FIGURE 3. MODE 10 - RS-485 H
參數(shù)資料
型號: SP339EER1-L
廠商: Exar Corporation
文件頁數(shù): 4/23頁
文件大?。?/td> 0K
描述: IC TXRX RS232/485 TERM 40QFN
特色產(chǎn)品: SP339 Multiprotocol Transceiver
標(biāo)準(zhǔn)包裝: 490
類型: 收發(fā)器
驅(qū)動器/接收器數(shù): 3/5
規(guī)程: RS232,RS422,RS485
電源電壓: 3.3V,5V
安裝類型: 表面貼裝
封裝/外殼: 40-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 40-QFN(6x6)
包裝: 托盤
其它名稱: 1016-1704
FIGURE 3. MODE 10 - RS-485 HALF DUPLEX
S
le
w
D
ir
1
M
o
d
e
0
=
0
M
o
d
e
1
=
1
T
e
rm
E
n
a
b
le
=
1
V
c
L1 = 1
L2
L3
L6 = 1
L8 = 1
L9 = 1
Vcc
R1
T1
R2
120
11
12
13
14
15
16
17
18
19
20
40
39
38
37
36
35
34
33
32
31
1
2
3
4
5
6
7
8
9
10
30
29
28
27
26
25
24
23
22
21
All pull-downs 330k
R
1
V+
C
2+
V
c
C
1+
C
1-
C
2-
V-
V
c
C3
0.1F
C2
0.1F
C1
0.1F
C4
0.1F
Cc
1.0F
SP339E
12
RS-232/RS-485/RS-422 TRANSCEIVER WITH INTERNAL TERMINATION
REV. 1.0.3
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