STM32L433CC datasheet(206/225 Pages) STMICROELECTRONICS

部件名	STM32L433CC

功能描述	Ultra-low-power Arm® Cortex®-M4 32-bit MCUFPU, 100DMIPS, up to 256KB Flash, 64KB SRAM, USB FS, LCD, ext. SMPS

PDF	225 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

206 / 225 page

Package information

STM32L433xx

206/225

DS11449 Rev 5

Figure 56. WLCSP64 - 64-ball, 3.141 x 3.127 mm, 0.35 mm pitch wafer level chip scale

package recommended footprint

b(3)

0.190

0.220

0.250

0.0075

0.0087

0.0098

3.106

3.141

3.176

0.1223

0.1237

0.1250

3.092

3.127

3.162

0.1217

0.1231

0.1245

0.350

0.0138

2.450

0.0965

2.450

0.0965

0.3455

0.0136

0.3385

0.0133

aaa

0.100

0.0039

bbb

0.100

0.0039

ccc

0.100

0.0039

ddd

0.050

0.0020

eee

0.050

0.0020

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

2. Back side coating.

3. Dimension is measured at the maximum bump diameter parallel to primary datum Z.

Table 110. WLCSP64 recommended PCB design rules (0.35 mm pitch)

Dimension

Recommended values

Pitch

0.35 mm

Dpad

0.210 mm

Dsm

0.275 mm typ. (depends on the soldermask

registration tolerance)

Stencil opening

0.235 mm

Stencil thickness

0.100 mm

Table 109. WLCSP64 - 64-ball, 3.141 x 3.127 mm, 0.35 mm pitch wafer level chip scale

package mechanical data (continued)

Symbol

millimeters

inches(1)

Min

Typ

Max

Min

Typ

Max

WLCSP49_A04Z_FP_V1

Dpad

Dsm

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