10.
Circuit Diagrams and PWB Layouts
Digital Bolt-On: 7401 Digital Decoupling
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
D
3
.
3
V_BCM740X
D
3
.
3
V_BCM740X
D1.2V_BCM740X
D1.2V_BCM740X
D2.6V_BCM740X
D2.6V_BCM740X
D
3
.
3
V_BCM740X
D2.6V_BCM740X
D1.2V_BCM740X
7401 Di
g
ital Decouplin
g
C261
0.01
u
C261
0.01
u
C260
0.01
u
C260
0.01
u
C24
3
0.1
u
C24
3
0.1
u
C2
33
0.01
u
C2
33
0.01
u
C2
3
6
0.01
u
C2
3
6
0.01
u
C259
0.1
u
C259
0.1
u
+
EC
3
6
33u
/25V
+
EC
3
6
33u
/25V
C264
1n
C264
1n
C245
0.1
u
C245
0.1
u
+
EC
38
33u
/25V
+
EC
38
33u
/25V
C255
22
u
/6.
3
V/0
8
C255
22
u
/6.
3
V/0
8
1
2
H
S
1
*
HEAT
S
INK
H
S
1
*
HEAT
S
INK
C24
8
0.01
u
C24
8
0.01
u
C2
3
7
1n
C2
3
7
1n
C246
0.01
u
C246
0.01
u
C2
3
5
0.01
u
C2
3
5
0.01
u
C244
0.1
u
C244
0.1
u
C256
0.1
u
C256
0.1
u
C254
22
u
/6.
3
V/0
8
C254
22
u
/6.
3
V/0
8
C26
3
0.01
u
C26
3
0.01
u
+
EC
3
9
33u
/25V
+
EC
3
9
33u
/25V
C22
8
10
u
/10V/0
8
C22
8
10
u
/10V/0
8
C241
10
u
/10V/0
8
C241
10
u
/10V/0
8
C267
1n
C267
1n
+
EC
3
7
33u
/25V
+
EC
3
7
33u
/25V
C2
3
4
0.01
u
C2
3
4
0.01
u
C2
3
9
1n
C2
3
9
1n
C2
3
2
0.1
u
C2
3
2
0.1
u
C250
1n
C250
1n
C251
1n
C251
1n
C262
0.01
u
C262
0.01
u
C229
0.1
u
C229
0.1
u
C249
0.01
u
C249
0.01
u
C252
1n
C252
1n
C242
0.1
u
C242
0.1
u
C247
0.01
u
C247
0.01
u
VDDO
W1
9
VDDO
P20
VDDO
M1
9
VDDO
T19
VDDO
U19
DV
SS
F20
DV
SS
G1
0
DV
SS
G1
8
DV
SS
G1
9
DV
SS
G6
DV
SS
H6
VDDO
W1
4
VDDO
H1
8
VDDO
W1
8
VDDO
P19
VDDO
N19
VDDC
P1
8
VDDC
V14
VDDC
V15
VDDC
V16
VDDC
Y7
VDDC
W7
VDDC
N1
8
VDDC
R1
8
VDDC
T1
8
VDDC
R
8
VDDC
T
8
VDDC
J10
VDDC
V1
8
VDDC
J
8
VDDC
K
8
VDDC
L
8
VDDC
M
8
VDDC
N
8
VDDC
U
8
VDDC
V
8
VDDC
V17
VDDC
P
8
VDDO
W1
2
VDDO
H12
VDDO
H11
VDDO
L19
VDDO
Y19
VDDO
W1
3
VDDO
W1
5
VDDO
R19
VDDO
W1
7
DV
SS
E1
DV
SS
AF2
3
DV
SS
AE4
DV
SS
AE1
DV
SS
AC26
DV
SS
U6
DV
SS
V1
DV
SS
T6
DV
SS
P6
DV
SS
N20
DV
SS
N1
DV
SS
L6
DV
SS
H
8
DDRV
U7
DDRV
T7
DDRV
N7
DDRV
AE5
DDRV
P7
DDRV
V7
DDRV
W1
DDRV
D5
DDRV
M7
DDRV
Y6
DDRV
W6
DDRV
M1
DDRV
R7
DV
SS
E5
VDDP
W1
0
VDDP
Y10
VDDP
W1
6
VDDP
L20
VDDP
H1
3
VDDC
U1
8
VDDC
J9
DV
SS
AA6
DV
SS
K9
DV
SS
K10
DV
SS
K11
DV
SS
K12
DV
SS
K1
3
DV
SS
K14
DV
SS
K15
DV
SS
K17
DV
SS
L9
DV
SS
L10
DV
SS
L11
DV
SS
L12
DV
SS
L1
3
DV
SS
L14
DV
SS
L15
DV
SS
L16
DV
SS
L17
DV
SS
M9
DV
SS
M1
0
DV
SS
M1
1
DV
SS
M1
2
DV
SS
M1
3
DV
SS
M1
4
DV
SS
M1
5
DV
SS
M1
6
DV
SS
M1
7
DV
SS
N9
DV
SS
N10
DV
SS
N11
DV
SS
N12
DV
SS
N1
3
DV
SS
N14
DV
SS
N15
DV
SS
N16
DV
SS
N17
DV
SS
P9
DV
SS
P10
DV
SS
P11
DV
SS
P12
DV
SS
P1
3
DV
SS
P14
DV
SS
P15
DV
SS
P16
DV
SS
P17
DV
SS
R9
DV
SS
R10
DV
SS
R11
DV
SS
R12
DV
SS
R1
3
DV
SS
R14
DV
SS
R15
DV
SS
R16
DV
SS
R17
DV
SS
T9
DV
SS
T10
DV
SS
T11
DV
SS
T12
DV
SS
T1
3
DV
SS
T14
DV
SS
T15
DV
SS
T16
DV
SS
T17
DV
SS
U9
DV
SS
U10
DV
SS
U11
DV
SS
U12
DV
SS
U1
3
DV
SS
U14
DV
SS
U15
DV
SS
U16
DDRV
K6
DDRV
H7
DDRV
D1
DDRV
N6
DDRV
J7
DDRV
L7
DDRV
G7
DDRV
J6
DDRV
M6
DDRV
AD1
VDDO
Y1
8
VDDO
Y16
VDDO
Y15
VDDO
Y17
VDDO
G1
1
VDDO
W1
1
VDDO
V19
DDRV
K7
DDRV
V6
VDDC
J1
8
VDDC
V1
3
VDDC
V12
VDDC
V10
VDDC
V9
VDDC
J17
VDDC
J16
VDDC
J15
VDDC
L1
8
VDDC
M1
8
VDDC
J14
VDDC
J1
3
VDDC
J12
VDDC
J11
VDDC
W9
VDDC
W
8
VDDC
V11
VDDC
K1
8
DV
SS
K16
DV
SS
C4
DV
SS
U17
D
3
.
3
V
D1.2V
D2.6V
DDR
D2.5V
DGND
U1-1
8
BCM7402
D
3
.
3
V
D1.2V
D2.6V
DDR
D2.5V
DGND
U1-1
8
BCM7402
C2
3
0
0.1
u
C2
3
0
0.1
u
C266
1n
C266
1n
C2
38
1n
C2
38
1n
C240
1n
C240
1n
C25
8
0.1
u
C25
8
0.1
u
C2
3
1
0.1
u
C2
3
1
0.1
u
C265
1n
C265
1n
C257
0.1
u
C257
0.1
u
C25
3
1n
C25
3
1n
1
8
610_510_090605.ep
s
090605