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参数资料
| 型号： | SP3238EEA-L/TR |
| 厂商： | Exar Corporation |
| 文件页数： | 16/20页 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS232 INTELLIGENT 28SSOP |
| 标准包装： | 1,500 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 5/3 |
| 规程： | RS232 |
| 电源电压： | 3 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 28-SSOP |
| 包装： | 带卷 (TR) |
| 其它名称： | SP3238EEA-L/TR-ND |
Exar Corporation 48720 Kato Road, Fremont CA, 94538 510-668-7017 www.exar.com
SP3238E_100_020111
5
Table 1. Device Pin Description
NAME
FUNCTION
PIN NUMBER
C2+
Positive terminal of the symmetrical charge-pump capacitor C2.
1
GND
Ground.
2
C2-
Negative terminal of the symmetrical charge-pump capacitor C2.
3
V-
Regulated -5.5V output generated by the charge pump.
4
T
1OUT
RS-232 Driver Output.
5
T
2OUT
RS-232 Driver Output.
6
T
3OUT
RS-232 Driver Output.
7
R
1IN
RS-232 receiver input.
8
R
2IN
RS-232 receiver input.
9
T
4OUT
RS-232 Driver Output.
10
R
3IN
RS-232 receiver input.
11
T
5OUT
RS-232 Driver Output.
12
ONLINE
Apply logic HIGH to override
AUTO ON-LINE circuitry keeping drivers
active (SHUTDOWN must also be logic HIGH, refer to Table 2).
13
SHUTDOWN Apply logic LOW to shut down drivers and charge pump.
This overrides all
AUTO ON-LINE circuitry and ONLINE (Refer to table 2).
14
STATUS
TTL/CMOS Output indicating if a RS-232 signal is present on any receiver
input.
15
R
1OUT
Non-Inverting receiver - 1 output, active in shutdown.
16
T
5IN
TTL/CMOS driver input.
17
R
3OUT
TTL/CMOS receiver output.
18
T
4IN
TTL/CMOS driver input.
19
R
2OUT
TTL/CMOS receiver output.
20
R
1OUT
TTL/CMOS receiver output.
21
T
3IN
TTL/CMOS driver input.
22
T
2IN
TTL/CMOS driver input.
23
T
1IN
TTL/CMOS driver input.
24
C1-
Negative terminal of the symmetrical charge-pump capacitor C1.
25
Vcc
+3.0V to +5.5V supply voltage.
26
V+
Regulated +5.5V output generated by the charge pump.
27
C1+
Positive terminal of the symmetrical charge-pump capacitor C1.
28
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SP3238EECA | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Intelligent +3.0V to +5.5V RS-232 Transceiver |
| SP3238EECA/TR | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Intelligent +3.0V to +5.5V RS-232 Transceiver |
| SP3238EECA-L | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Intelligent +3.0V to +5.5V RS-232 Transceiver |
| SP3238EECA-L/TR | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Intelligent +3.0V to +5.5V RS-232 Transceiver |
| SP3238EECY | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Intelligent +3.0V to +5.5V RS-232 Transceiver |
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