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C8051F54X_14 Datasheet, PDF (17/275 Pages) Silicon Laboratories – Mixed Signal ISP Flash MCU Family
C8051F54x
Table 2.1. Product Selection Guide
C8051F540-IQ
C8051F540-IM
C8051F541-IQ
C8051F541-IM
C8051F542-IM
C8051F543-IM
C8051F544-IQ
C8051F544-IM
C8051F545-IQ
C8051F545-IM
C8051F546-IM
C8051F547-IM
16  25 QFP32
16  25 QFN32
16 — 25 QFP32
16 — 25 QFN32
16  18 QFN24
16 — 18 QFN24
8  25 QFP32
8  25 QFN32
8 — 25 QFP32
8 — 25 QFN32
8
 18 QFN24
8 — 18 QFN24
Note: The suffix of the part number indicates the device rating and the package. All devices are RoHS compliant.
All of these devices are also available in an automotive version. For the automotive version, the -I in the
ordering part number is replaced with -A. For example, the automotive version of the C8051F540-IM is the
C8051F540-AM.
The -AM and -AQ devices receive full automotive quality production status, including AEC-Q100 qualifica-
tion, registration with International Material Data System (IMDS) and Part Production Approval Process
(PPAP) documentation. PPAP documentation is available at www.silabs.com with a registered and NDA
approved user account. The -AM and -AQ devices enable high volume automotive OEM applications with
their enhanced testing and processing. Please contact Silicon Labs sales for more information regarding 
–AM and -AQ devices for your automotive project.
Rev. 1.1
17