STM32L151CCH7DTR View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STM32L151CCH7DTR

Ultra-low-power 32-bit MCU ARM®-based Cortex®-M3, 256KB Flash, 32KB SRAM, 8KB EEPROM, LCD, USB, ADC, DAC

STMicroelectronics 

STM32L151xC STM32L152xC

Package information

Table 70. UFBGA100, 7 x 7 mm, 0.5 mm pitch package mechanical data (continued)

Symbol

millimeters

Min

Typ

Max

inches(1)

Min

Typ

Max

eee

-

fff

-

-

0.150

-

-

0.050

-

-

0.0059

-

0.0020

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

Figure 45. UFBGA100, 7 x 7 mm, 0.5 mm pitch, package recommended footprint

'SDG

'VP

$&B)3B9

Table 71. UFBGA100, 7 x 7 mm, 0.50 mm pitch, 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

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