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Product Change NoticeMicrochip

Microchip Qualification Report: CuPdAu Bond Wire for ATXMEGA, ATMEGA, AT90CAN, and AT90USB Families

Qualification report for palladium-coated copper with gold flash (CuPdAu) bond wire in Microchip ATXMEGA and ATMEGA devices in 64L and 100L TQFP packages at the MMT site.

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Overview

This qualification report documents the transition to palladium-coated copper with gold flash (CuPdAu) as a new bond wire material for selected Microchip microcontroller families, including ATXMEGA (128, 192, 256, 32, 384, 64)xx and various AT90CAN, AT90USB, and ATMEGA series. The change applies to devices in 64L and 100L TQFP (14x14x1mm) packages assembled at the MMT site. Reliability testing confirmed compliance with MSL-1 at 260°C reflow temperature. Passed tests include Temperature Cycling (-65°C to +150°C), Unbiased HAST (+130°C/85%RH), Biased HAST, and High Temperature Storage Life (175°C for 500 hours).

Use Cases

  • Verifying material compliance for industrial and automotive microcontroller applications
  • Assessing reliability data for Microchip ATMEGA and ATXMEGA series hardware design
  • Updating quality documentation for components transitioning to CuPdAu bond wires

Referenced Parts

AT90CAN128-16AU

Microchip

The AT90CAN128-16AU... catalog part numbers (CPN) available in 64L and 100L TQFP

AT90CAN128-16AUR

Microchip

The AT90CAN128-16AU, AT90CAN128-16AUR... catalog part numbers (CPN)

AT90USB1286-AU

Microchip

AT90USB1286-AU, AT90USB1286-AUR... catalog part numbers (CPN)

AT90USB1286-AUR

Microchip

AT90USB1286-AUR, AT90USB1287-AU... catalog part numbers (CPN)

AT90USB1287-AU

Microchip

AT90USB1287-AU, AT90USB1287-AUR... catalog part numbers (CPN)

AT90USB1287-AUR

Microchip

AT90USB1287-AUR, AT90USB646-AU... catalog part numbers (CPN)

AT90USB646-AU

Microchip

AT90USB646-AU, AT90USB646-AUR... catalog part numbers (CPN)

AT90USB646-AUR

Microchip

AT90USB646-AUR, AT90USB647-AU... catalog part numbers (CPN)

AT90USB647-AU

Microchip

AT90USB647-AU, AT90USB647-AUR... catalog part numbers (CPN)

AT90USB647-AUR

Microchip

AT90USB647-AUR, ATMEGA1280-16AU... catalog part numbers (CPN)

ATMEGA1280-16AU

Microchip

ATMEGA1280-16AU, ATMEGA1280-16AU-HCM... catalog part numbers (CPN)

ATMEGA1280-16AUR

Microchip

ATMEGA1280-16AUR, ATMEGA1280V-8AU... catalog part numbers (CPN)

ATMEGA1280V-8AU

Microchip

ATMEGA1280V-8AU, ATMEGA1280V-8AUR... catalog part numbers (CPN)

ATMEGA1280V-8AUR

Microchip

ATMEGA1280V-8AUR, ATMEGA1281-16AU... catalog part numbers (CPN)

ATMEGA1281-16AU

Microchip

ATMEGA1281-16AU, ATMEGA1281-16AUR... catalog part numbers (CPN)

ATMEGA1281-16AUR

Microchip

ATMEGA1281-16AUR, ATMEGA1281V-8AU... catalog part numbers (CPN)

ATMEGA1281V-8AU

Microchip

ATMEGA1281V-8AU, ATMEGA1281V-8AUR... catalog part numbers (CPN)

ATMEGA1281V-8AUR

Microchip

ATMEGA1281V-8AUR, ATMEGA2560-16AU... catalog part numbers (CPN)

ATMEGA2560-16AU

Microchip

ATMEGA2560-16AU, ATMEGA2560-16AU-HCM... catalog part numbers (CPN)

ATMEGA2560-16AUR

Microchip

ATMEGA2560-16AUR, ATMEGA2560V-8AU... catalog part numbers (CPN)

ATMEGA2560V-8AU

Microchip

ATMEGA2560V-8AU, ATMEGA2560V-8AUR... catalog part numbers (CPN)

ATMEGA2560V-8AUR

Microchip

ATMEGA2560V-8AUR, ATMEGA2561-16AU... catalog part numbers (CPN)

ATMEGA2561-16AU

Microchip

ATMEGA2561-16AU, ATMEGA2561-16AUR... catalog part numbers (CPN)

ATMEGA2561-16AUR

Microchip

ATMEGA2561-16AUR, ATMEGA2561V-8AU... catalog part numbers (CPN)

