AN626 Datasheet, PDF (1/5 Pages) STMicroelectronics – Serial EEPROM product numbering

AN626
Application note
Serial EEPROM product numbering
Introduction
This application note provides a detailed description of the part numbering scheme of Serial
EEPROM products.
The part numbering scheme consists of a maximum of 13 digits grouped into nine fields (A
to H) as shown in Table 1.
Fields A to C represent the product identifiers and fields D to H the product options. The “-”
character is used to separate the identifiers from the options.
Table 1. Serial EEPROM part numbering scheme
Digit Field
Use
1st A Product line (“M” = memory)
2nd
B Device type (Product family)
3rd
4th
5th C Device function (Memory capacity)
6th
7th
- Dash, to separate the product number identifiers from the product option designators
8th
D Operating range (V_CC)
9th
E Package type
10th
11th F Device grade (Temperature range)
12th G Option
13th H Plating technology
14th /J Die process
An additional “/” followed by two digits are used by ST to aid traceability, and might appear
on some documents at the bottom of the Ordering information scheme table under Process.
This information offers the die and technology references (for temperature range 3 devices)
and can be ignored for temperature range 6 devices.
February 2015
DocID5663 Rev 6
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www.st.com
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