71M6541D Maxim, 71M6541D Datasheet - Page 155

• Manufacturer Part Number: 71M6541D
• Description: The 71M6541D/71M6541F/71M6541G/71M6542F/71M6542G are Teridian™ 4th-generation single-phase metering SoCs with a 5MHz 8051-compatible MPU core, low-power RTC with digital temperature compensation, flash memory, and LCD driver
• Manufacturer: Maxim

Figure 49
markings comprise three lines of text and are as described in
6.7
Rev 2
Package Markings
provides an example of the package markings for the 64-pin and 100-pin packages. Package
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Line No.
Line No.
1
2
3
1
2
3
71M6541D-
IGT.428AB
104224TH
71M6542G-IGT
71M6541D-
Figure 49. Package Markings (Examples)
IGT.428AB
104224TH
110124TK
Markings
Markings
Table 117. 71M6541 Package Markings
Table 118. 71M6542 Package Markings
445AP
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
Part number (‘IGT’ wraps to the next line)
Refer to
The five characters to the right of the dot
(i.e., 428AB) are the lot code.
The first four digits to the left are the year
and week of manufacture as YYWW. In
this example, the date code is 1042 which
represents year 2010, week 42.
The last four characters (i.e., 24TH) are
reserved for Maxim internal use only.
Part number. Refer to
The first four digits to the left are the year
and week of manufacture as YYWW. In
this example, the date code is 1101 which
represents year 2011, week 1.
The last four characters (i.e., 24TK) are
reserved for Maxim internal use only.
A five character lot code.
Table
71M6541D/F/G and 71M6542F/G Data Sheet
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
Table 117
Description
Description
122.
71M6542G-IGT
110124TK
445AP
and
Table
Table 118
122.
below.
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
155