diff --git a/library/atmel.dcm b/library/atmel.dcm
index 8fd81530..8e522bfe 100644
--- a/library/atmel.dcm
+++ b/library/atmel.dcm
@@ -192,13 +192,13 @@ K AVR 8bit Microcontroller ClassicAVR
 F http://www.atmel.com/Images/doc0841.pdf
 $ENDCMP
 #
-$CMP AT90S4433-4AC
+$CMP AT90S4433-8AC
 D TQFP32, 4k Flash, 128B SRAM, 256B EEPROM
 K AVR 8bit Microcontroller ClassicAVR
 F http://www.atmel.com/Images/doc1042.pdf
 $ENDCMP
 #
-$CMP AT90S4433-4PC
+$CMP AT90S4433-8PC
 D PDIP28 Narrow, 4k Flash, 128B SRAM, 256B EEPROM
 K AVR 8bit Microcontroller ClassicAVR
 F http://www.atmel.com/Images/doc1042.pdf
@@ -570,7 +570,7 @@ K AVR 8bit Microcontroller MegaAVR PicoPower
 F http://www.atmel.com/images/atmel-8271-8-bit-avr-microcontroller-atmega48a-48pa-88a-88pa-168a-168pa-328-328p_datasheet.pdf
 $ENDCMP
 #
-$CMP ATMEGA168PA-MM
+$CMP ATMEGA168PA-MMH
 D QFN/MLF28, 16k Flash, 1kB SRAM, 512B EEPROM
 K AVR 8bit Microcontroller MegaAVR PicoPower
 F http://www.atmel.com/images/atmel-8271-8-bit-avr-microcontroller-atmega48a-48pa-88a-88pa-168a-168pa-328-328p_datasheet.pdf
@@ -1008,12 +1008,6 @@ K AVR 8bit Microcontroller MegaAVR
 F http://www.atmel.com/Images/doc2545.pdf
 $ENDCMP
 #
-$CMP ATMEGA48-20MMU
-D QFN/MLF28, 4k Flash, 256B SRAM, 512B EEPROM
-K AVR 8bit Microcontroller MegaAVR
-F http://www.atmel.com/Images/doc2545.pdf
-$ENDCMP
-#
 $CMP ATMEGA48-20PU
 D PDIP28 Narrow, 4k Flash, 256B SRAM, 512B EEPROM
 K AVR 8bit Microcontroller MegaAVR
@@ -1658,7 +1652,7 @@ K AVR 8bit Microcontroller tinyAVR
 F http://www.atmel.com/Images/doc8183.pdf
 $ENDCMP
 #
-$CMP ATTINY24A-MMU
+$CMP ATTINY24A-MMH
 D VQFN20, 2k Flash, 128B SRAM, 128B EEPROM, dW
 K AVR 8bit Microcontroller tinyAVR
 F http://www.atmel.com/Images/doc8183.pdf
@@ -1988,7 +1982,7 @@ K AVR 8bit Microcontroller tinyAVR
 F http://www.atmel.com/Images/doc8006.pdf
 $ENDCMP
 #
-$CMP ATTINY84-20SU
+$CMP ATTINY84-20SSU
 D SO14, 8k Flash, 512B SRAM, 128B EEPROM, dW
 K AVR 8bit Microcontroller tinyAVR
 F http://www.atmel.com/Images/doc8006.pdf
@@ -2126,7 +2120,7 @@ K AVR 8bit Microcontroller tinyAVR
 F http://www.atmel.com/Images/doc8008.pdf
 $ENDCMP
 #
-$CMP ATTINY88-MMU
+$CMP ATTINY88-MMH
 D QFN/MLF28, 8k Flash, 512B SRAM, 64B EEPROM
 K AVR 8bit Microcontroller tinyAVR
 F http://www.atmel.com/Images/doc8008.pdf
