參數(shù)資料
型號(hào)： SP3245EEY-L/TR
廠商： Exar Corporation
文件頁(yè)數(shù)： 12/22頁(yè)
文件大?。?/td> 0K
描述： IC TXRX RS233 28TSSOP
產(chǎn)品變化通告： Packaging Change 15/Jul/2010
標(biāo)準(zhǔn)包裝： 2,500
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)
2
Exar Corporation 48720 Kato Road, Fremont CA, 94538 50-668-707 www.exar.com
SP3244E_SP3245E_00_2509
PIN ASSIgNmENTS
NAME
FUNCTION
PIN NUMBER
(T)SSOP
QFN
C2+
Positive terminal of the inverting charge pump capacitor.
29
C2-
Negative terminal of the inverting charge pump capacitor.
2
30
V-
Regulated -5.5V output generated by the charge pump.
3
RIN
RS-232 receiver input.
4
R2IN
RS-232 receiver input.
5
2
R3IN
RS-232 receiver input.
6
3
R4IN
RS-232 receiver input.
7
4
R5IN
RS-232 receiver input.
8
5
TOUT
RS-232 driver output.
9
6
T2OUT
RS-232 driver output.
0
7
T3OUT
RS-232 driver output.
8
T3IN
TTL/CMOS driver input.
2
0
T2IN
TTL/CMOS driver input.
3
TIN
TTL/CMOS driver input.
4
2
R5OUT
TTL/CMOS receiver output.
5
3
R4OUT
TTL/CMOS receiver output.
6
4
R3OUT
TTL/CMOS receiver output.
7
5
R2OUT
TTL/CMOS receiver output.
8
7
ROUT
TTL/CMOS receiver output.
9
8
R2OUT
Non-inverting receiver 2 output; active in shutdown.
20
9
STATUS
Status output.
2
20
SHUTDOWN
Forced SHUTDOWN input. Drive low to shut down drivers, receivers
and charge pump. Will override Auto On-Line Plus. Do not leave
this pin open.
22
2
ONLINE
Auto On-line Plus input. Active low enabled automatic power saving
feature. Equivalent to competitor's FORCEON pin. Do not leave this
pin open.
23
22
C-
Negative terminal of the voltage doubler charge pump capacitor.
24
23
GND
Ground connection.
25
24
VCC
Device power supply pin (3.0V to 5.5V).
26
V+
Regulated +5.5V output generated by the charge pump.
27
C+
Positive terminal of the voltage doubler charge pump capacitor.
28
NC
No connection.
-
9, 6, 25, 32
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