Meaning of Legacy 16-bit/32-bit Auto MCU Part Numbers – KBA227619

Version: **

 

See Table 1 where CY90F546GSPFR-GE1 is used as an example to show the meaning of legacy 16-bit/32-bit Auto MCU part numbers.

Table 1. Meaning of part numbers

 

Part number

Meaning of part number

CY

Company name. Earlier prefix “MB” changed to “CY”.

90

Number of bits:

--90: 16-bit F2MC-16LX

--96: 16-bit F2MC-16FX

--91: 32-bit FR

F

Memory type:

--Blank: Mask ROM

--F: Flash ROM

546

Device series.

GS

Product feature options. Refer to the corresponding datasheet for details.

PF

Package type:

--PF: Plastic Flatpack

--PMC: Plastic QFP

R

Optional backend fab indicator

G

Quality grade:

--G: General grade

--GS: Automotive grade

--

Factory information:

--Blank/SP/N2/K5/UJ: Different factory location

E1

Environmental code:

--E1 = Pb-free, SnBi plating

--E2 = Pb-free, pure Sn plating