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2022 Microchip Technology Inc. and its subsidiaries

DS20006678A-page 11

MIC5321

5.0

PACKAGING INFORMATION

5.1

Package Marking Information

Note:

MIC5321 has many voltage options and corresponding marking codes. The full list of them appear in

Table 5-1 on the next page.

Note:

If the full seven-character YYWWNNN code cannot fit on the package, the following truncated codes are

used based on the available marking space:

6 Characters = YWWNNN; 5 Characters = WWNNN; 4 Characters = WNNN; 3 Characters = NNN;

2 Characters = NN; 1 Character = N

XXX

Example

6-Lead UDFN*

XXXX

Example

6-Lead TSOT-23*

(Front)

NNN

XXX

Example

6-Lead WDFN*

Example

6-Lead TSOT-23*

(Back)

T1K

QBGF

BGW

BSS

Legend: XX...X Product code or customer-specific information

Y

Year code (last digit of calendar year)

YY

Year code (last 2 digits of calendar year)

WW

Week code (week of January 1 is week ‘01’)

NNN

Alphanumeric traceability code

*

This package is Pb-free. The Pb-free JEDEC designator (

)

can be found on the outer packaging for this package.

●, ▲, ▼ Pin one index is identified by a dot, delta up, or delta down (triangle

mark).

Note: In the event the full Microchip part number cannot be marked on one line, it will

be carried over to the next line, thus limiting the number of available

characters for customer-specific information. Package may or may not include

the corporate logo.

Underbar (_) symbol may not be to scale.

3

e

3

e