ATMEGA2561V-8AU

Microchip

ATMEGA2561V-8AU, ATMEGA2561V-8AUR... catalog part numbers (CPN)

ATMEGA2561V-8AUR

Microchip

ATMEGA2561V-8AUR, ATMEGA640-16AU... catalog part numbers (CPN)

ATMEGA640-16AU

Microchip

ATMEGA640-16AU, ATMEGA640-16AUR... catalog part numbers (CPN)

ATMEGA640-16AUR

Microchip

ATMEGA640-16AUR, ATMEGA640-16AURA0... catalog part numbers (CPN)

ATMEGA640V-8AU

Microchip

ATMEGA640V-8AU and ATMEGA640V-8AUR catalog part numbers (CPN)

ATMEGA640V-8AUR

Microchip

ATMEGA640V-8AUR catalog part numbers (CPN) available in 64L and 100L TQFP

AT90CAN128-16AU

Microchip

at the MMT assembly site. The AT90CAN128-16AU, AT90CAN128-

AT90CAN128-16AUR

Microchip

16AU, AT90CAN128-16AUR, AT90USB1286-AU, AT90USB1286-AUR,

AT90USB1286-AU

Microchip

16AUR, AT90USB1286-AU, AT90USB1286-AUR, AT90USB1287-

AT90USB1286-AU

Microchip

16AU, AT90CAN128-16AUR, AT90USB1286-AU, AT90USB1286-AUR,

AT90USB1286-AUR

Microchip

16AU, AT90CAN128-16AUR, AT90USB1286-AU, AT90USB1286-AUR,

AT90USB1286-AUR

Microchip

16AUR, AT90USB1286-AU, AT90USB1286-AUR, AT90USB1287-

AT90USB1287-AU

Microchip

AT90USB1287-AU, AT90USB1287-AUR, AT90USB646-AU,

AT90USB1287-AUR

Microchip

AU, AT90USB1287-AUR, AT90USB646-AU, AT90USB646-AUR,

AT90USB646-AU

Microchip

AT90USB1287-AU, AT90USB1287-AUR, AT90USB646-AU,

AT90USB646-AU

Microchip

AU, AT90USB1287-AUR, AT90USB646-AU, AT90USB646-AUR,

AT90USB646-AUR

Microchip

AU, AT90USB1287-AUR, AT90USB646-AU, AT90USB646-AUR,

AT90USB647-AU

Microchip

AT90USB646-AUR, AT90USB647-AU, AT90USB647-AUR,

AT90USB647-AU

Microchip

AT90USB647-AU, AT90USB647-AUR, ATMEGA1280-16AU,

AT90USB647-AUR

Microchip

AT90USB647-AU, AT90USB647-AUR, ATMEGA1280-16AU,

ATMEGA1280V-8AU

Microchip

16AUR, ATMEGA1280V-8AU, ATMEGA1280V-8AUR, ATMEGA1281-

ATMEGA1281-16AU

Microchip

8AU, ATMEGA1280V-8AUR, ATMEGA1281-16AU, ATMEGA1281-

ATMEGA1281V-8AU

Microchip

16AUR, ATMEGA1281V-8AU, ATMEGA1281V-8AUR, ATMEGA2560-

ATMEGA1281V-8AU

Microchip

16AU, ATMEGA1281-16AUR, ATMEGA1281V-8AU, ATMEGA1281V-

ATMEGA2560-16AU

Microchip

8AUR, ATMEGA2560-16AU, ATMEGA2560-16AU-HCM, ATMEGA2560-

ATMEGA2560V-8AU

Microchip

ATMEGA2560V-8AU, ATMEGA2560V-8AUR, ATMEGA2561-16AU,

ATMEGA2560V-8AU

Microchip

16AUR, ATMEGA2560V-8AU, ATMEGA2560V-8AUR, ATMEGA2561-

ATMEGA2561-16AU

Microchip

ATMEGA2560V-8AU, ATMEGA2560V-8AUR, ATMEGA2561-16AU,

ATMEGA2561V-8AU

Microchip

16AU, ATMEGA2561-16AUR, ATMEGA2561V-8AU, ATMEGA2561V-

ATMEGA2561V-8AU

Microchip

ATMEGA2561-16AUR, ATMEGA2561V-8AU, ATMEGA2561V-8AUR,

ATMEGA640-16AU

Microchip

8AUR, ATMEGA640-16AU, ATMEGA640-16AUR, ATMEGA640-

ATMEGA640-16AU

Microchip

ATMEGA640-16AU, ATMEGA640-16AUR, ATMEGA640-16AURA0,

ATMEGA640-16AUR

Microchip

ATMEGA640-16AU, ATMEGA640-16AUR, ATMEGA640-16AURA0,

ATMEGA640V-8AU

Microchip

ATMEGA640V-8AU and ATMEGA640V-8AUR catalog part

ATMEGA640V-8AU

Microchip

16AURA0, ATMEGA640V-8AU and ATMEGA640V-8AUR catalog part

ATMEGA640V-8AUR

Microchip

16AURA0, ATMEGA640V-8AU and ATMEGA640V-8AUR catalog part

ATMEGA1280-16AU-HCM

Microchip

ATMEGA1280-16AU-HCM, ATMEGA1280-16AUR... catalog part numbers (CPN)

