AT89C51ED2-SMSIM ATMEL Corporation, AT89C51ED2-SMSIM Datasheet - Page 21

• Manufacturer Part Number: AT89C51ED2-SMSIM
• Description: 8-bit Flash Microcontroller
• Manufacturer: ATMEL Corporation

4.5 AT89C51ED2 Packaging reliability
In this section are presented the packaging qualification measurements carried out in PLCC 44.
4.6
Atmel digital 0.35 um wafer process is qualified since 1999, October.
Derived from this technology, AT89C51RD2 / AT89C51ED2 have passed successfully Reliability Testing. Full
qualification has been pronounced in June 2003.
All package pass Level 1 of Moisture Sensitivity Ranking as per JESD 20B. Therefore, Dry Packing is not
mandatory.
Rev. 0 – 2003 July
Lots
A01948K
A01679C
AT89C51ED2 Qualification status
Device Type
AT89C51ED2
PLCC 44
AT89C51RC2
PLCC44
Test Description
Humidity 85/85 post
Preconditioning level 1
Thermal Cycles post
Preconditioning L1
Autoclave post thermal
shocks and Precond. L1
Preconditioning level 1
Thermal Cycles post
Preconditioning L1
Humidity 85/85 post
Preconditioning level 1
Autoclave post thermal
shocks and Precond. L1
High Temperature
Storage
Marking permanency
AT89C51RD2 / AT89C51ED2 QualPack
Step
1000h
1000c
Visual
1000c
Visual
Elect.
500h
500c
SAM
500c
500h
500h
96h
96h
Result Comment
0/50
0/50
0/50
0/50
0/50
0/11
0/50
0/50
0/50
0/50
0/50
0/50
0/50
0/50
0/50
0/5
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