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參數(shù)資料
| 型號： | SP238AET-L/TR |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 5/12頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DVR/RCVR RS232 MULTI 24WSOIC |
| 標準包裝： | 1,500 |
| 類型： | 收發(fā)器 |
| 驅(qū)動器/接收器數(shù)： | 4/4 |
| 規(guī)程： | RS232 |
| 電源電壓： | 4.5 V ~ 5.5 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-SOIC（0.295"，7.50mm 寬） |
| 供應商設備封裝： | 24-SOIC W |
| 包裝： | 帶卷 (TR) |
Exar Corporation 48720 Kato Road, Fremont CA, 94538 (50)668-707 www.exar.com
SP238A_00_0740
2
This is a stress rating only and functional operation of the device
at these or any other conditions above those indicated in the
operationsectionsofthisspecificationisnotimplied.Exposureto
absolute maximum rating conditions for extended periods of time
may affect reliability.
V
CC..............................................................................................+6V
V+...................................................................(Vcc - 0.3V) to +3.2V
V–.............................................................................................3.2V
Input Voltages:
T
IN ...................................................................... –0.3 to (Vcc +0.3V)
R
IN ............................................................................................±30V
Output Voltages:
T
OUT........................................................... (V+, +0.3V) to (V-, -0.3V)
R
OUT ..................................................................-0.3V to (Vcc +0.3V)
Short Circuit Duration:
T
OUT................................................................................. Continuous
Power Dissipation:
Small Outline........................................................................375mW
(derate 7mW/°C above +70°C)
PaRaMeteRS
Min.
tYP.
MaX.
UnitS
conDitionS
Power Requirements
V
CC Power Supply Current
5.0
0.0
mA
No Load, T
A = +25°C
Shutdown Supply Current
.0
0
A
T
A = +25°C
logic inputs
Input Logic Threshold, LOW
0.8
V
T
IN
Input Logic Threshold, HIGH
2.0
V
T
IN
Logic Pull-up Current
5
200
A
T
IN = 0V
RS-232 inputs
RS-232 Input Voltage Range
-30
+30
V
RS-232 Input Threshold, LOW
0.8
.2
V
CC = 5V, TA = +25°C
RS-232 Input Threshold, HIGH
.7
2.4
V
CC = 5V, TA = +25°C
RS-232 Input Hysteresis
0.2
0.5
.0
V
CC = 5V
RS-232 Input Impedance
3
5
7
k
T
A=+25°C,-15V≤VIN≤+15V
logic outputs
Output Voltage LOW
0.4
V
I
OUT = 3.2mA
Output Voltage HIGH
3.5
V
I
OUT = .0mA
RS-232 outputs
Propagation Delay
.5
s
RS-232 to TTL
Instantaneous Slew Rate
30
V/s
C
L = 0pF, RL=3-7k;
T
A = +25°C
Transition Region Slew Rate
3
V/s
C
L = 2500pF, RL=3k;mea-
sured from +3V to -3V or -3V
to +3V
Output Voltage Swing
+/-5.0
V
All Driver outputs loaded with
3ktoGround
Output Resistance
300
V
CC=0V;VOUT = +/-2V
Output Short-Circuit Current
+/-0
mA
Infiniteduration
electRical cHaRacteRiSticS
V
CC=+5V±10%;AllspecificationsTMIN to TMAX unless otherwise noted.
abSolUte MaXiMUM RatinGS
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