2024年7月16日发(作者：莱雁丝)
Chapter2
Power Distribution System
7 Series FPGAs PCB Design Guide
UG483 (v1.14) May 21, 2019
Chapter 2:Power Distribution System
7 Series FPGAs PCB Design Guide
UG483 (v1.14) May 21, 2019
PCB Decoupling Capacitors
Table 2-1:
Package
Required PCB Capacitor Quantities per Device: Spartan-7Devices
(1)(2)
(Continued)
V
CCINT
Device
V
CCBRAM
V
CCAUX
V
CCO
(per Bank)
47µF or
4.7µF0.47µF
100µF
(3)
1
1
1
1
1
1
1
2
2
2
2
2
2
2
4
4
4
4
4
4
4
330µF100µF4.7µF0.47µF100µF47µF4.7µF0.47µF47µF4.7µF0.47µF
0
0
0
0
0
0
0
1
1
1
1
1
1
1
3
3
3
4
4
5
5
5
5
5
7
7
8
8
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
2
3
3
3
3
3
3
4
7
7
7
7
CSGA324
FTGB196
FGGA484
FGGA484
FGGA676
FGGA484
FGGA676
XC7S50
XC7S50
XC7S50
XC7S75
XC7S75
XC7S100
XC7S100
Notes:
capacitor specifications are listed in Table2-5.
includes all capacitors for all supplies. The values in this table account for the number of I/O banks in the device.
47µF (or 100µF) capacitor is required for up to four V
CCO
banks when powered by the same voltage.
ling capacitors cover down to approximately 100KHz.
Table2-2 lists the PCB decoupling capacitor guidelines per V
CC
supply rail for
Artix-7devices.
Table 2-2:
Package
Required PCB Capacitor Quantities per Device: Artix-7Devices
(1)(2)
V
CCINT
Device
680µF330µF100µF47µF4.7µF
0.47µF
100µF47µF4.7µF
0.47µF
47µF4.7µF
0.47µF
47µF
47µF or
4.7µF0.47µF
100µF
(3)
V
CCBRAM
V
CCAUX
V
CCO
V
CCO
all other Banks
(per Bank)
Bank 0
CPG238
CSG325
CPG236
XC7A12T
XC7A12T
XC7A15T
XA7A15T
XC7A25T
XC7A25T
XC7A35T
XA7A35T
XC7A50T
XA7A50T
XC7A15T
XC7A35T
XC7A50T
XC7A75T
XC7A100T
XC7A15T
XA7A15T
XC7A35T
XA7A35T
XC7A50T
XA7A50T
0
0
0
0
0
0
1
1
1
0
0
0
1
1
2
2
2
2
0
0
0
1
1
1
0
0
0
1
1
1
1
1
1
1
1
1
2
2
2
1
1
1
1
1
1
2
2
2
4
4
4
CPG238
CSG325
CPG236
0
0
0
0
0
0
1
1
1
0
0
0
2
2
2
3
3
3
0
0
0
1
1
1
0
0
0
1
1
1
1
1
1
1
1
1
2
2
2
1
1
1
1
1
1
2
2
2
4
4
4
CPG23621124
FTG256
FTG256
FTG256
FTG256
FTG256
CSG324
0
0
0
0
0
0
0
0
1
1
1
0
1
1
0
0
0
1
0
0
0
0
0
0
2
2
3
4
6
2
2
3
5
6
8
2
0
0
1
1
1
0
1
1
0
0
0
1
0
0
0
0
0
0
1
1
1
2
2
1
1
1
1
1
1
1
2
2
2
2
2
2
3
3
3
3
3
4
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
4
4
4
4
4
4
CSG32441124
CSG32441124
7 Series FPGAs PCB Design Guide
UG483 (v1.14) May 21, 2019
PCB Decoupling Capacitors
Table 2-4:
Package
Required PCB Capacitor Quantities per Device: Virtex-7 Devices
(1)(2)
(Continued)
Device
680µF
V
CCINT
330µF
0
0
0
0
0
4.7µF
0
0
0
0
0
660µF
1
1
1
1
1
V
CCBRAM
330µF
1
0
0
0
1
100µF4.7µF
0
0
0
0
0
20
21
11
11
16
V
CCAUX
V
CCAUX_IO
per Group
(3)
47µF
0
0
0
0
0
4.7µF
0
0
0
0
0
V
CCO
Bank 0
V
CCO
all other
Banks
(per Bank)
47µF4.7µF100µF
1
1
1
1
1
0
0
0
0
0
1
1
1
1
1
47µF
47µF or 100µF
(4)
1
1
1
1
1
1
1
1
1
1
FFG1930
RF1930
FLG1930
FLG1155
FLG1931
FLG1932
XC7VX980T
XQ7VX980T
XC7VX1140T
XC7VH580T
XC7VH580T
XC7VH870T
6
6
3
3
5
Notes:
Capacitor specifications are listed in Table2-5.
includes all capacitors for all supplies, except for the MGT supplies MGTAVCC, MGTVCCAUX, and MGTAVTT, which are covered in UG476
, 7 Series
FPGAs GTX/GTH Transceivers User Guide. The values in this table account for the number of I/O banks in the device.
