Analog and Mixed Signal - Top Mark

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Search by Top Mark | Search by Device Ordering Code | Package marking conventions

Search for Device Ordering Code
Enter the Top Mark from a package.

Analog and Mixed Signal

Line 1:		Example '$Y&Z&2&T'

Line 2:		Example 'A1202'

Line 3:		Example 'EM8'

Package marking conventions

Line 1:		Example $Y&Z&2&T Y = Fairchild Logo Z = Assembly Plant Code see explanation 2 = Date Code see explanation T = Fabrication site

Line 2:		Part designator

Line 3:		Part designator continued

Note: Some package sizes may only allow one line of mark.

Assembly plant code

A = China (Subcontractor)
B = Bangkok, Thailand (Subcontractor)
C = Singapore (Subcontractor)
D = Cebu, Philippines
E = Korea (Subcontractor)
H = Philippines (Subcontractor)
J = Japan (Subcontractor)
K = Korea
L = Salt Lake City, UT
M = Malacca, Malaysia (Subcontractor)

P = Penang, Malaysia
S = Singapore (NSSG, Subcontractor)
T = Taiwan (Subcontractor)
V = Malaysia (Carsem, Subcontractor)
X = USA (Subcontractor)
Y = Malaysia (Unisem, Subcontractor)
Z = South Portland, ME

Date code
This code identifies the calendar year and the calendar work week the product was manufactured.

2 Character Format:
&2 = XY
X = Last Digit of Calendar Year
Y = One Digit Work Week Code

One-digit code	Six week period
One-digit code	Start week	End week
1	06	11
2	12	17
3	18	23
4	24	29
5	30	35
6	36	41
7	42	47
8	48	51
9	52	05

3 Character Format:
&3 = XYY
X = Last Digit of Calendar Year
YY = Two Digit Work Week Code

Two-digit code	Six week period
Two-digit code	Start week	End week
06	06	11
12	12	17
18	18	23
24	24	29
30	30	35
36	36	41
42	42	47
48	48	51
52	52	05

4 Character Format:
&4=XXYY
XX = Last Two Digits of Calendar Year
YY = Two Digit Work Week Code

Two-digit code	Six week period
Two-digit code	Start week	End week
06	06	11
12	12	17
18	18	23
24	24	29
30	30	35
36	36	41
42	42	47
48	48	51
52	52	05