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參數(shù)資料
| 型號： | SP3222EEY-L/TR |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 19/23頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX RS232 ESD TRUE 20TSSOP |
| 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)動器/接收器數(shù)： | 2/2 |
| 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： | 20-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 20-TSSOP |
| 包裝： | 帶卷 (TR) |
| 其它名稱： | SP3222EEY-L/TR-ND |
Exar Corporation 48720 Kato Road, Fremont CA, 94538 510-668-7017 www.exar.com
SP3222E/SP3232E_101_031413
5
Table 1. Device Pin Description
NAME
FUNCTION
PIN NUMBER
SP3222E
SP3232E
SOIC
SSOP
TSSOP
EN
Receiver Enable. Apply Logic LOW for normal operation.
Apply logic HIGH to disable the receiver outputs (high-Z state)
1
-
C1+
Positive terminal of the voltage doubler charge-pump capacitor
2
1
V+
+5.5V output generated by the charge pump
3
2
C1-
Negative terminal of the voltage doubler charge-pump capacitor
4
3
C2+
Positive terminal of the inverting charge-pump capacitor
5
4
C2-
Negative terminal of the inverting charge-pump capacitor
6
5
V-
-5.5V output generated by the charge pump
7
6
T
1OUT
RS-232 driver output.
15
17
14
T
2OUT
RS-232 driver output.
8
7
R
1IN
RS-232 receiver input
14
16
13
R
2IN
RS-232 receiver input
9
8
R
1OUT
TTL/CMOS receiver output
13
15
12
R
2OUT
TTL/CMOS receiver output
10
9
T
1IN
TTL/CMOS driver input
12
13
11
T
2IN
TTL/CMOS driver input
11
12
10
GND
Ground
16
18
15
V
CC
+3.0V to +5.5V supply voltage
17
19
16
SHDN
Shutdown Control Input. Drive HIGH for normal device operation.
Drive LOW to shutdown the drivers (high-Z output) and the on-
board power supply
18
20
-
N.C.
No Connect
-
11, 14
-
PIN FUNCTION
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