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W83768 Datasheet

  • W83768

  • I/O COUPLER

  • 149.89KB

  • 8頁

  • WINBOND

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W83768
I/O COUPLER
GENERAL DESCRIPTION
The W83768 is an I/O-coupler chip that includes six line drivers (1488), ten line receivers (1489), two
timers (556), and one 244-type buffer block for game port signals. It also supports a power-down
control circuit to reduce power consumption. This chip is intended for use with an I/O controller, and it
is specifically designed to match the pin assignments of the Winbond Power I/O series. With this
chip, engineers can easily design an all-in-one I/O circuit for personal computer systems without using
any other TTL ICs.
FEATURES
鈥?/div>
Six line drivers (1488), ten line receivers (1489), two timers (556), one buffer block for game port
signals
鈥?/div>
Supports two RS232 serial ports and one game port control logic circuit
鈥?/div>
Power-down control function available
鈥?/div>
Four power supplies needed: 0V, +5V, +12V, and -12V
鈥?/div>
48-pin QFP package
PIN CONFIGURATION
/
R
V
G O
N P
D 3
/
R
V
O
P
2
/
R
V
O
P
1
P
D
C
I
N
R
V
I
N
9
R
V
I
N
6
/
D
R
O
P
5
R
V
I
N
7
R
V
I
N
8
G
B
O
0
G
B
O
1
36 35 34 33 32 31 30 29 28 27 26 25
RVOP4
DRIN1
DRIN2
DRIN3
RVOP5
GMRD
GMWR
DRIN4
DRIN5
DRIN6
RVOP6
+5V
37
38
39
40
41
42
43
44
45
46
47
48
1
2 3 4 5 6 7 8 9 10 11 12
24
23
22
21
20
19
18
17
16
15
14
13
-12V
RVIN10
DROP4
DROP6
RVIN1
RVIN4
DROP2
RVIN3
RVIN2
RVIN5
DROP3
DROP1
/
R
V
O
P
7
/
R
V
O
P
8
/
R
V
O
P
9
/ M S S S S G G
R R D D D D P P
V
0 1 4 5 O O
O
1 0
P
1
0
+
1
2
V
-1-
Publication Release Date: October 1994
Revision A1

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