diff --git a/library/intel.dcm b/library/intel.dcm
index 6391a356..c340f251 100644
--- a/library/intel.dcm
+++ b/library/intel.dcm
@@ -93,6 +93,18 @@ D Universal Asynchronous Receiver/Transmitter, PDIP-28
 K UART Serial Interface
 $ENDCMP
 #
+$CMP 8253
+D Programmable Interval Timer, PDIP-24
+K Timer Counter
+F http://www.cpcwiki.eu/imgs/e/e3/8253.pdf
+$ENDCMP
+#
+$CMP 8254
+D Programmable Interval Timer, PDIP-24
+K Timer Counter
+F http://www.scs.stanford.edu/10wi-cs140/pintos/specs/8254.pdf
+$ENDCMP
+#
 $CMP 8255
 D Programmable Peripheral Interface, PDIP-40
 K 8255 PPI
@@ -128,9 +140,16 @@ K Bus Controller
 F http://www.datasheets360.com/pdf/7208679415653955300
 $ENDCMP
 #
-$CMP 82C54_PLCC
-D 82C54, Triple Channel Timer/Counter, PLCC-28
+$CMP 82C54
+D CHMOS Programmable Interval Timer, PDIP-24
 K Timer Counter
+F http://download.intel.com/design/archives/periphrl/docs/23124406.pdf
+$ENDCMP
+#
+$CMP 82C54_PLCC
+D CHMOS Programmable Interval Timer, PLCC-28
+K Timer Counter
+F http://download.intel.com/design/archives/periphrl/docs/23124406.pdf
 $ENDCMP
 #
 $CMP 82C55A
diff --git a/library/intel.lib b/library/intel.lib
index 575e5ed4..f566eeb1 100644
--- a/library/intel.lib
+++ b/library/intel.lib
@@ -780,36 +780,84 @@ X ~S0~ 19 -700 600 150 R 50 50 1 1 I
 ENDDRAW
 ENDDEF
 #
+# 82C54
+#
+DEF 82C54 U 0 40 Y Y 1 F N
+F0 "U" -450 900 50 H V L CNN
+F1 "82C54" 100 900 50 H V L CNN
+F2 "Housings_DIP:DIP-24_W15.24mm" 50 250 50 H I C CNN
+F3 "" -450 900 50 H I C CNN
+ALIAS 8254 8253
+$FPLIST
+ DIP*W15.24mm*
+ PDIP*W15.24mm*
+$ENDFPLIST
+DRAW
+S -450 -850 450 850 0 1 10 f
+X D7 1 -600 0 150 R 50 50 1 1 B
+X D6 2 -600 100 150 R 50 50 1 1 B
+X D5 3 -600 200 150 R 50 50 1 1 B
+X D4 4 -600 300 150 R 50 50 1 1 B
+X D3 5 -600 400 150 R 50 50 1 1 B
+X D2 6 -600 500 150 R 50 50 1 1 B
+X D1 7 -600 600 150 R 50 50 1 1 B
+X D0 8 -600 700 150 R 50 50 1 1 B
+X CLK0 9 600 600 150 L 50 50 1 1 I C
+X OUT0 10 600 400 150 L 50 50 1 1 O
+X A1 20 -600 -500 150 R 50 50 1 1 I
+X G0 11 600 500 150 L 50 50 1 1 I
+X ~CS~ 21 -600 -700 150 R 50 50 1 1 I
+X GND 12 0 -1000 150 U 50 50 1 1 W
+X ~RD~ 22 -600 -200 150 R 50 50 1 1 I
+X OUT1 13 600 -100 150 L 50 50 1 1 O
+X ~WR~ 23 -600 -300 150 R 50 50 1 1 I
+X G1 14 600 0 150 L 50 50 1 1 I
+X VCC 24 0 1000 150 D 50 50 1 1 W
+X CLK1 15 600 100 150 L 50 50 1 1 I C
+X G2 16 600 -500 150 L 50 50 1 1 I
+X OUT2 17 600 -600 150 L 50 50 1 1 O
+X CLK2 18 600 -400 150 L 50 50 1 1 I C
+X A0 19 -600 -400 150 R 50 50 1 1 I
+ENDDRAW
+ENDDEF
+#
 # 82C54_PLCC
 #
 DEF 82C54_PLCC U 0 40 Y Y 1 F N
 F0 "U" -450 900 50 H V L CNN
 F1 "82C54_PLCC" 100 900 50 H V L CNN
-F2 "" 0 0 50 H I C CNN
-F3 "" 0 0 50 H I C CNN
+F2 "Sockets:PLCC28" 50 250 50 H I C CNN
+F3 "" -450 900 50 H I C CNN
+$FPLIST
+ *PLCC?28*
+$ENDFPLIST
 DRAW
 S -450 -850 450 850 0 1 10 f
-X D7 2 -600 0 150 R 50 50 1 1 I
-X D6 3 -600 100 150 R 50 50 1 1 I
-X D5 4 -600 200 150 R 50 50 1 1 I
-X D4 5 -600 300 150 R 50 50 1 1 I
-X D3 6 -600 400 150 R 50 50 1 1 I
-X D2 7 -600 500 150 R 50 50 1 1 I
-X D1 8 -600 600 150 R 50 50 1 1 I
-X D0 9 -600 700 150 R 50 50 1 1 I
+X NC 1 100 -1000 150 U 50 50 1 1 N N
+X D7 2 -600 0 150 R 50 50 1 1 B
+X D6 3 -600 100 150 R 50 50 1 1 B
+X D5 4 -600 200 150 R 50 50 1 1 B
+X D4 5 -600 300 150 R 50 50 1 1 B
+X D3 6 -600 400 150 R 50 50 1 1 B
+X D2 7 -600 500 150 R 50 50 1 1 B
+X D1 8 -600 600 150 R 50 50 1 1 B
+X D0 9 -600 700 150 R 50 50 1 1 B
 X CLK0 10 600 600 150 L 50 50 1 1 I C
 X OUT2 20 600 -600 150 L 50 50 1 1 O
+X NC 11 200 -1000 150 U 50 50 1 1 N N
 X CLK2 21 600 -400 150 L 50 50 1 1 I C
 X OUT0 12 600 400 150 L 50 50 1 1 O
 X A0 22 -600 -400 150 R 50 50 1 1 I
 X G0 13 600 500 150 L 50 50 1 1 I
 X A1 23 -600 -500 150 R 50 50 1 1 I
 X GND 14 0 -1000 150 U 50 50 1 1 W
-X ~CS~ 24 -600 -700 150 R 50 50 1 1 I I
+X ~CS~ 24 -600 -700 150 R 50 50 1 1 I
+X NC 15 300 -1000 150 U 50 50 1 1 N N
+X NC 25 400 -1000 150 U 50 50 1 1 N N
 X OUT1 16 600 -100 150 L 50 50 1 1 O
-X ~RD~ 26 -600 -200 150 R 50 50 1 1 I I
+X ~RD~ 26 -600 -200 150 R 50 50 1 1 I
 X G1 17 600 0 150 L 50 50 1 1 I
-X ~WR~ 27 -600 -300 150 R 50 50 1 1 I I
+X ~WR~ 27 -600 -300 150 R 50 50 1 1 I
 X CLK1 18 600 100 150 L 50 50 1 1 I C
 X VCC 28 0 1000 150 D 50 50 1 1 W
 X G2 19 600 -500 150 L 50 50 1 1 I