diff --git a/src/main/dig/74xx/lib/basic/7413.dig b/src/main/dig/74xx/lib/basic/7413.dig
new file mode 100644
index 000000000..a3c4c9678
--- /dev/null
+++ b/src/main/dig/74xx/lib/basic/7413.dig
@@ -0,0 +1,222 @@
+
+
+ 1
+
+
+ isDIL
+ true
+
+
+ Description
+ dual 4-input NAND gate, Schmitt trigger
+
+
+ lockedMode
+ true
+
+
+
+
+ In
+
+
+ Label
+ 1A
+
+
+ pinNumber
+ 1
+
+
+
+
+
+ In
+
+
+ Label
+ 1C
+
+
+ pinNumber
+ 4
+
+
+
+
+
+ Out
+
+
+ Label
+ 1Y
+
+
+ pinNumber
+ 6
+
+
+
+
+
+ In
+
+
+ Label
+ 2A
+
+
+ pinNumber
+ 9
+
+
+
+
+
+ In
+
+
+ Label
+ 2C
+
+
+ pinNumber
+ 12
+
+
+
+
+
+ Out
+
+
+ Label
+ 2Y
+
+
+ pinNumber
+ 8
+
+
+
+
+
+ In
+
+
+ Label
+ 1B
+
+
+ pinNumber
+ 2
+
+
+
+
+
+ In
+
+
+ Label
+ 2B
+
+
+ pinNumber
+ 10
+
+
+
+
+
+ NAnd
+
+
+ Inputs
+ 4
+
+
+
+
+
+ NAnd
+
+
+ Inputs
+ 4
+
+
+
+
+
+ In
+
+
+ Label
+ 1D
+
+
+ pinNumber
+ 5
+
+
+
+
+
+ In
+
+
+ Label
+ 2D
+
+
+ pinNumber
+ 13
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/src/main/dig/74xx/lib/basic/7414.dig b/src/main/dig/74xx/lib/basic/7414.dig
new file mode 100644
index 000000000..db7bac8c1
--- /dev/null
+++ b/src/main/dig/74xx/lib/basic/7414.dig
@@ -0,0 +1,268 @@
+
+
+ 1
+
+
+ isDIL
+ true
+
+
+ Description
+ hex inverter, Schmitt trigger
+
+
+ lockedMode
+ true
+
+
+
+
+ Not
+
+
+
+
+ In
+
+
+ Label
+ 1A
+
+
+ pinNumber
+ 1
+
+
+
+
+
+ Out
+
+
+ Label
+ 1Y
+
+
+ pinNumber
+ 2
+
+
+
+
+
+ Not
+
+
+
+
+ In
+
+
+ Label
+ 2A
+
+
+ pinNumber
+ 3
+
+
+
+
+
+ Out
+
+
+ Label
+ 2Y
+
+
+ pinNumber
+ 4
+
+
+
+
+
+ Not
+
+
+
+
+ In
+
+
+ Label
+ 3A
+
+
+ pinNumber
+ 5
+
+
+
+
+
+ Out
+
+
+ Label
+ 3Y
+
+
+ pinNumber
+ 6
+
+
+
+
+
+ Not
+
+
+
+
+ In
+
+
+ Label
+ 4A
+
+
+ pinNumber
+ 9
+
+
+
+
+
+ Out
+
+
+ Label
+ 4Y
+
+
+ pinNumber
+ 8
+
+
+
+
+
+ Not
+
+
+
+
+ In
+
+
+ Label
+ 5A
+
+
+ pinNumber
+ 11
+
+
+
+
+
+ Out
+
+
+ Label
+ 5Y
+
+
+ pinNumber
+ 10
+
+
+
+
+
+ Not
+
+
+
+
+ In
+
+
+ Label
+ 6A
+
+
+ pinNumber
+ 13
+
+
+
+
+
+ Out
+
+
+ Label
+ 6Y
+
+
+ pinNumber
+ 12
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/src/main/dig/74xx/lib/basic/7451.dig b/src/main/dig/74xx/lib/basic/7451.dig
index cf579a3dc..3bc90c6a3 100644
--- a/src/main/dig/74xx/lib/basic/7451.dig
+++ b/src/main/dig/74xx/lib/basic/7451.dig
@@ -8,7 +8,7 @@
Description
- 2-input/3-input AND-OR invert gate
+ 2-input/3-input AND-NOR gate
lockedMode
@@ -16,31 +16,6 @@
-
- Or
-
-
- Inputs
- 3
-
-
-
-
-
- Or
-
-
- Inputs
- 3
-
-
-
-
-
- NAnd
-
-
-
Out
@@ -139,21 +114,6 @@
-
- Or
-
-
-
-
- Or
-
-
-
-
- NAnd
-
-
-
Out
@@ -224,6 +184,46 @@
+
+ And
+
+
+
+
+ And
+
+
+
+
+ And
+
+
+ Inputs
+ 3
+
+
+
+
+
+ And
+
+
+ Inputs
+ 3
+
+
+
+
+
+ NOr
+
+
+
+
+ NOr
+
+
+
diff --git a/src/main/dig/74xx/lib/basic/7455.dig b/src/main/dig/74xx/lib/basic/7455.dig
new file mode 100644
