FT121Q-R datasheet(40/46 Pages) FTDI

Part #	FT121Q-R

Description	Enhanced USB Device Controller with SPI Slave IC

PDF	46 Pages

Scroll/Zoom	100%

Manufacturer	FTDI [Future Technology Devices International Ltd.]

Direct Link	http://www.ftdichip.com

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40 / 46 page

Document No.: FT_000648

FT121 ENHANCED USB DEVICE CONTROLLER WITH SPI SLAVE IC

Datasheet Version 1.2

Clearance No.: FTDI#

312

9.3 QFN-16 Package Dimensions

Figure 9-3 QFN-16 Package Dimensions

The FT121Q is supplied in a RoHS compliant leadless QFN-16 package. The package is lead ( Pb ) free,

and uses a ‘green’ compound. The package is fully compliant with European Union directive 2002/95/EC.

This package is nominally 3mm x 3mm. The solder pads are on a 0.50mm pitch. The above mechanical

drawing shows the QFN-16 package. All dimensions are in millimetres.

The center pads at the base of the FT121Q are internally connected to a power signal according to the

following table. These may be left unconnected or routed to the respective power signal:

Pad Number

Signal

Location – top view

Location – bottom view

Ground

Upper left

Upper right

VCCIO

Lower left

Lower right

VOUT3V3

Lower right

Lower left

VCC

Upper right

Upper left

Table 9.1 FT121Q Bottom Pad Assignments

FT121Q-R Datasheet(PDF) 40 Page - Future Technology Devices International Ltd.