ATMEGA2560-16AU-HCM

Microchip

ATMEGA2560-16AU-HCM, ATMEGA2560-16AUR... catalog part numbers (CPN)

ATMEGA640-16AURA0

Microchip

ATMEGA640-16AURA0, ATMEGA640V-8AU... catalog part numbers (CPN)

100L

Microchip

ATXMEGA64xx device families available in 64L and 100L TQFP

100L

Microchip

families available in 64L and 100L TQFP (14x14x1mm) packages

100L

Microchip

35.9K wafer in 100L TQFP (E5X) with CuPdAu wire at MMT is qualified Moisture/ Reflow Sensitivity

100L

Microchip

numbers (CPN) available in 64L and 100L TQFP (14x14x1mm)

100L

Microchip

numbers (CPN) available in 64L and 100L TQFP (14x14x1mm) package

14x14x1mm

Microchip

families available in 64L and 100L TQFP (14x14x1mm) packages

14x14x1mm

Microchip

numbers (CPN) available in 64L and 100L TQFP (14x14x1mm) package

14x14x1mm

Microchip

numbers (CPN) available in 64L and 100L TQFP (14x14x1mm)

14x14x1mm

Microchip

(14x14x1mm) packages at the MMT assembly site. The AT90CAN128-

16AU

Microchip

16AU, ATMEGA2561-16AUR, ATMEGA2561V-8AU, ATMEGA2561V-

16AU

Microchip

16AU, AT90CAN128-16AUR, AT90USB1286-AU, AT90USB1286-AUR,

16AU

Microchip

16AU, ATMEGA1281-16AUR, ATMEGA1281V-8AU, ATMEGA1281V-

16AU

Microchip

16AU, ATMEGA2560-16AU-HCM, ATMEGA2560-16AUR,

16AUR

Microchip

16AUR, ATMEGA2560V-8AU, ATMEGA2560V-8AUR, ATMEGA2561-

16AUR

Microchip

16AUR, AT90USB1286-AU, AT90USB1286-AUR, AT90USB1287-

16AUR

Microchip

16AUR, ATMEGA1281V-8AU, ATMEGA1281V-8AUR, ATMEGA2560-

16AUR

Microchip

16AUR, ATMEGA1280V-8AU, ATMEGA1280V-8AUR, ATMEGA1281-

16AURA0

Microchip

16AURA0, ATMEGA640V-8AU and ATMEGA640V-8AUR catalog part

260C

Microchip

MSL-1 @ 260C

280x280

Microchip

280x280 mils

35.9K

Microchip

35.9K wafer in 100L TQFP (E5X) with CuPdAu wire at MMT is qualified Moisture/ Reflow Sensitivity

5423-HE

Microchip

System: Climats Excal 5423-HE

64L

Microchip

numbers (CPN) available in 64L and 100L TQFP (14x14x1mm) package

64L

Microchip

families available in 64L and 100L TQFP (14x14x1mm) packages

64L

Microchip

ATXMEGA64xx device families available in 64L and 100L TQFP

64L

Microchip

numbers (CPN) available in 64L and 100L TQFP (14x14x1mm)

