector, High Voltage Outputs
|-
| {{\|7407}} || Hex Buffer; Open-Collector, High Voltage Outputs
|-
| {{\|7408}} || Quad 2-Input AND Gate
|-
| {{\|7409}} || Quad 2-input AND Gate; Open-Collector Outputs
|-
| {{\|7410}} || Triple 3-Input NAND Gate
|-
| {{\|7411}} || Triple 3-Input AND Gate
|-
| {{\|7412}} || Triple 3-Input NAND Gate; Open-Collector Outputs
|-
| {{\|7413}} || Dual 4-Input NAND [[Schmitt trigger]]s
|-
| {{\|7414}} || Hex Schmitt-Trigger Inverter
|-
| {{\|7415}} || Triple 3-Input AND Gate; Open-Collector Outputs
|-
| {{\|7416}} || Hex Inverter/Driver; Open-Collector, 15V Outputs
|-
| {{\|7417}} || Hex Buffer/Driver; Open-Collector, 15V Outputs
|-
| {{\|7418}} || Dual 4-Input NAND Gate; Schmitt-Trigger Inputs
|-
| {{\|7419}} || Hex Schmitt-Trigger Inverter
|-
| {{\|7420}} || Dual 4-Input NAND Gate
|-
| {{\|7421}} || Dual 4-Input AND Gate; Open-Collector, 15V Outputs
|-
| {{\|7422}} || Dual 4-Input NAND Gate; Open-Collector, 15V Outputs
|-
| {{\|7423}} || Dual 4-Input NOR Gate with Strobe
|-
| {{\|7424}} || Quad 2-Input NAND Gate; Schmitt-Trigger Inputs
|-
| {{\|7425}} || Dual 4-Input NOR Gate with Strobe
|-
| {{\|7426}} || Quad 2-Input NAND Gate; Open-Collector, 15V Outputs
|-
| {{\|7427}} || Triple 3-Input NOR Gate
|-
| {{\|7428}} || Quad 2-Input NOR Gate
|-
| {{\|7429}} ||
|-
| {{\|7430}} || 8-Input NAND Gate
|-
| {{\|7431}} || Hex Delay Elements
|-
| {{\|7432}} || Quad 2-Input OR Gate
|-
| {{\|7433}} || Quad 2-Input NOR Gate; Open-Collector Outputs
|-
| {{\|7434}} || Hex Non-Inverter
|-
| {{\|7435}} || Hex Non-Inverter; Open-Collector Outputs
|-
| {{\|7436}} || Quad 2-Input NOR Gate (Different [[pinout]])
|-
| {{\|7437}} || Quad 2-Input NAND Gate (Different [[pinout]])
|-
| {{\|7438}} || Quad 2-Input NAND Gate; Open-Collector Outputs
|-
| {{\|7439}} || Quad 2-Input NAND Gate; Open-Collector Outputs (Different [[pinout]])
|-
| {{\|7440}} || Dual 4-Input NAND Gate
|-
| {{\|7447}} || BCD to 7-Segment Decoder/Driver; Open-Collector Outputs
|-
| {{\|7474}} || Dual Positive-Edge-Triggered D Flip-Flops; Preset, Clear and Complimentary Outputs
|-
| {{\|7486}} || Quad 2-Input XOR Gate
|-
| {{\|74112}} || Dual Negative-Edge-Triggered J-K Flip-Flop; Preset, Clear and Complimentary Outputs 
|-
| {{\|74138}} || 3-Line to 8-Line Decoders/Demultiplexers
|-
| {{\|74151}} || 8-Input Multiplexer
|-
| {{\|74191}} || Synchronous 4-Bit Up/Down Counter with Mode Control
|-
| {{\|74194}} || 4-Bit Bidirectional Universal Shift Register
|-
| {{\|74244}} || Octal 3-State Buffer/Line Driver/Line Receiver
|-
| {{\|74245}} || Octal Bus Transceivers with 3-State Outputs
|-
| {{\|74283}} || 4-Bit Binary Full Adder with Fast Carry
|-
| {{\|74373}} || Octal Transparent Latch with 3-State Outputs; Octal D-Type Flip-Flop with 3-State Outputs
|-
| {{\|74390}} || Dual 4-Bit Decade and Binary Counters
|-
| {{\|74595}} || 8-Bit Shift Registers with 3-State Output Registers
|- 
| {{\|74612}} || Memory Mappers
|-
@@ Line 34: / Line 34: @@
 * '''Technology indicator:'''
+:{{main|/logic families}}
 :Some of more popular ones you'll encounter are:
-::''None'' - When no indicator is found, this implies it's the original [[transistor-transistor logic|TTL]]
+::'''None''' - When no indicator is found, this implies it's the original [[transistor-transistor logic|TTL]]
-::Bipolar
+::'''LS''' - Low-power Schottky. Same as ''L'' series but with reduced power consumption and switching speed.
-:::'''S''' - Schottky logic.
+::'''HC''' - High-speed [[CMOS]], similar to ''LS''
-:::'''LS''' - Low-power Schottky. Same as ''L'' series but with reduced power consumption and switching speed.
+::'''HCT''' - High-speed CMOS, with TTL-compatible inputs
-::CMOS
-:::'''C''' - [[CMOS]]
-:::'''AC''' / '''ACT''' - Advanced CMOS (T version for TTL-compatible inputs)
-:::'''HC''' / '''HCT''' - High-speed [[CMOS]], similar to ''LS'' (T version for TTL-compatible inputs)
-:::'''AHC''' / '''AHCT''' - Advanced high-speed CMOS (T version for TTL-compatible inputs)
-:::'''LV''' / '''LVC'''' - Low-Voltage CMOS
-::BiCMOS
-:::'''BCT''' - [[BiCMOS]]
-:::'''ABT''' - Advanced BiCMOS
 * '''Gates Count''' (surface mount ICs only)