USB334X datasheet(83/92 Pages) MICROCHIP

83 / 92 page

 2009-2018 Microchip Technology Inc.

DS00002646A-page 83

USB334x

FIGURE 9-1:

24-Pin Sawn QFN - USB3341 Only (CONTINUED)

Microchip Technology Drawing C04-143B MJ Sheet 2 of 2

REF: Reference Dimension, usually without tolerance, for information purposes only.

BSC: Basic Dimension. Theoretically exact value shown without tolerances.

Notes:

Pin 1 visual index feature may vary, but must be located within the hatched area.

Package is saw singulated

Dimensioning and tolerancing per ASME Y14.5M

24-Lead Very Thin Plastic Quad Flat, No Lead Package (MJ) – 4x4x0.9 mm Body [VQFN]

For the most current package drawings, please see the Microchip Packaging Specification located at

http://www.microchip.com/packaging

Note:

Dimension Limits

Units

Overall Width

Overall Length

Exposed Pad Length

Exposed Pad Width

Terminal Thickness

2.60

MILLIMETERS

0.20 REF

MIN

MAX

4.00 BSC

2.50

Terminal Length

Terminal Width

0.50

0.30

Terminal-to-Exposed Pad

0.20

NOM

Standoff

0.02

Overall Height

0.85

Pitch

0.50 BSC

Number of Terminals

N24

0.30

0.20

2.40

0.00

0.80

0.25

0.40

2.50

4.00 BSC

2.60

0.05

0.90

USB334X 数据表(PDF) 83 Page - Microchip Technology

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