ISL4238EIR Intersil, ISL4238EIR Datasheet - Page 7

• Manufacturer Part Number: ISL4238EIR
• Description: IC 5DRVR/3RCVR RS232 3V 32-QFN
• Manufacturer: Intersil
• Type: Transceiverr

Specifications of ISL4238EIR

• Number Of Drivers/receivers: 5/3
• Protocol: RS232
• Voltage - Supply: 2.7 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Electrical Specifications
ENHANCED AUTOMATIC POWER-DOWN (FORCEON = GND, FORCEOFF = V
Receiver Input Thresholds to
INVALID High
Receiver Input Thresholds to
INVALID Low
INVALID, Output Voltage Low
INVALID, Output Voltage High
Receiver Positive or Negative
Threshold to INVALID High Delay
(t
Receiver Positive or Negative
Threshold to INVALID Low Delay
(t
Receiver Positive or Negative
Threshold to INVALID Low Delay
(t
Receiver or Transmitter Edge to
Transmitters Enabled Delay (t
Receiver or Transmitter Edge to
Transmitters Disabled Delay
(t
TIMING CHARACTERISTICS
Maximum Data Rate
ISL4238E/4244E
Maximum Data Rate
ISL4245E
Receiver Propagation Delay
Receiver Skew
Transmitter Propagation Delay
ISL4238E/44E
Transmitter Skew ISL4238E/44E
Transmitter Propagation Delay
ISL4245E
Transmitter Skew ISL4245E
Receiver Output Enable Time
AUTOPWDN
INVH
INVL
INVL
)
)
)
PARAMETER
)
WU
)
7
Test Conditions: ISL4238E V
ISL424xE V
(see Figure 6)
(see Figure 6)
I
I
ISL4238E
ISL4244E/ISL42445E
(Note 4)
(Note 4)
R
R
Switching
Receiver Input to Receiver
Output,
C
t
Transmitter Input to
Transmitter Output,
C
t
Transmitter Input to
Transmitter Output,
C
t
Normal Operation, R
OUT
OUT
PHL
PHL
PHL
L
L
L
L
L
= 3kΩ, One Transmitter
= 150pF
= 1000pF, R
= 1000pF, R
= 3kΩ, C
- t
- t
- t
= 1.6mA
= -1.0mA
PLH
PLH
PLH
CC
, C
(see Note 6), R
(see Note 5), R
L
ISL4238E, ISL4244E, ISL4245E
= 1000pF, One Transmitter Switching
L
= 3V to 5.5V, C
L
L
= 150pF
= 3kΩ
= 3kΩ
TEST CONDITIONS
L
= 1kΩ to 0.5V
L
L
CC
C
V
V
C
t
t
t
t
t
t
= 3kΩ, C
= 3kΩ, C
PHL
PLH
PHL
PLH
PHL
PLH
1
CC
CC
L
L
= 3.15V to 5.5V, C
to C
= 1000pF
= 1000pF
= 3V to 4.5V, C
= 4.5V to 5.5V,
4
CC
= 0.1µF; Unless Otherwise Specified. Typicals are at T
L
L
= 1000pF
= 1000pF
, C
L
= 15pF
CC
L
1
)
= 250pF
to C
4
= 0.1µF; V
TEMP
(°C)
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
Full
25
25
25
25
25
25
25
25
25
25
25
25
25
CC
V
(Note 7)
= 3V, C
CC
1000
1000
MIN
-2.7
-0.3
250
250
15
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
- 0.6
1
to C
2000
1500
TYP
0.15
0.35
0.75
0.85
0.35
100
500
900
120
150
100
200
200
0.5
0.9
0.2
0.3
0.8
0.9
0.4
0.5
0.4
4
60
30
40
20
30
50
50
60
-
-
-
-
= 0.22µF;
A
(Note 7) UNITS
= +25°C
MAX
0.35
0.55
100
150
100
250
300
200
250
200
250
350
400
2.7
0.3
0.4
1.5
0.3
0.5
1.1
1.1
0.8
0.8
0.7
0.7
50
60
60
1
1
1
-
-
-
-
-
May 13, 2010
FN8038.5
kbps
kbps
kbps
kbps
sec
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
ns
ns
ns
ns
ns
ns
ns
ns
V
V
V
V