參數(shù)資料
型號: SP3239EEA-L
廠商: Exar Corporation
文件頁數(shù): 10/16頁
文件大?。?/td> 0K
描述: IC TXRX RS232 INTELLIGENT 28SSOP
標準包裝: 46
類型: 收發(fā)器
驅動器/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-SSOP(0.209",5.30mm 寬)
供應商設備封裝: 28-SSOP
包裝: 管件
Exar Corporation 48720 Kato Road, Fremont CA, 94538 510-668-7017 www.exar.com
SP3239E_100_020111
3
ELECTRICAL CHARACTERISTICS
PARAMETER
MIN.
TYP. MAX. UNITS CONDITIONS
DRIVER OUTPUTS (continued)
Output Resistance
300
V
CC = V+ = V- = 0V, VOUT=+2V
Output Short-Circuit Current
+35
+60
mA
V
OUT = GND
RECEIVER INPUTS
Input Voltage Range
-25
25
V
Input Threshold LOW
0.6
1.2
V
Vcc = 3.3V
Input Threshold LOW
0.8
1.5
V
Vcc = 5.0V
Input Threshold HIGH
1.5
2.4
V
Vcc = 3.3V
Input Threshold HIGH
1.8
2.4
V
Vcc = 5.0V
Input Hysteresis
0.5
V
Input Resistance
3
5
7
k
TIMING CHARACTERISTICS
Maximum Data Rate
250
kbps
R
L = 3K, CL = 1000pF, one
driver switching
Receiver Propagation Delay
t
PHL
t
PLH
0.15
s
Receiver input to Receiver
output, C
L = 150pF
Receiver Output Enable Time
200
ns
Normal operation
Receiver Output Disable Time
200
ns
Normal operation
Driver Skew
100
ns
| t
PHL - tPLH |, TAMB = 25°C
Receiver Skew
50
ns
| t
PHL - tPLH |
Transition-Region Slew Rate
30
V/s
Vcc = 3.3V, R
L = 3k, TAMB =
25°C, measurements taken from
-3.0V to +3.0V or +3.0V to -3.0V
V
CC = +3.0V to +5.5V, C1 - C4 = 0.1F (tested at 3.3V +/-5%), C1 - C4 = 0.22F (tested at 3.3V +/-10%),
C1 = 0.047F and C2 - C4 = 0.33F (tested at 5.0V +/-10%), T
AMB = TMIN to TMAX, unless otherwise noted. Typical
values are at T
A = 25°C
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