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參數(shù)資料
型號: SP339EER1-L
廠商: Exar Corporation
文件頁數(shù): 17/23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
SP339E
3
REV. 1.0.3
RS-232/RS-485/RS-422 TRANSCEIVER WITH INTERNAL TERMINATION
PIN DESCRIPTIONS BY MODE (MODE1, MODE0)
Pin
Name
00, Figure 1
01, Figure 2
10, Figure 3
11, Figure 4
1
L1
R1 Output
1
2
L2
R2 Output
R1 Output
3
L3
T1 Input
4
L4
T2 Input
5
L6
R3 Output
1
6
L7
T3 Input
7
L8
R4 Output
1
8
L9
R5 Output
1
9
VCC
VCC
10
GND
Ground
11
SLEW
SLEW = VCC enables 250kbps slew limiting
12
DIR1
T1 Enable,
R1 Disable
T1 Enable
13
N/C
This pin is not used and is not connected internally
14
MODE0
0
1
0
1
15
MODE1
0
1
16
N/C
This pin is not used and is not connected internally
17
TERM
Enables RS-485/422 receiver termination
18
N/C
This pin is not used and is not connected internally
19
ENABLE
ENABLE = VCC for operation, ENABLE = 0V for shutdown
20
VCC
VCC
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