index 000000000..62d8677f5
--- /dev/null
+++ b/src/main/dig/74xx/lib/basic/7455.dig
@@ -0,0 +1,233 @@
+
+
+ 1
+
+
+ isDIL
+ true
+
+
+ Description
+ 2 wide 4-input AND-NOR gate
+
+
+ lockedMode
+ true
+
+
+
+
+ Out
+
+
+ Label
+ Y
+
+
+ pinNumber
+ 8
+
+
+
+
+
+ In
+
+
+ Label
+ 1A
+
+
+ pinNumber
+ 1
+
+
+
+
+
+ In
+
+
+ Label
+ 1C
+
+
+ pinNumber
+ 3
+
+
+
+
+
+ In
+
+
+ Label
+ 1B
+
+
+ pinNumber
+ 2
+
+
+
+
+
+ And
+
+
+ Inputs
+ 4
+
+
+
+
+
+ And
+
+
+ Inputs
+ 4
+
+
+
+
+
+ NOr
+
+
+
+
+ In
+
+
+ Label
+ 1D
+
+
+ pinNumber
+ 4
+
+
+
+
+
+ In
+
+
+ Label
+ 2A
+
+
+ pinNumber
+ 10
+
+
+
+
+
+ In
+
+
+ Label
+ 2C
+
+
+ pinNumber
+ 12
+
+
+
+
+
+ In
+
+
+ Label
+ 2B
+
+
+ pinNumber
+ 11
+
+
+
+
+
+ In
+
+
+ Label
+ 2D
+
+
+ pinNumber
+ 13
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/src/main/dig/74xx/lib/plexers/7442.dig b/src/main/dig/74xx/lib/plexers/7442.dig
new file mode 100644
index 000000000..b3b4995fb
--- /dev/null
+++ b/src/main/dig/74xx/lib/plexers/7442.dig
@@ -0,0 +1,323 @@
+
+
+ 1
+
+
+ isDIL
+ true
+
+
+ Description
+ 4-line BCD to 10-line decimal decoder
+
+
+ lockedMode
+ true
+
+
+
+
+ Demultiplexer
+
+
+ Selector Bits
+ 4
+
+
+ Default
+ 1
+
+
+
+
+
+ Splitter
+
+
+ Input Splitting
+ 1*4
+
+
+ Output Splitting
+ 4
+
+
+
+
+
+ In
+
+
+ Label
+ A
+
+
+ pinNumber
+ 15
+
+
+
+
+
+ In
+
+
+ Label
+ C
+
+
+ pinNumber
+ 13
+
+
+
+
+
+ In
+
+
+ Label
+ B
+
+
+ pinNumber
+ 14
+
+
+
+
+
+ In
+
+
+ Label
+ D
+
+
+ pinNumber
+ 12
+
+
+
+
+
+ Out
+
+
+ Label
+ Y0
+
+
+ pinNumber
+ 1
+
+
+
+
+
+ Out
+
+
+ Label
+ Y1
+
+
+ pinNumber
+ 2
+
+
+
+
+
+ Out
+
+
+ Label
+ Y2
+
+
+ pinNumber
+ 3
+
+
+
+
+
+ Out
+
+
+ Label
+ Y3
+
+
+ pinNumber
+ 4
+
+
+
+
+
+ Out
+
+
+ Label
+ Y4
+
+
+ pinNumber
+ 5
+
+
+
+
+
+ Out
+
+
+ Label
+ Y5
+
+
+ pinNumber
+ 6
+
+
+
+
+
+ Out
+
+
+ Label
+ Y6
+
+
+ pinNumber
+ 7
+
+
+
+
+
+ Out
+
+
+ Label
+ Y7
+
+
+ pinNumber
+ 9
+
+
+
+
+
+ Out
+
+
+ Label
+ Y8
+
+
+ pinNumber
+ 10
+
+
+
+
+
+ Out
+
+
+ Label
+ Y9
+
+
+ pinNumber
+ 11
+
+
+
+
+
+ Ground
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/src/test/java/de/neemann/digital/integration/TestExamples.java b/src/test/java/de/neemann/digital/integration/TestExamples.java
index 144f463a3..f7e11f184 100644
--- a/src/test/java/de/neemann/digital/integration/TestExamples.java
+++ b/src/test/java/de/neemann/digital/integration/TestExamples.java
@@ -28,7 +28,7 @@ public class TestExamples extends TestCase {
*/
public void testDistExamples() throws Exception {
File examples = new File(Resources.getRoot().getParentFile().getParentFile(), "/main/dig");
- assertEquals(166, new FileScanner(this::check).scan(examples));
+ assertEquals(170, new FileScanner(this::check).scan(examples));
assertEquals(78, testCasesInFiles);
}