(tINVH
參數(shù)資料
型號： ISL4243EIR
廠商： Intersil
文件頁數(shù)： 11/14頁
文件大?。?/td> 0K
描述： IC TXRX RS232 2.7-5.5VESD 32-QFN
標(biāo)準(zhǔn)包裝： 60
類型： 收發(fā)器
驅(qū)動器/接收器數(shù)： 3/5
規(guī)程： RS232
電源電壓： 2.7 V ~ 5.5 V
安裝類型： 表面貼裝
封裝/外殼： 32-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 32-QFN 裸露焊盤（5x5）
包裝： 管件
6
FN8037.7
June 10, 2010
Receiver Positive or Negative
Threshold to INVALID High Delay
(tINVH)
25
-
0.5
1
s
Full
-
0.9
1.5
s
Receiver Positive or Negative
Threshold to INVALID Low Delay
(tINVL)
25
-
30
50
s
Full
-
40
60
s
RECEIVER INPUTS
Input Voltage Range
Full
-25
-
25
V
Input Threshold Low
VCC = 3.0V
Full
-
1.0
0.6
V
Input Threshold High
VCC = 3.6V
Full
2.4
1.5
-
V
Input Hysteresis
25
-
0.5
-
V
Input Resistance
Full
3
5
7
k
Ω
TRANSMITTER OUTPUTS
Output Voltage Swing
All Transmitter Outputs Loaded with 3k
Ω to Ground
Full
±5.0
±5.4
-
V
Output Resistance
VCC = V+ = V- = 0V, Transmitter Output = ±2V
Full
300
10M
-
Ω
Output Short-Circuit Current
Full
-
±35
±60
mA
Output Leakage Current
VOUT = ±12V, VCC = 0V or 3V to 5.5V,
Automatic Power-down or FORCEOFF = SHDN = GND
Full
-
±25
A
TIMING CHARACTERISTICS
Maximum Data Rate
RL = 3kΩ, CL = 1000pF, One Transmitter Switching
Full
250
500
-
kbps
Receiver Propagation Delay
Receiver Input to Receiver Output,
CL = 150pF
tPHL
25
-
0.15
0.3
s
Full
-
0.2
0.35
s
tPLH
25
-
0.3
0.5
s
Full
-
0.35
0.55
s
Receiver Skew
tPHL - tPLH, CL = 150pF
25
-
120
250
ns
Full
-
150
300
ns
Transmitter Propagation Delay
Transmitter Input to Transmitter Output,
CL = 1000pF, RL = 3kΩ
tPHL
25
-
0.75
1
s
Full
-
0.85
1.1
s
tPLH
25
-
0.8
1
s
Full
-
0.9
1.1
s
Transmitter Skew
tPHL - tPLH (Note 3), RL = 3kΩ, CL = 1000pF
25
-
50
200
ns
Full
-
100
250
ns
Receiver Output Enable Time
Normal Operation, RL = 1kΩ to 0.5VCC, CL = 15pF
25
-
200
350
ns
Full
-
200
400
ns
Receiver Output Disable Time
Normal Operation, RL = 1kΩ to 0.5VCC, CL = 15pF
25
-
350
500
ns
Full
-
400
600
ns
Transmitter Output Enable Time
Normal Operation, RL = 3kΩ, CL = 1000pF
25
-
25
40
s
Full
-
30
50
s
Transmitter Output Disable Time
Normal Operation, RL = 3kΩ, CL = 1000pF
25
-
2.5
4
s
Full
-
2.7
4
s
Electrical Specifications
Test Conditions: VCC = 3V to 5.5V, C1 to C4 = 0.1F; Unless Otherwise Specified.
Typicals are at TA = +25°C (Continued)
PARAMETER
TEST CONDITIONS
TEMP
(°C)
MIN
(Note 4)
TYP
MAX
(Note 4) UNITS
ISL4241E, ISL4243E
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