74ABT646A 데이터 시트보기 (PDF) - Philips Electronics
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74ABT646A Datasheet PDF : 14 Pages
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Philips Semiconductors
Octal bus transceiver/register (3-State)
Product specification
74ABT646A
LOGIC SYMBOL
4 5 6 7 8 9 10 11
A0 A1 A2 A3 A4 A5 A6 A7
1
CPAB
2
SAB
3
DIR
23
CPBA
22
SBA
21
OE
B0 B1 B2 B3 B4 B5 B6 B7
20 19 18 17 16 15 14 13
SA00083
REAL TIME BUS TRANSFER
BUS B TO BUS A
REAL TIME BUS TRANSFER
BUS A TO BUS B
LOGIC SYMBOL (IEEE/IEC)
21
G3
3EN1 [BA]
3
3EN2 [AB]
22
G6
2
G7
23
C4
1
C5
4
w1
6 4D
20
ʼn1
61
5D 7
17
w1
2ʼn
5
19
6
18
7
17
8
16
9
15
10
14
11
13
SA00084
STORAGE FROM
A, B, OR A AND B
TRANSFER STORED DATA
TO A OR B
A
B
A
B
A
B
A
B
OE DIR CPAB CPBA SAB SBA
LLXXXL
OE DIR CPAB CPBA SAB SBA
LHXXLX
OE DIR CPAB CPBA SAB SBA
LH↑XXX
LLX↑XX
HX ↑ ↑ XX
OE DIR CPAB CPBA SAB SBA
L L X H or L X H
L H H or L X H X
SA00085
1998 Feb 17
3
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