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參數(shù)資料
型號: SP339ECR1-L
廠商: Exar Corporation
文件頁數(shù): 18/23頁
文件大?。?/td> 0K
描述: IC TXRX RS232/485 TERM 40QFN
特色產(chǎn)品: SP339 Multiprotocol Transceiver
標準包裝: 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
供應商設備封裝: 40-QFN(6x6)
包裝: 托盤
其它名稱: 1016-1703
SP339E
4
RS-232/RS-485/RS-422 TRANSCEIVER WITH INTERNAL TERMINATION
REV. 1.0.3
PIN DESCRIPTIONS BY MODE (MODE1, MODE0)
Pin
Name
00, Figure 1
01, Figure 2
10, Figure 3
11, Figure 4
21
R9
R5 Input
22
R8
R4 Input
23
GND
Ground
24
R7
T3 Output
25
R6
R3 Input
26
GND
Ground
27
R4
T2 Output
R1 Input B
28
R3
T1 Output
R2 Input A
29
GND
Ground
30
R2
R2 Input
R1 Input A, T1 Out A
T1 Out A
31
R1
R1 Input
R1 Input B, T1 Out B
T1 Out B
32
VCC
VCC - 1.0 F to ground recommended for supply decoupling
33
VSS
VSS - Charge pump negative supply, 0.1 F from ground
34
C2-
C2+ - Charge pump cap 2 negative lead
35
C1-
C1- - Charge pump cap 1 negative lead
36
GND
Ground
37
C1+
C1+ - Charge pump cap 1 positive lead, 0.1 F
38
VCC
VCC
39
C2+
C2+ - Charge pump cap 2 positive lead, 0.1 F
40
VDD
VDD - Charge pump positive supply, 0.1 F to ground
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