isl3330 Intersil Corporation, isl3330 Datasheet - Page 4

• Manufacturer Part Number: isl3330
• Description: 3.3v, ?15kv Esd Protected, Dual Protocol Rs-232/rs-485 Transceivers
• Manufacturer: Intersil Corporation

NOTES:
ISL3331 Truth Tables
3. Charge pumps are on if in RS-232 mode and ON or DEN or RXEN is high, or RXEN is low.
4. Loopback is enabled when ON = 0, and DEN = 1, and (RXEN = 1 or RXEN = 0).
485/232 RXEN and/or RXEN
485/232
485/232
0
0
0
0
0
0
0
0
0
0
0
0
0
X
1
1
1
1
1
1
1
1
0
0
0
0
0
INPUTS (ON = 1)
DEN
ON
1
1
1
1
0
0
0
0
1
X
X
X
1
1
0
0
1
1
1
1
0
INPUTS (ON = 1)
RS-232 TRANSMITTING MODE
1 and 0
0 or 1
0 or 1
0 or 1
0 or 1
0 or 1
RS-232 RECEIVING MODE
AND/OR
1 and 0
1 and 0
1 and 0
1 and 0
1 and 0
1 and 0
1 and 0
RXEN
RXEN
0 or 1
0 or 1
0 or 1
0 or 1
0 or 1
0 or 1
0 or 1
0 or 1
0 or 1
D
INPUTS
X
0
0
1
1
Y
4
Open
DEN
A
0
0
1
1
X
0
1
0
1
1
0
1
0
0
1
1
0
1
1
1
1
D
X
0
1
0
1
Z
Open
SLEW
N/A
N/A
N/A
N/A
N/A
N/A
N/A
B
X
0
1
0
1
X
X
X
0
1
0
1
0
1
High-Z
Y
1
1
0
0
OUTPUTS
High-Z High-Z
TABLE 3. ISL3331 FUNCTION TABLE
R
OUTPUT
1
1
0
0
1
SPB
A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
1/0
1/0
1/0
X
X
X
X
X
X
High-Z
ISL3330, ISL3331
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
ON
ON
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
High-Z
High-Z
High-Z
High-Z
ON
ON
ON
ON
R
B
485/232 RXEN and/or RXEN
485/232
1
1
1
1
1
1
1
1
High-Z
High-Z
High-Z
High-Z
High-Z
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
OUTPUTS
Y
DRIVER
INPUTS (ON = 1)
DEN SLEW
1
1
1
0
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
INPUTS (ON = 1)
ON
ON
ON
ON
ON
ON
ON
ON
ON
RS-485 TRANSMITTING MODE
1 and 0
Z
0 or 1
0 or 1
0 or 1
RS-485 RECEIVING MODE
0
0
1
X
0.46/0.115
0.46/0.115
0.46/0.115
DRIVER
(Mbps)
DATA
RATE
0.46
0.46
0.46
0.46
0.46
SPB
20
20
20
-
-
-
-
-
X
X
0
1
Open or Shorted
D
0/1
0/1
0/1
≤ -200mV
X
≥ -40mV
together
CHARGE
Y
(Note 3)
PUMPS
B-A
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
X
ON
ON
ON
ON
ON
ON
ON
High-Z High-Z
1/0
1/0
1/0
OUTPUTS
Y
RS-232 (Note 4)
RS-485 (Note 4)
RS-485 (Note 4)
High-Z High-Z
0/1
0/1
0/1
Shutdown
R
Z
RS-232
RS-232
RS-232
RS-232
RS-232
RS-232
RS-485
RS-485
RS-485
RS-485
RS-485
RS-485
1
0
1
OUTPUT
MODE
A
May 20, 2008
High-Z
High-Z
High-Z
DATA
FN6361.0
Mbps
0.460
0.115
R
20
-
B