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參數(shù)資料
| 型號： | ICL3238ECA |
| 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, PDSO28 |
| 封裝： | PLASTIC, MO-150AH, SSOP-28 |
| 文件頁數(shù)： | 5/14頁 |
| 文件大?。?/td> | 319K |
| 代理商： | ICL3238ECA |
5
ENHANCED AUTOMATIC POWERDOWN
(FORCEON = GND, FORCEOFF = V
CC
)
Receiver Input Thresholds to
INVALID High
(Figure 6)
Full
-2.7
-
2.7
V
Receiver Input Thresholds to
INVALID Low
(Figure 6)
Full
-0.3
-
0.3
V
INVALID Output Voltage Low
I
OUT
= 1.0mA
Full
-
-
0.4
V
INVALID Output Voltage High
I
OUT
= -1.0mA
Full
V
CC
-0.6
-
-
V
Receiver Positive or Negative
Threshold to INVALID High Delay
(t
INVH
)
25
-
0.3
-
μs
Receiver Positive or Negative
Threshold to INVALID Low Delay
(t
INVL
)
25
-
60
-
μs
Receiver or Transmitter Edge to
Transmitters Enabled Delay (t
WU
)
(Note 6)
25
-
25
-
μs
Receiver or Transmitter Edge to
Transmitters Disabled Delay
(t
AUTOPWDN
)
(Note 6)
Full
15
30
60
s
TRANSMITTER OUTPUTS
Output Voltage Swing
All Transmitter Outputs Loaded with 3k
to Ground
Full
±
5.0
±
5.4
-
V
Output Resistance
V
CC
= V+ = V- = 0V, Transmitter Output =
±
2V
Full
300
10M
-
Output Short-Circuit Current
Full
-
±
35
±
60
mA
Output Leakage Current
V
OUT
=
±
12V, V
CC
= 0V or 3V to 5.5V,
Automatic Powerdown or FORCEOFF = GND
Full
-
-
±
25
μA
TIMING CHARACTERISTICS
Maximum Data Rate
R
L
= 3k
,
C
L
= 1000pF, One Transmitter Switching
Full
250
500
-
kbps
Receiver Propagation Delay
Receiver Input to Receiver
Output, C
L
= 150pF
t
PHL
25
-
0.15
-
μs
t
PLH
25
-
0.15
-
μs
Receiver Output Enable Time
Normal Operation
25
-
150
-
ns
Receiver Output Disable Time
Normal Operation
25
-
300
-
ns
Transmitter Skew
t
PHL
- t
PLH
25
-
50
-
ns
Receiver Skew
t
PHL
- t
PLH
25
-
50
-
ns
Transition Region Slew Rate
V
CC
= 3.3V,
R
L
= 3k
to 7k
,
Measured From 3V to -3V or -3V
to 3V
C
L
= 150pF to 1000pF
25
6
15
30
V/μs
C
L
= 150pF to 2500pF
25
4
12
30
V/μs
ESD PERFORMANCE
RS-232 Pins (T
OUT
, R
IN
)
IEC61000-4-2 Air Gap Discharge
25
-
±
15
-
kV
IEC61000-4-2 Contact Discharge
25
-
±
8
-
kV
Human Body Model
25
-
±
15
-
kV
All Other Pins
Human Body Model
25
-
±
2.5
-
kV
NOTES:
5. These inputs utilize a positive feedback resistor. The input current is negligible when the input is at either supply rail.
6. An “edge” is defined as a transition through the transmitter or receiver input thresholds.
Electrical Specifications
Test Conditions: V
CC
= 3.15V to 5.5V, C
1
- C
4
= 0.1μF; V
CC
= 3V, C
1
- C
4
= 0.22μF; Unless Otherwise
Specified. Typicals are at T
A
= 25
o
C
(Continued)
PARAMETER
TEST CONDITIONS
TEMP
(
o
C)
MIN
TYP
MAX
UNITS
ICL3238E
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