Python Type Annotations

Modified: 8 April, 2020

A tutorial on Python type annotations, including basic types, Optional, casts and mypy.

Shift Registers

Modified: 8 April, 2020

Definition, configurations, uses, example circuit schematics and more information about shift registers.

rasterio

Modified: 3 April, 2020

An introduction to the Python library rasterio, used for manipulating geospatial data.

March 2020 Updates

Modified: 31 March, 2020

Blog updates during March 2020.

zip

Modified: 27 March, 2020

COMPONENT PACKAGES

USON Component Package

Date Published:	March 4, 2020
Last Modified:	March 4, 2020

Overview

Name	USON (Plastic Ultra-Thin Small Outline No-lead Package, JEDEC)
Synonyms	PG-USON (Infineon)
Variants	Varying number of pins.
Similar To	WSON
Mounting	SMD
Pin Count	4 - 16
Pitch	0.5mm, 0.65mm (DNP, TI), 1.0mm (NLB, TI)
Solderability	Hard to solder with a soldering iron due to underside thermal pad.
Thermal Resistance
Dimensions
3D Models
Common Uses

The [http://www.ti.com/packaging/docs/searchtipackages.tsp?packageName=SON](Texas Instruments Package Search - SON) page contains information on all of the USON packages that TI components use.

A screenshot of all the USON packages that TI component use. Image from http://www.ti.com/packaging/docs/searchtipackages.tsp?packageName=SON.

The dimensions for the Texas Instruments DRN package (a variant of the USON package). Image from http://www.ti.com/lit/ml/mpds165a/mpds165a.pdf.