isl3330 Intersil Corporation, isl3330 Datasheet - Page 3

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

NOTES:
ISL3330 Truth Tables
1. Charge pumps are on if in RS-232 mode and ON or DEN or RXEN are high.
2. Loopback is enabled when ON = 0, and DEN = RXEN = 1.
485/232
485/232
485/232
X
0
0
0
0
0
0
0
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
ON
INPUTS (ON = 1)
INPUTS (ON = 1)
RXEN
X
X
1
1
1
1
0
0
0
0
1
1
0
DEN
1
1
1
1
0
1
1
1
1
1
0
INPUTS
RS-232 TRANSMITTING MODE
RXEN DEN SLEW
RS-232 RECEIVING MODE
0
0
1
1
0
1
1
0
0
0
1
1
1
Open
D
A
X
X
0
0
1
1
0
0
1
1
Y
0
1
0
1
1
0
1
0
0
1
0
1
1
3
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Open
1/0
1/0
1/0
X
X
X
D
B
X
0
1
0
1
X
0
1
0
1
Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
ON
ON
ON
ON
ON
ON
R
High-Z
High-Z
A
RECEIVER
OUTPUTS
R
Y
1
1
0
0
1
1
0
0
1
A
OUTPUTS
OUTPUT
TABLE 2. ISL3330 FUNCTION TABLE
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
ON
ON
ON
ON
High-Z
R
High-Z
ISL3330, ISL3331
B
R
1
0
1
0
1
Z
1
0
1
0
B
DRIVER OUTPUTS
High-Z
High-Z
High-Z
High-Z
High-Z
ON
ON
ON
ON
ON
ON
ON
ON
Y
485/232
485/232
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
High-Z
ON
ON
ON
ON
ON
ON
1
1
1
1
1
1
1
1
1
Z
INPUTS (ON = 1)
DEN
RXEN
1
1
1
1
0
DRIVER
INPUTS (ON = 1)
1
1
1
0
SPEED
(Mbps)
20/0.46
20/0.46
20/0.46
0.46
0.46
0.46
0.46
0.46
RS-485 TRANSMITTING MODE
-
-
-
-
-
RS-485 RECEIVING MODE
D
Open or Shorted together
X
0
1
0
1
Y
SLEW
CHARGE
(Note 1)
PUMPS
≤ -200mV
X
1
1
0
0
≥ -40mV
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
ON
ON
ON
ON
B-A
X
High-Z High-Z
Y
1
0
1
0
LOOPBACK
(Note 2)
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
OUTPUTS
Z
0
1
0
1
High-Z
R
1
0
1
A
DATA RATE
OUTPUT
(Mbps)
Shutdown
0.46
0.46
May 20, 2008
RS-232
RS-232
RS-232
RS-232
RS-232
RS-232
RS-232
RS-485
RS-485
RS-485
RS-485
RS-485
MODE
20
20
-
High-Z
High-Z
High-Z
High-Z
FN6361.0
R
B