UG471
, 7 Series FPGAs SelectIO Resources User Guide for a description of the VCCAUX_IO rail specification to see which I/O banks are grouped together in
each VCCAUX_IO group. See UG475, 7 Series FPGAs Packaging and Pinout Product Specification to see which I/O banks are grouped together in each VCCAUX_IO
group.
47µF (or 100µF) capacitor is required for up to four V
CCO
banks when powered by the same voltage.
ling capacitors cover down to approximately 100KHz.
7 Series FPGAs PCB Design Guide
UG483 (v1.14) May 21, 2019
Chapter 2:Power Distribution System
Table 2-5:
Ideal
Value
0.47µF
Notes:
1.
2.
3.
4.
PCB Capacitor Specifications (Continued)
Value
Range
(1)
Body
Size
(2)
0603
Type
2-Terminal
Ceramic
X7R or X5R
ESL
Maximum
0.5nH
ESR Range
(3)
Voltage
Rating
(4)
6.3V
Suggested
PartNumber
GRM188R70J474KA01C>0.47µF1mΩ Values can be larger than specified. Body size can be smaller than specified. ESR must be within the specified range. Voltage rating can be higher than specified. Table2-6 lists the capacitors present in the packages for Kintex-7devices. Table 2-6: Package FBG484 FBV484 FBG484 FBV484 FBG676 FBV676 FBG676 FBV676 FBG676 FBV676 FBG676 FBV676 FBG900 FBV900 FBG900 FBV900 FFG676 FFV676 FFG676 FFV676 RF676 FFG676 FFV676 RF676 Package Capacitor Quantities per Device: Kintex-7Devices (1) Device V CCINT 2.2μF 2 2 2 2 2 2 2 2 4 V CCAUX 2.2μF 1 1 1 1 1 1 1 1 2 V CCAUX_IO per Group (2) 1.0μF N/A N/A N/A N/A 1 1 1 1 1 V CCO per Bank (3) 0.47μF 1 1 1 1 1 1 1 1 1 XC7K70T XC7K160T XC7K70T XC7K160T XC7K325T XC7K410T XC7K325T XC7K410T XC7K160T XA7K160T XC7K325T XQ7K325T XC7K410T XQ7K410T 4211 4211 7 Series FPGAs PCB Design Guide UG483 (v1.14) May 21, 2019
2024年7月16日发(作者：莱雁丝)
Chapter2
Power Distribution System
7 Series FPGAs PCB Design Guide
UG483 (v1.14) May 21, 2019
Chapter 2:Power Distribution System
7 Series FPGAs PCB Design Guide
UG483 (v1.14) May 21, 2019
PCB Decoupling Capacitors
Table 2-1:
Package
Required PCB Capacitor Quantities per Device: Spartan-7Devices
(1)(2)
(Continued)
V
CCINT
Device
V
CCBRAM
V
CCAUX
V
CCO
(per Bank)
47µF or
4.7µF0.47µF
100µF
(3)
1
1
1
1
1
1
1
2
2
2
2
2
2
2
4
4
4
4
4
4
4
330µF100µF4.7µF0.47µF100µF47µF4.7µF0.47µF47µF4.7µF0.47µF
0
0
0
0
0
0
0
1
1
1
1
1
1
1
3
3
3
4
4
5
5
5
5
5
7
7
8
8
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
2
3
3
3
3
3
3
4
7
7
7
7
CSGA324
FTGB196
FGGA484
FGGA484
FGGA676
FGGA484
FGGA676
XC7S50
XC7S50
XC7S50
XC7S75
XC7S75
XC7S100
XC7S100
Notes:
capacitor specifications are listed in Table2-5.
includes all capacitors for all supplies. The values in this table account for the number of I/O banks in the device.
47µF (or 100µF) capacitor is required for up to four V
CCO
banks when powered by the same voltage.
ling capacitors cover down to approximately 100KHz.
Table2-2 lists the PCB decoupling capacitor guidelines per V
CC
supply rail for
Artix-7devices.