diff --git a/library/atmel.lib b/library/atmel.lib
index 3e581897..4216d61d 100644
--- a/library/atmel.lib
+++ b/library/atmel.lib
@@ -821,7 +821,7 @@ ENDDEF
 #
 DEF AT90S4414-4PC U 0 40 Y Y 1 F N
 F0 "U" -850 1880 50 H V L BNN
-F1 "AT90S4414-P" 450 -1950 50 H V L BNN
+F1 "AT90S4414-4PC" 450 -1950 50 H V L BNN
 F2 "DIL40" 0 0 50 H I C CIN
 F3 "" 0 0 50 H I C CNN
 ALIAS AT90S8515-4PC
@@ -2448,7 +2448,7 @@ F0 "U" -850 1880 50 H V L BNN
 F1 "ATMEGA164P-20AU" 400 -1950 50 H V L BNN
 F2 "TQFP44" 0 0 50 H I C CIN
 F3 "" 0 0 50 H I C CNN
-ALIAS ATMEGA324P-20AU ATMEGA644P-AU
+ALIAS ATMEGA324P-20AU ATMEGA644P-20AU
 DRAW
 S -850 1850 850 -1850 0 1 10 f
 X (PCINT13/MOSI)PB5 1 1000 300 150 L 40 40 1 1 B
@@ -2505,7 +2505,7 @@ F0 "U" -850 1880 50 H V L BNN
 F1 "ATMEGA164P-20MU" 400 -1950 50 H V L BNN
 F2 "MLF/QFN44" 0 0 50 H I C CIN
 F3 "" 0 0 50 H I C CNN
-ALIAS ATMEGA324P-20MU ATMEGA644P-MU
+ALIAS ATMEGA324P-20MU ATMEGA644P-20MU
 DRAW
 S -850 1850 850 -1850 0 1 10 f
 X (PCINT13/MOSI)PB5 1 1000 300 150 L 40 40 1 1 B
@@ -2555,14 +2555,14 @@ X GND 39 -250 -2000 150 U 40 40 1 1 W
 ENDDRAW
 ENDDEF
 #
-# ATMEGA164P-PU
+# ATMEGA164P-20PU
 #
-DEF ATMEGA164P-PU U 0 40 Y Y 1 F N
+DEF ATMEGA164P-20PU U 0 40 Y Y 1 F N
 F0 "U" -850 1880 50 H V L BNN
-F1 "ATMEGA164P-PU" 400 -1950 50 H V L BNN
+F1 "ATMEGA164P-20PU" 400 -1950 50 H V L BNN
 F2 "DIL40" 0 0 50 H I C CIN
 F3 "" 0 0 50 H I C CNN
-ALIAS ATMEGA324P-PU ATMEGA644P-PU
+ALIAS ATMEGA324P-20PU ATMEGA644P-20PU
 $FPLIST
  40DIP-ELL600
  40dip600
@@ -6519,11 +6519,11 @@ X VCC 15 1000 250 150 L 40 40 1 1 W
 ENDDRAW
 ENDDEF
 #
-# ATTINY13-20MMH
+# ATTINY13-20MMU
 #
-DEF ATTINY13-20MMH U 0 40 Y Y 1 F N
+DEF ATTINY13-20MMU U 0 40 Y Y 1 F N
 F0 "U" -800 400 50 H V C CNN
-F1 "ATTINY13-20MMH" 650 -400 50 H V C CNN
+F1 "ATTINY13-20MMU" 650 -400 50 H V C CNN
 F2 "QFN/MLF10" 600 0 50 H I C CIN
 F3 "" -800 350 50 H I C CNN
 ALIAS ATTINY13A-MMF
@@ -10713,12 +10713,12 @@ X ~ 10 50 -200 100 L 40 40 1 1 P
 ENDDRAW
 ENDDEF
 #
-# AVR-PDI-6
+# AVR-PUDI-6
 #
-DEF AVR-PDI-6 CON 0 40 Y Y 1 F N
+DEF AVR-PUDI-6 CON 0 40 Y Y 1 F N
 F0 "CON" -80 240 50 H V C CNN
-F1 "AVR-PDI-6" -210 -245 50 H V L BNN
-F2 "AVR-PDI-6" -445 35 50 V I C CNN
+F1 "AVR-PUDI-6" -210 -245 50 H V L BNN
+F2 "AVR-PUDI-6" -445 35 50 V I C CNN
 F3 "" 0 0 50 H I C CNN
 DRAW
 T 0 -350 0 45 0 0 0 NC  Normal 1 C C