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參數資料
| 型號： | ST34C87 |
| 廠商： | Exar Corporation |
| 英文描述： | QUAD RS-422 CMOS Differential Line Driver |
| 中文描述： | 四的RS - 422的CMOS差分線路驅動器 |
| 文件頁數： | 2/8頁 |
| 文件大?。?/td> | 72K |
| 代理商： | ST34C87 |
ST34C87
2
Rev. 1.01
PIN CONFIGURATION
16 Lead PDIP (0.300”)
V
CC
INPUT D
OUTPUT D+
OUTPUT D-
ENABLE C/D
OUTPUT C-
OUTPUT C+
INPUT C
INPUT A
OUTPUT A+
OUTPUT A-
ENABLE A/B
OUTPUT B-
OUTPUT B+
INPUT B
GND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
16 Lead SOIC (Jedec, 0.150”)
16
1
9
8
2
3
4
5
6
7
15
14
13
12
11
10
V
CC
INPUT D
OUTPUT D+
OUTPUT D-
ENABLE C/D
OUTPUT C-
OUTPUT C+
INPUT C
INPUT A
OUTPUT A+
OUTPUT A-
ENABLE A/B
OUTPUT B-
OUTPUT B+
INPUT B
GND
PIN DESCRIPTION
Pin #
Symbol
Type
Description
1
INPUT A
I
Driver A input pin.
2
OUTPUT
A+
OUTPUT
A-
ENABLE
A/B
OUTPUT
B-
OUTPUT
B+
INPUT B
O
Driver A differential non-inverting output pin.
3
O
Driver A differential inverting output pin.
4
I
Gate control (active high). This pin is one of the two control pins which enables or disables all
four drivers. All four drivers are gated with two input or gate.
Driver B differential inverting output pin.
5
O
6
O
Driver B differential non-inverting output pin.
7
I
Driver B input pin.
8
GND
O
Signal and power ground.
9
INPUT C
I
Driver C input pin.
10
OUTPUT
C+
OUTPUT
C-
ENABLE
C/D
OUTPUT
D-
OUTPUT
D+
INPUT D
O
Driver C differential non-inverting output pin.
11
O
Driver C differential inverting output pin.
12
I
Gate control (active low). See ENABLE A/B pin description.
13
O
Driver D differential inverting output pin.
14
O
Driver D differential non-inverting output pin.
15
I
Driver D input pin.
16
V
CC
I
Power supply pin.
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