STM32U073RCT6 datasheet(116/146 Pages) STMICROELECTRONICS

Part #	STM32U073RCT6

Description	Ultra-low-power Arm® Cortex®-M0 32-bit MCU, up to 256-Kbyte flash memory, 40-Kbyte SRAM, USB, LCD

PDF	146 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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116 / 146 page

1. Dimensions are expressed in millimeters.

Table 93. WLCSP42 - Example of PCB design rules

Dimension

Values

Pitch

0.400 mm

Dpad

0,250 mm

Dsm

0.325 mm typ. (depends on soldermask registration tolerance)

Stencil opening

0.325 mm

Stencil thickness

0.100 mm

7.3.1

Device marking for WLCSP42

The following figure gives an example of topside marking versus ball A2 position identifier location.

The printed markings may differ depending on the supply chain.

Other optional marking or inset/upset marks, which depend on supply chain operations, are not indicated below.

Figure 38. WLCSP42 marking example

Ball A2 identifier

Date code

Product

identification(1)

Revision code

1. Parts marked as “ES”, “E” or accompanied by an Engineering Sample notification letter, are not yet qualified

and therefore not approved for use in production. ST is not responsible for any consequences resulting from

such use. In no event will ST be liable for the customer using any of these engineering samples in production.

ST’s Quality department must be contacted prior to any decision to use these engineering samples to run a

qualification activity.

STM32U073x8/B/C

Package information

DS14548 - Rev 2

page 116/146

STM32U073RCT6 Datasheet(PDF) 116 Page - STMicroelectronics