ISL41334IRZ-T7A Intersil, ISL41334IRZ-T7A Datasheet - Page 4

• Manufacturer Part Number: ISL41334IRZ-T7A
• Description: IC TXRX RS232/485 DL 2PRT 40QFN
• Manufacturer: Intersil

Specifications of ISL41334IRZ-T7A

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

NOTE:
ISL41334 Truth Tables
SEL1 or 2 ON/OFF
SEL1 or 2 ON/OFF
SEL1 or 2 ON/OFF
2. Charge pumps are off iff SEL1 = SEL2 = 1, or if ON/OFF = 0. If ON = 1, and either port is programmed for RS-232 mode, then the charge pumps
are on.
0
0
X
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
1
1
1
1
0
RS-232 TRANSMITTING MODE
INPUTS
RS-232 RECEIVING MODE
INPUTS
RXEN 1
SPA
or 2
0
0
0
0
0
1
X
X
X
X
X
0
0
1
1
X
0
0
1
1
D
X
0
0
1
1
INPUTS
Y
4
Open
SPB
(FOR EACH PORT)
A
X
X
0
0
1
1
X
X
X
X
X
0
1
0
1
0
1
0
1
D
X
0
1
0
1
Z
Open
RXEN 1
B
X
X
0
1
0
1
or 2
High-Z
X
0
1
0
0
0
0
0
1
1
1
1
1
Y
1
1
0
0
OUTPUTS
TABLE 3. ISL41334 FUNCTION TABLE
High-Z High-Z
High-Z High-Z
R
DE 1 or 2
OUTPUT
1
1
0
0
1
A
ISL81334, ISL41334
N.A.
N.A.
X
High-Z
0
1
1
1
1
0
1
1
1
1
Z
1
0
1
0
R
1
0
1
0
1
B
High-Z
High-Z
High-Z High-Z* High-Z
High-Z High-Z*
High-Z High-Z*
High-Z High-Z*
High-Z High-Z*
ON
ON
ON
ON
ON
ON
R
RECEIVER
OUTPUTS
A
High-Z* High-Z
High-Z*
High-Z*
High-Z*
High-Z*
High-Z
High-Z
ON
R
* Internally pulled high through a 40kΩ resistor.
SEL1
B
or 2
SEL1
1
1
1
1
1
or 2
1
1
1
1
1
High-Z
OFF
ON/
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
OUTPUTS
Y
1
1
1
1
0
DRIVER
ON/OFF
1 or 2 SPA SPB
1
1
1
1
0
DE
INPUTS
High-Z
High-Z
High-Z
X
1
1
1
0
RS-485 TRANSMITTING MODE
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
Z
RS-485 RECEIVING MODE
INPUTS
RXEN 1
X
X
0
0
1
or 2
CHARGE
(NOTE 2)
X
0
0
0
1
PUMPS
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
X
X
X
0
1
Open or Shorted
≤ -200mV
D
0/1
0/1
0/1
≥ -40mV
together
X
X
Y
B-A
DRIVER
X
X
(Mbps)
DATA
RATE
0.115
0.115
0.46
0.46
N.A.
N.A.
0.46
N.A.
0.46
High-Z High-Z
High-Z High-Z
20
20
20
20
1/0
1/0
1/0
OUTPUTS
Y
High-Z High-Z
High-Z High-Z
November 21, 2007
0/1
0/1
0/1
R
Z
1
0
1
Shutdown
OUTPUT
A
RS-232
RS-232
RS-485
RS-485
RS-485
RS-485
RS-485
RS-485
RS-485
RS-485
RS-485
RS-485
MODE
High-Z
High-Z
High-Z
FN6202.3
DATA
RATE
Mbps
0.115
0.46
N.A.
N.A.
R
20
B
*