Datasheet

1 2 3 4 56
A
B
C
D
6
54321
D
C
B
A
ti
12500 TI Boulevard. Dallas, Texas 75243
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Revision History
REV ECN Number Approved
DOCUMENT CONTROL #:
33
Power & Digital Buffer
5
DATE: 4-Aug-2006
Power Supply & Digital Buffer Circuit
6458784
B_DB[17...0]
1 16
2 15
3 14
4 13
5
9
12
6
8
10
11
7
RP2
50
+VBD
/OE
DIR
A1
A2
A3
A4
A5
A6
A7
A8
B1
B2
B3
B4
B5
B6
B7
B8
VCC
GND
U10
SN74AHC245PWR
+VBD
C70
0.1uF
1 16
2 15
3 14
4 13
5
9
12
6
8
10
11
7
RP1
50
+VBD
/OE
DIR
A1
A2
A3
A4
A5
A6
A7
A8
B1
B2
B3
B4
B5
B6
B7
B8
VCC
GND
U9
SN74AHC245PWR
+VBD
C67
0.1uF
DB[17...0]
DB15
DB14
DB13
DB12
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
B_DB15
B_DB14
B_DB13
B_DB12
B_DB11
B_DB0
B_DB10
B_DB1
B_DB9
B_DB2
B_DB8
B_DB3
B_DB7
B_DB4
B_DB6
B_DB5
B_BUSY
1 16
2 15
3 14
4 13
5
9
12
6
8
10
11
7
RP3
1K
/OE
DIR
A1
A2
A3
A4
A5
A6
A7
A8
B1
B2
B3
B4
B5
B6
B7
B8
VCC
GND
U8
SN74AHC245PWR
+VBD
C66
0.1uF
CS
RD
CONVST
BYTE
R42
10k
R43
10k
R44
10k
+VBD
R45
10k
R41
10k
BUSY
B_CS
B_RD
B_CONVST
B_BYTE
B_BUS18/16
DB[17...0]
B_DB[17...0]
B_CS
B_BYTE
B_CONVST
B_RD
B_BUS18/16
2 4
53
U12
SN74AHC1G04DBV
+VBD
C68
0.1uF
W2
INTc
Lijoy Philipose
Lijoy Philipose
A
1
B
2
C
3
G1
6
G2A
4
G2B
5
Y0
15
Y1
14
Y2
13
Y3
12
Y4
11
Y5
10
Y6
9
Y7
7
VCC
16
GND
8
U13
SN74AHC138PWR
A0
A1
A2
A0
A2
A1
+VBD
C69
0.1uF
+VBD
1
3
2
W4
1
3
2
W3
DC_CS
R46
10k
+VBD
DC_CS
+VBD
/OE
DIR
A1
A2
A3
A4
A5
A6
A7
A8
B1
B2
B3
B4
B5
B6
B7
B8
VCC
GND
U11
SN74AHC245PWR
C71
0.1uF
RD
B_DB16
B_DB17
RP4
50
+VBD
DB17
DB16
L3
MMZ2012R601A
C15
NI
C16
NI
C60
NI
C61
NI
TP11
TP12
TP10
+VCC
-VCC
C50
10uF
C51
10uF
C64
1000pF
C65
1000pF
+VA
-VA
TP13
L4
MMZ2012R601A
TP7
+5VCC
C58
NI
C56
NI
TP8
C48
10uF
C62
1000pF
+AVCC
L1
MMZ2012R601A
TP9
+VBD
C59
NI
C57
NI
TP14
C49
10uF
C63
1000pF
+BVDD
L2
MMZ2012R601A
CS
RD
CONVST
BYTE
BUS18/16
C55
10uF
C54
10uF
C52
10uF
C53
10uF
W6
DC_CONVST
W5
DC_CS