To reduce any potential fluctuation on the power supply lines, decoupling capacitors, bypass capacitors, and other power supply filtering techniques must be used.
The following table lists the recommended number of PCB decoupling capacitors for an M2S050T/M2GL050T-FG896 device.
Pin Name |
Number of Pins |
Ceramic Caps |
Tantalum Caps |
|||||||
---|---|---|---|---|---|---|---|---|---|---|
0.01 μF |
0.1 μF |
10 μF |
33 μF |
22 μF |
47 μF |
100 μF |
220 μF1 |
330 μF |
||
VDD |
24 |
12 |
12 |
— | — |
— | — | 1 |
3 |
1 |
VDD10 |
29 |
14 |
14 |
— | — | — | 2 |
— | — | — |
VDDI1 |
4 |
2 |
2 |
1 |
— | — | — | — | — | — |
VDDI2 |
4 |
2 |
2 |
1 |
— | — | — | — | — | — |
VDDI3 |
5 |
2 |
3 |
1 |
— | — | — | — | — | — |
VDDI4 |
3 |
2 |
1 |
1 |
— | — | — | — | — | — |
VDDI5 |
29 |
14 |
14 |
— | — | — | 2 |
— | — | — |
VDDI6 |
1 |
1 |
— | 1 |
— | — | — | — | — | — |
VDDI7 |
6 |
3 |
3 |
1 |
— | — | — | — | — | — |
VDDI8 |
5 |
2 |
3 |
1 |
— | — | — | — | — | — |
VDDI9 |
1 |
1 |
1 |
— | — | — | — | — | — | — |
VPP |
4 |
2 |
2 |
1 |
— | — | — | — | — | — |
VREF0 |
3 |
2 |
1 |
1 |
— | — | — | — | — | — |
VREF5 |
3 |
2 |
1 |
1 |
— | — | — | — | — | — |
VPPNVM |
1 |
1 |
— | 1 |
— | — | — | — | — | — |
SERDES_0_VDD |
2 |
1 |
1 |
12 |
— | — | — | — | — | — |
SERDES_1_VDD |
2 |
1 |
1 |
12 |
— | — | — | — | — | — |
SERDES_0_L01_VDDAIO |
1 |
12 |
12 |
13 |
— | — | — | — | — | — |
SERDES_0_L23_VDDAIO |
1 |
12 |
12 |
13 |
— | — | — | — | — | — |
SERDES_1_L01_VDDAIO |
1 |
12 |
12 |
13 |
— | — | — | — | — | — |
SERDES_1_L23_VDDAIO |
1 |
12 |
12 |
13 |
— | — | — | — | — | — |
CCC_NE0_PLL_VDDA |
1 |
— | 1 |
— | — | 1 |
— | — | — | — |
CCC_NE1_PLL_VDDA |
1 |
— | 1 |
— | — | 1 |
— | — | — | — |
CCC_NW0_PLL_VDDA |
1 |
— | 1 |
— | — | 1 |
— | — | — | — |
CCC_NW1_PLL_VDDA |
1 |
— | 1 |
— | — | 1 |
— | — | — | — |
CCC_SW0_PLL_VDDA |
1 |
— | 1 |
— | — | 1 |
— | — | — | — |
CCC_SW1_PLL_VDDA |
1 |
— | 1 |
— | — | 1 |
— | — | — | — |
MSS_FDDR_PLL_VDDA |
1 |
— | 1 |
— | — | 1 |
— | — | — | — |
MSS_PLL_MDDR_VDDA |
1 |
— | 1 |
— | — | 1 |
— | — | — | — |
PLL_SERDES_0_VDDA |
1 |
— | 1 |
— | — | 1 |
— | — | — | — |
PLL_SERDES_1_VDDA |
1 |
— | 1 |
— | — | 1 |
— | — | — | — |
SERDES_0_L01_VDDAPLL |
1 |
— | 1 |
— | 1 |
— | — | — | — | — |
SERDES_0_L23_VDDAPLL |
1 |
— | 1 |
— | 1 |
— | — | — | — | — |
SERDES_1_L01_VDDAPLL |
1 |
— | 1 |
— | 1 |
— | — | — | — | — |
SERDES_1_L23_VDDAPLL |
1 |
— | 1 |
— | 1 |
— | — | — | — | — |
The following table lists the recommended decoupling capacitors for the SmartFusion2/IGLOO2 devices. For placement and routing details, see Layout Guidelines for SmartFusion2- and IGLOO2-Based Board Design.
Part Number |
Manufacturer |
Description |
---|---|---|
GRM155R71C103KA01D |
Murata |
Ceramic 0.01 μF, 16 V, 10%, X7R, 0402 |
GRM155R71C104KA88D |
Murata |
Ceramic 0.1 μF, 16 V, 10%, X7R, 0402 |
GRM188R60J106ME47D |
Murata |
Ceramic 10 μF, 6.3 V, X5R, 0603 |
T491B475M016AT |
KEMET |
Tantalum 4.7 μF, 16 V, 20%, 1411 |
T491B226M016AT |
KEMET |
Tantalum 22 μF, 16 V, 20%, 1411 |
T491B476M010AT |
KEMET |
Tantalum 47 μF, 10 V, 20%SMD |
T520V107M010ATE050 |
KEMET |
Tantalum 100 μF, 10 V, 20%, 2917 |
TPSD337K010R0050 |
AVX |
Tantalum 330 μF, 10 V, 10%, 2917 |