8AU

Microchip

8AU, ATMEGA1280V-8AUR, ATMEGA1281-16AU, ATMEGA1281-

8AUR

Microchip

8AUR, ATMEGA2560-16AU, ATMEGA2560-16AU-HCM, ATMEGA2560-

8AUR

Microchip

8AUR, ATMEGA640-16AU, ATMEGA640-16AUR, ATMEGA640-

96H

Microchip

+130°C/85%RH, 96H

A113

Microchip

A113, Devices

AT90CAN128-

Microchip

(14x14x1mm) packages at the MMT assembly site. The AT90CAN128-

AT90CAN128-

Microchip

at the MMT assembly site. The AT90CAN128-16AU, AT90CAN128-

AT90USB1287-

Microchip

16AUR, AT90USB1286-AU, AT90USB1286-AUR, AT90USB1287-

ATMEGA1280-

Microchip

ATMEGA1280-16AU, ATMEGA1280-16AU-HCM, ATMEGA1280-

ATMEGA1280-16AU-HCM

Microchip

ATMEGA1280-16AU, ATMEGA1280-16AU-HCM, ATMEGA1280-

ATMEGA1280-16AU-HCM

Microchip

ATMEGA1280-16AU-HCM, ATMEGA1280-16AUR, ATMEGA1280V-

ATMEGA1280V-

Microchip

ATMEGA1280-16AU-HCM, ATMEGA1280-16AUR, ATMEGA1280V-

ATMEGA1281-

Microchip

16AUR, ATMEGA1280V-8AU, ATMEGA1280V-8AUR, ATMEGA1281-

ATMEGA1281-

Microchip

8AU, ATMEGA1280V-8AUR, ATMEGA1281-16AU, ATMEGA1281-

ATMEGA1281V-

Microchip

16AU, ATMEGA1281-16AUR, ATMEGA1281V-8AU, ATMEGA1281V-

ATMEGA2560-

Microchip

16AUR, ATMEGA1281V-8AU, ATMEGA1281V-8AUR, ATMEGA2560-

ATMEGA2560-

Microchip

8AUR, ATMEGA2560-16AU, ATMEGA2560-16AU-HCM, ATMEGA2560-

ATMEGA2560-16AU-HCM

Microchip

16AU, ATMEGA2560-16AU-HCM, ATMEGA2560-16AUR,

ATMEGA2560-16AU-HCM

Microchip

8AUR, ATMEGA2560-16AU, ATMEGA2560-16AU-HCM, ATMEGA2560-

ATMEGA2561-

Microchip

16AUR, ATMEGA2560V-8AU, ATMEGA2560V-8AUR, ATMEGA2561-

ATMEGA2561V-

Microchip

16AU, ATMEGA2561-16AUR, ATMEGA2561V-8AU, ATMEGA2561V-

ATMEGA640-

Microchip

8AUR, ATMEGA640-16AU, ATMEGA640-16AUR, ATMEGA640-

ATMEGA640-16AURA0

Microchip

ATMEGA640-16AU, ATMEGA640-16AUR, ATMEGA640-16AURA0,

ATXMEGA128xx

Microchip

ATXMEGA128xx, ATXMEGA192xx, ATXMEGA256xx,

ATXMEGA128xx

Microchip

new bond wire material for selected ATXMEGA128xx, ATXMEGA192xx,

ATXMEGA192xx

Microchip

new bond wire material for selected ATXMEGA128xx, ATXMEGA192xx,

ATXMEGA192xx

Microchip

ATXMEGA128xx, ATXMEGA192xx, ATXMEGA256xx,

ATXMEGA256xx

Microchip

ATXMEGA256xx, ATXMEGA32xx, ATXMEGA384xx, and

ATXMEGA256xx

Microchip

ATXMEGA128xx, ATXMEGA192xx, ATXMEGA256xx,

ATXMEGA32xx

Microchip

ATXMEGA32xx, ATXMEGA384xx, and ATXMEGA64xx device

ATXMEGA32xx

Microchip

ATXMEGA256xx, ATXMEGA32xx, ATXMEGA384xx, and

ATXMEGA384xx

Microchip

ATXMEGA32xx, ATXMEGA384xx, and ATXMEGA64xx device

ATXMEGA384xx

Microchip

ATXMEGA256xx, ATXMEGA32xx, ATXMEGA384xx, and

ATXMEGA64xx

Microchip

ATXMEGA32xx, ATXMEGA384xx, and ATXMEGA64xx device

ATXMEGA64xx

Microchip

ATXMEGA64xx device families available in 64L and 100L TQFP

BLAS-09HUWA393

Microchip

PCN #: BLAS-09HUWA393

CR.5000F

Microchip

System: Mancorp CR.5000F

E5X

Microchip

35.9K wafer in 100L TQFP (E5X) with CuPdAu wire at MMT is qualified Moisture/ Reflow Sensitivity

J-STD-020E

Microchip

Classification Level 1 at 260°C ref low temperature per IPC/JEDEC J-STD-020E standard 1. No delamination

JESD22-

Microchip

Electrical Test : +85°C, +25°C JESD22- 693(0) Good

MMT-254800100.000

Microchip

MMT-254800100.000 MCSO525233784.200#24,25

MMT-254800101.000

Microchip

MMT-254800101.000 MCSO525233784.200#22,23

MMT-254800102.000

Microchip

MMT-254800102.000 MCSO525233784.200#20,21

MSL-1

Microchip

MSL-1 @ 260C

PC-422R8

Microchip

System: HIRAYAMA HASTEST PC-422R8

Microchip Qualification Report: CuPdAu Bond Wire for ATXMEGA, ATMEGA, AT90CAN, and AT90USB Families | Design Resources