參數(shù)資料
型號： ICL3244CA
廠商： INTERSIL CORP
元件分類： 通用總線功能
英文描述： 1Microamp, +3V to +5.5V, 250kbps, RS-232 Transceiver with Enhanced Automatic Powerdown
中文描述： TRIPLE LINE TRANSCEIVER, PDSO28
封裝： PLASTIC, MO-150AH, SSOP-28
文件頁數(shù)： 4/13頁
文件大?。?/td> 141K
代理商： ICL3244CA
4-4
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
μ
A
MOUSE DRIVEABILITY
Transmitter Output Voltage
(Figure 11)
T1
IN
= T2
IN
= GND, T3
IN
= V
CC
, T3
OUT
Loaded with 3k
to
GND, T1
OUT
and T2
OUT
Loaded with 2.5mA Each
Full
±
5
-
-
V
ENHANCED AUTOMATIC POWERDOWN
(FORCEON = GND, FORCEOFF = V
CC
)
Receiver Input Thresholds to
INVALID High
ICL3244 Powers Up (Figure 6)
Full
-2.7
-
2.7
V
Receiver Input Thresholds to
INVALID Low
ICL3244 Powers Down (Figure 6)
Full
-0.3
-
0.3
V
INVALID Output Voltage Low
I
OUT
= 1.6mA
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
-
1
-
μ
s
Receiver Positive or Negative
Threshold to INVALID Low Delay
(t
INVL
)
25
-
30
-
μ
s
Receiver or Transmitter Edge to
Transmitters Enabled Delay (t
WU
)
Note 2
25
-
100
-
μ
s
Receiver or Transmitter Edge to
Transmitters Enabled Delay
(t
AUTOPWDN
)
Note 2
Full
15
30
60
s
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
-
μ
s
t
PLH
25
-
0.15
-
μ
s
Receiver Output Enable Time
Normal Operation
25
-
200
-
ns
Receiver Output Disable Time
Normal Operation
25
-
200
-
ns
Transmitter Skew
t
PHL
- t
PLH
25
-
100
-
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
-
30
V/
μ
s
C
L
= 150pF to 2500pF
25
4
8
30
V/
μ
s
ESD PERFORMANCE
RS-232 Pins (T
OUT
, R
IN
)
Human Body Model
25
-
>
±
8
-
kV
IEC1000-4-2 Contact Discharge
25
-
±
8
-
kV
IEC1000-4-2 Air Gap Discharge
25
-
±
8
-
kV
All Other Pins
Human Body Model
25
-
±
3
-
kV
NOTE:
2. An “edge” is defined as a transition through the transmitter or receiver input thresholds.
Electrical Specifications
Test Conditions: V
CC
= 3V to 5.5V, C
1
- C
4
= 0.1
μ
F; Unless Otherwise Specified.
Typicals are at T
A
= 25
o
C
(Continued)
PARAMETER
TEST CONDITIONS
TEMP
(
o
C)
MIN
TYP
MAX
UNITS
ICL3244
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