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參數(shù)資料
| 型號： | SP3238ECY-L |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 1/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX RS232 INTELLIGNT 28TSSOP |
| 標準包裝： | 50 |
| 類型： | 收發(fā)器 |
| 驅(qū)動器/接收器數(shù)： | 5/3 |
| 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） |
| 供應商設(shè)備封裝： | 28-TSSOP |
| 包裝： | 管件 |
Exar Corporation 48720 Kato Road, Fremont CA, 94538 510-668-7017 www.exar.com
SP3238E_100_020111
1
SP3238E
Intelligent +3.0V to +5.5V RS-232 Transceiver
The SP3238E device is an RS-232 transceiver solution intended for portable or hand-held applications
such as notebook and palmtop computers. The SP3238E uses an internal high-efficiency, charge-pump
power supply that requires only 0.1F capacitors in 3.3V operation. This charge pump and Exar's driver
architecture allow the SP3238E device to deliver compliant RS-232 performance from a single power
supply ranging from +3.0V to +5.5V. The SP3238E is a 5-driver / 3-receiver device that is ideal for laptop
/ notebook computer and PDA applications. The SP3238E includes one complementary receiver that
remains alert to monitor an external device's Ring Indicate signal while the device is shutdown.
The
AUTO ON-LINE feature allows the device to automatically "wake-up" during a shutdown state
when an RS-232 cable is connected and a connected peripheral is turned on. Otherwise, the device
automatically shuts itself down drawing less than 1A.
FEATURES
■ Meets true EIA/TIA-232-F Standards
from a +3.0V to +5.5V power supply
■ Interoperable with EIA/TIA-232 and
adheres to EIA/TIA-562 down to a +2.7V
power source
■
AUTO ON-LINE circuitry automatically
wakes up from a 1A shutdown
■ Minimum 250Kbps data rate under load
■ Regulated Charge Pump Yields Stable
RS-232 Outputs Regardless of V
CC
Variations
■ Enhanced ESD Specifications:
+15kV Human Body Model
+15kV IEC61000-4-2 Air Discharge
+8kV IEC61000-4-2 Contact Discharge
DESCRIPTION
SELECTION TABLE
Now Available in Lead Free Packaging
T4IN
1
2
3
4
25
26
27
28
5
6
7
24
23
22
SHUTDOWN
C2-
V-
R1IN
R2IN
IN
ONLINE
C2+
C1-
GND
VCC
V+
T1IN
8
9
10
11
18
19
20
21
12
13
14
17
16
15
T OUT
T2OUT
T3OUT
T3IN
T2IN
T5IN
R3OUT
R2OUT
R1OUT
SP3238E
C1+
T4OUT
T5OUT
STATUS
1
3
R
Device
Power
Supplies
RS-232
Drivers
RS-232
Receivers
External
Components
Auto
On-Line
Circuitry
TTL 3-State
# of
Pins
SP3220E
+3.0V to +5.5V
1
4 Capacitors
No
Yes
16
SP3223E
+3.0V to +5.5V
2
4 Capacitors
Yes
20
SP3243E
+3.0V to +5.5V
3
5
4 Capacitors
Yes
28
SP3238E
+3.0V to +5.5V
5
3
4 Capacitors
Yes
28
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| SP3239EEA-L | IC TXRX RS232 INTELLIGENT 28SSOP |
| SP3243EBET-L/TR | IC TXRX RS232 INTELLIGNT 28WSOIC |
| SP3249EEY-L | IC TXRX RS232 INTELLIGNT 24TSSOP |
| SP331ET-L/TR | IC TXRX RS232/485 PROG 28WSOIC |
| SP332ET-L | IC TXRX RS232/485 SRL 28WSOIC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SP3238ECY-L/TR | 功能描述:RS-232接口集成電路 Intel. +3V to +5.5V RS-232 RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| SP3238EE | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Intelligent +3.0V to +5.5V RS-232 Transceiver |
| SP3238EEA | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
| SP3238EEA/TR | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
| SP3238EEA-L | 功能描述:RS-232接口集成電路 RS232 250 kbps temp -40C to 85C RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
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