FT121Q-R datasheet(2/46 Pages) FTDI

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Document No.: FT_000648

FT121 ENHANCED USB DEVICE CONTROLLER WITH SPI SLAVE IC

Datasheet Version 1.2

Clearance No.: FTDI#

312

1 Typical Applications



Provide USB port to Microcontrollers



Provide USB port to FPGA’s



USB Industrial Control



Mass storage data transfers for multitude of

embedded systems applications, including

medical, industrial data-logger, power-

metering, and test instrumentation



Utilising USB to add system modularity



Isochronous support for video applications in

security, industrial control, and quality

inspections

1.1 Part Numbers

Part Number

Package

FT121T-x

TSSOP-16

FT121Q-x

QFN-16

Note: Packaging codes for x is:

- R: Taped and Reel, (TSSOP is 2,500pcs per reel, QFN is 6,000pcs per reel).

- U: Tube packing, 96pcs per tube (TSSOP only)

- T: Tray packing, 490pcs per tray (QFN only)

For example: FT121T-R is 2,500pcs taped and reel packing

1.2 USB Compliant

At the time of writing this datasheet, the FT121 was in the process of completing USB compliance testing.

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