Table 2-2:
Package
Required PCB Capacitor Quantities per Device: Artix-7Devices
(1)(2)
V
CCINT
Device
680µF330µF100µF47µF4.7µF
0.47µF
100µF47µF4.7µF
0.47µF
47µF4.7µF
0.47µF
47µF
47µF or
4.7µF0.47µF
100µF
(3)
V
CCBRAM
V
CCAUX
V
CCO
V
CCO
all other Banks
(per Bank)
Bank 0
CPG238
CSG325
CPG236
XC7A12T
XC7A12T
XC7A15T
XA7A15T
XC7A25T
XC7A25T
XC7A35T
XA7A35T
XC7A50T
XA7A50T
XC7A15T
XC7A35T
XC7A50T
XC7A75T
XC7A100T
XC7A15T
XA7A15T
XC7A35T
XA7A35T
XC7A50T
XA7A50T
0
0
0
0
0
0
1
1
1
0
0
0
1
1
2
2
2
2
0
0
0
1
1
1
0
0
0
1
1
1
1
1
1
1
1
1
2
2
2
1
1
1
1
1
1
2
2
2
4
4
4
CPG238
CSG325
CPG236
0
0
0
0
0
0
1
1
1
0
0
0
2
2
2
3
3
3
0
0
0
1
1
1
0
0
0
1
1
1
1
1
1
1
1
1
2
2
2
1
1
1
1
1
1
2
2
2
4
4
4
CPG23621124
FTG256
FTG256
FTG256
FTG256
FTG256
CSG324
0
0
0
0
0
0
0
0
1
1
1
0
1
1
0
0
0
1
0
0
0
0
0
0
2
2
3
4
6
2
2
3
5
6
8
2
0
0
1
1
1
0
1
1
0
0
0
1
0
0
0
0
0
0
1
1
1
2
2
1
1
1
1
1
1
1
2
2
2
2
2
2
3
3
3
3
3
4
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
4
4
4
4
4
4
CSG32441124
CSG32441124
7 Series FPGAs PCB Design Guide
UG483 (v1.14) May 21, 2019
PCB Decoupling Capacitors
Table 2-4:
Package
Required PCB Capacitor Quantities per Device: Virtex-7 Devices
(1)(2)
(Continued)
Device
680µF
V
CCINT
330µF
0
0
0
0
0
4.7µF
0
0
0
0
0
660µF
1
1
1
1
1
V
CCBRAM
330µF
1
0
0
0
1
100µF4.7µF
0
0
0
0
0
20
21
11
11
16
V
CCAUX
V
CCAUX_IO
per Group
(3)
47µF
0
0
0
0
0
4.7µF
0
0
0
0
0
V
CCO
Bank 0
V
CCO
all other
Banks
(per Bank)
47µF4.7µF100µF
1
1
1
1
1
0
0
0
0
0
1
1
1
1
1
47µF
47µF or 100µF
(4)
1
1
1
1
1
1
1
1
1
1
FFG1930
RF1930
FLG1930
FLG1155
FLG1931
FLG1932
XC7VX980T
XQ7VX980T
XC7VX1140T
XC7VH580T
XC7VH580T
XC7VH870T
6
6
3
3
5
Notes:
Capacitor specifications are listed in Table2-5.
includes all capacitors for all supplies, except for the MGT supplies MGTAVCC, MGTVCCAUX, and MGTAVTT, which are covered in UG476
, 7 Series
FPGAs GTX/GTH Transceivers User Guide. The values in this table account for the number of I/O banks in the device.
UG471
, 7 Series FPGAs SelectIO Resources User Guide for a description of the VCCAUX_IO rail specification to see which I/O banks are grouped together in
each VCCAUX_IO group. See UG475, 7 Series FPGAs Packaging and Pinout Product Specification to see which I/O banks are grouped together in each VCCAUX_IO
group.
47µF (or 100µF) capacitor is required for up to four V
CCO
banks when powered by the same voltage.
ling capacitors cover down to approximately 100KHz.
7 Series FPGAs PCB Design Guide
UG483 (v1.14) May 21, 2019
Chapter 2:Power Distribution System
Table 2-5:
Ideal
Value
0.47µF
Notes:
1.
2.
3.
4.
PCB Capacitor Specifications (Continued)
Value
Range
(1)
Body
Size
(2)
0603
Type
2-Terminal
Ceramic
X7R or X5R
ESL
Maximum
0.5nH
ESR Range
(3)
Voltage
Rating
(4)
6.3V
Suggested
PartNumber
GRM188R70J474KA01C>0.47µF1mΩ Values can be larger than specified. Body size can be smaller than specified. ESR must be within the specified range. Voltage rating can be higher than specified. Table2-6 lists the capacitors present in the packages for Kintex-7devices. Table 2-6: Package FBG484 FBV484 FBG484 FBV484 FBG676 FBV676 FBG676 FBV676 FBG676 FBV676 FBG676 FBV676 FBG900 FBV900 FBG900 FBV900 FFG676 FFV676 FFG676 FFV676 RF676 FFG676 FFV676 RF676 Package Capacitor Quantities per Device: Kintex-7Devices (1) Device V CCINT 2.2μF 2 2 2 2 2 2 2 2 4 V CCAUX 2.2μF 1 1 1 1 1 1 1 1 2 V CCAUX_IO per Group (2) 1.0μF N/A N/A N/A N/A 1 1 1 1 1 V CCO per Bank (3) 0.47μF 1 1 1 1 1 1 1 1 1 XC7K70T XC7K160T XC7K70T XC7K160T XC7K325T XC7K410T XC7K325T XC7K410T XC7K160T XA7K160T XC7K325T XQ7K325T XC7K410T XQ7K410T 4211 4211 7 Series FPGAs PCB Design Guide UG483 (v1.14) May 21, 2019