diff --git a/library/interface.dcm b/library/interface.dcm
index 7537f820..3d56671b 100644
--- a/library/interface.dcm
+++ b/library/interface.dcm
@@ -363,14 +363,14 @@ F http://ww1.microchip.com/downloads/en/DeviceDoc/11187f.pdf
 $ENDCMP
 #
 $CMP MCP2551-I/P
-D High-Speed CAN Transceiver, PDIP8
-K High-Speed CAN Transceiver
+D 1Mbps CAN Transceiver, DIP-8 package
+K can transceiver
 F http://ww1.microchip.com/downloads/en/devicedoc/21667d.pdf
 $ENDCMP
 #
 $CMP MCP2551-I/SN
-D High-Speed CAN Transceiver, SO8
-K High-Speed CAN Transceiver
+D 1Mbps CAN Transceiver, SOIC-8 package
+K can transceiver
 F http://ww1.microchip.com/downloads/en/devicedoc/21667d.pdf
 $ENDCMP
 #
diff --git a/library/interface.lib b/library/interface.lib
index 3546b023..31ad7d37 100644
--- a/library/interface.lib
+++ b/library/interface.lib
@@ -1895,10 +1895,11 @@ ENDDEF
 # MCP2551-I/P
 #
 DEF MCP2551-I/P U 0 40 Y Y 1 F N
-F0 "U" -400 350 50 H V L CNN
+F0 "U" -300 350 50 H V L CNN
 F1 "MCP2551-I/P" 100 350 50 H V L CNN
-F2 "DIP-8" 0 0 50 H V C CIN
+F2 "" 0 0 50 H V C CIN
 F3 "" 0 0 50 H V C CNN
+ALIAS MCP2551-I/SN
 $FPLIST
  DIP8*
 $ENDFPLIST
@@ -1915,29 +1916,6 @@ X Rs 8 -400 -200 100 R 50 50 1 1 I
 ENDDRAW
 ENDDEF
 #
-# MCP2551-I/SN
-#
-DEF MCP2551-I/SN U 0 40 Y Y 1 F N
-F0 "U" -400 350 50 H V L CNN
-F1 "MCP2551-I/SN" 100 350 50 H V L CNN
-F2 "SO-8" 0 0 50 H V C CIN
-F3 "" 0 0 50 H V C CNN
-$FPLIST
- SO8*
-$ENDFPLIST
-DRAW
-S -300 300 300 -300 0 1 10 f
-X TXD 1 -400 200 100 R 50 50 1 1 I
-X VSS 2 0 -400 100 U 50 50 1 1 W
-X VDD 3 0 400 100 D 50 50 1 1 W
-X RXD 4 -400 100 100 R 50 50 1 1 O
-X Vref 5 -400 -100 100 R 50 50 1 1 I
-X CANL 6 400 -100 100 L 50 50 1 1 B
-X CANH 7 400 100 100 L 50 50 1 1 B
-X Rs 8 -400 -200 100 R 50 50 1 1 I
-ENDDRAW
-ENDDEF
-#
 # MCP2561-I/P
 #
 DEF MCP2561-I/P U 0 40 Y Y 1 F N