參數(shù)資料
型號(hào)： SP3243EUEY-L/TR
廠商： Exar Corporation
文件頁數(shù)： 21/24頁
文件大小： 0K
描述： IC TXRX RS232 INTELLIGNT 28TSSOP
產(chǎn)品變化通告： Packaging Change 15/Jul/2010
標(biāo)準(zhǔn)包裝： 1,500
類型： 收發(fā)器
驅(qū)動(dòng)器/接收器數(shù)： 3/5
規(guī)程： RS232
電源電壓： 3 V ~ 5.5 V
安裝類型： 表面貼裝
封裝/外殼： 28-TSSOP（0.173"，4.40mm 寬）
供應(yīng)商設(shè)備封裝： 28-TSSOP
包裝： 帶卷 (TR)
6
Exar Corporation 48720 Kato Road, Fremont CA, 94538 510-668-7017 www.exar.com
SP3243E_102_060611
Table 1. Device Pin Description
PIN NUMBER
NAME
FUNCTION
SP3243E
SP3243EUCR
QFN
C1+
Positive terminal of the voltage doubler charge-pump capacitor
28
V+
Regulated +5.5V output generated by the charge pump
27
26
C1-
Negative terminal of the voltage doubler charge-pump capacitor
24
22
C2+
Positive terminal of the inverting charge-pump capacitor
1
29
C2-
Negative terminal of the inverting charge-pump capacitor
2
31
V-
Regulated -5.5V output generated by the charge pump
3
32
R
1IN
RS-232 receiver input.
4
2
R
2IN
RS-232 receiver input
5
3
R
3IN
RS-232 receiver input
6
4
R
4IN
RS-232 receiver input
7
5
R
5IN
RS-232 receiver input
8
6
R
1OUT
TTL/CMOS receiver output
19
17
R
2OUT
TTL/CMOS receiver output
18
16
R
2OUT
Non-inverting receiver-2 output, active in shutdown
20
18
R
3OUT
TTL/CMOS receiver output
17
15
R
4OUT
TTL/CMOS receiver output
16
14
R
5OUT
TTL/CMOS receiver output
15
13
STATUS
TTL/CMOS Output indicating online and shutdown status
21
19
T
1IN
TTL/CMOS driver input
14
12
T
2IN
TTL/CMOS driver input
13
11
T
3IN
TTL/CMOS driver input
12
10
ONLINE
Apply logic HIGH to override AUTO ON-LINE circuitry
keeping drivers acive (SHUTDOWN must also be logic
HIGH, refer to Table 2)
23
21
T1
OUT
RS-232 driver output
9
7
T2
OUT
RS-232 driver output
10
8
T3
OUT
RS-232 driver output
11
9
GND
Ground
25
23
V
CC
+3.0V to +5.5V supply voltage
26
25
SHUTDOWN Apply logic LOW to SHUTDOWN driver and charge pump.
This overrides all AUTO ON-LINE circuitry and ONLINE
(Refer to table 2)
22
20
NC
No Connection
-
1,24,27,30
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SP3243EY-L 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述:
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SP3243HCT 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:High Speed Intelligent +3.0V to +5.5V RS-232 Transceivers
SP3243U 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:High Speed Intelligent +3.0V to +5.5V RS-232 Transceivers
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