参数资料
型号: SP339EER1-L
厂商: Exar Corporation
文件页数: 17/23页
文件大小: 0K
描述: IC TXRX RS232/485 TERM 40QFN
特色产品: SP339 Multiprotocol Transceiver
标准包装: 490
类型: 收发器
驱动器/接收器数: 3/5
规程: RS232,RS422,RS485
电源电压: 3.3V,5V
安装类型: 表面贴装
封装/外壳: 40-VFQFN 裸露焊盘
供应商设备封装: 40-QFN(6x6)
包装: 托盘
其它名称: 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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