Datasheet

ManualsBrandsST ManualsEmbedded Processors & ControllersMicrocontroller 32bit 512KB LQFP

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DocID026289 Rev 6 125/149

STM32F411xC STM32F411xE Package information

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Figure 47. WLCSP49 - 49-ball, 2.999 x 3.185 mm, 0.4 mm pitch wafer level chip scale

recommended footprint

Table 79. WLCSP49 - 49-ball, 2.999 x 3.185 mm, 0.4 mm pitch wafer level chip scale

package mechanical data

Symbol

millimeters inches

(1)

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

Min Typ Max Min Typ Max

A 0.525 0.555 0.585 0.0207 0.0219 0.0230

A1 - 0.175 - - 0.0069 -

A2 - 0.380 - - 0.0150 -

(2)

2. Back side coating

- 0.025 - - 0.0010 -

(3)

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

0.220 0.250 0.280 0.0087 0.0098 0.0110

D 2.964 2.999 3.034 0.1167 0.1181 0.1194

E 3.150 3.185 3.220 0.1240 0.1254 0.1268

e - 0.400 - - 0.0157 -

e1 - 2.400 - - 0.0945 -

e2 - 2.400 - - 0.0945 -

F - 0.2995 - - 0.0118 -

G - 0.3925 - - 0.0155 -

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 -

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