STM32F091CB View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

STM32F091CB

ARM®-based 32-bit MCU, up to 256 KB Flash, CAN, 12 timers, ADC, DAC, and comm. interfaces, 2.0 - 3.6V

STMicroelectronics 

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STM32F091xB STM32F091xC

Package information

Symbol

Table 73. UFBGA64 package mechanical data (continued)

millimeters

inches(1)

Min

Typ

Max

Min

Typ

A

0.460

0.530

0.600

0.0181

0.0209

ddd

-

-

0.080

-

-

eee

-

-

0.150

-

-

fff

-

-

0.050

-

-

1. Values in inches are converted from mm and rounded to 4 decimal digits.

Max

0.0236

0.0031

0.0059

0.0020

Figure 40. Recommended footprint for UFBGA64 package

'SDG

'VP

$B)3B9

Table 74. UFBGA64 recommended PCB design rules

Dimension

Recommended values

Pitch

0.5

Dpad

0.280 mm

Dsm

0.370 mm typ. (depends on the soldermask

registration tolerance)

Stencil opening

0.280 mm

Stencil thickness

Between 0.100 mm and 0.125 mm

Pad trace width

0.100 mm

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