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參數(shù)資料
| 型號： | ISL4270EIR-T |
| 廠商： | INTERSIL CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| 中文描述： | TRIPLE LINE TRANSCEIVER, PQCC32 |
| 封裝： | 5 X 5 MM, PLASTIC, MO-220VHHD-2, QFN-32 |
| 文件頁數(shù)： | 9/13頁 |
| 文件大小： | 335K |
| 代理商： | ISL4270EIR-T |
5
TRANSMITTER OUTPUTS
Output Voltage Swing
All Transmitter Outputs Loaded with 3k
to Ground
Full
±5.0
±5.4
-
V
Output Resistance
VCC = V+ = V- = 0V, Transmitter Output = ±2V
Full
300
10M
-
Output Short-Circuit Current
VOUT = 0V
Full
-
±35
±60
mA
Output Leakage Current
VOUT = ±12V, VCC = 0V or 3V to 5.5V
Automatic Powerdown or FORCEOFF =GND
Full
-
±25
A
ENHANCED AUTOMATIC POWERDOWN (FORCEON = GND, FORCEOFF = VCC)
Receiver Input Thresholds to
INVALID High
See Figure 4
Full
-2.7
-
2.7
V
Receiver Input Thresholds to
INVALID Low
See Figure 4
Full
-0.3
-
0.3
V
INVALID Output Voltage Low
IOUT = 1.6mA
Full
-
0.4
V
INVALID Output Voltage High
IOUT = -1.0mA
Full
VL - 0.6
-
V
Receiver Positive or Negative
Threshold to INVALID High Delay
(tINVH)
See Figure 7
25
-
1
-
s
Receiver Positive or Negative
Threshold to INVALID Low Delay
(tINVL)
See Figure 7
25
-
30
-
s
Receiver or Transmitter Edge to
Transmitters Enabled Delay (tWU)
Note 2, See Figure 7
25
-
100
-
s
Receiver or Transmitter Edge to
Transmitters Disabled Delay
(tAUTOPWDN)
Note 2, See Figure 7
Full
15
30
60
sec
TIMING CHARACTERISTICS
Maximum Data Rate
RL =3k, CL = 1000pF, One Transmitter Switching
Full
250
500
-
kbps
Receiver Propagation Delay
Receiver Input to Receiver
Output, CL = 150pF
tPHL
25
-
0.15
-
s
tPLH
25
-
0.15
-
s
Time to Exit Powerdown
TX | VOUT | ≥ 3.7V
25
-
100
-
s
Transmitter Skew
tPHL - tPLH
25
-
100
-
ns
Receiver Skew
tPHL - tPLH
25
-
50
-
ns
Transition Region Slew Rate
VCC =3.3V,
RL =3k to 7k,
Measured From 3V to -3V or -3V
to 3V
CL = 150pF to 1000pF
25
6
18
30
V/
s
CL = 150pF to 2500pF
25
4
13
30
V/
s
ESD PERFORMANCE
RS-232 Pins (TOUT, RIN)
Human Body Model
25
-
±15
-
kV
IEC61000-4-2 Air Gap Discharge
25
-
±15
-
kV
IEC61000-4-2 Contact Discharge
25
-
±8-
kV
NOTES:
2. An “edge” is defined as a transition through the transmitter or receiver input thresholds.
Electrical Specifications
Test Conditions: VCC = 3V to 5.5V, C1 - C4 = 0.1F, VL = VCC; Unless Otherwise Specified.
Typicals are at TA = 25
oC, V
CC = VL = 3.3V (Continued)
PARAMETER
TEST CONDITIONS
TEMP
(oC)
MIN
TYP
MAX
UNITS
ISL4270E
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