ISL3159EFBZ-T7A Intersil, ISL3159EFBZ-T7A Datasheet - Page 3

• Manufacturer Part Number: ISL3159EFBZ-T7A
• Description: RS-422/RS-485 Interface IC 8LD -40+125C 3V RS-4 85 TRANS 1/2 DUP 40
• Manufacturer: Intersil

Specifications of ISL3159EFBZ-T7A

• Product Category: RS-422/RS-485 Interface IC
• Rohs: yes
• Data Rate: 40 Mbps
• Operating Supply Voltage: 5 V
• Supply Current: 4 mA
• Operating Temperature Range: - 40 C to + 125 C
• Mounting Style: SMD/SMT
• Package / Case: SOIC-8
• Function: Transceiver
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Shutdown: Yes

Pin Descriptions
Typical Operating Circuit
GND
V
PIN
A/Y
B/Z
RO
RE
DE
NC
DI
CC
Receiver output: If A-B ≥ -50mV, RO is high; If A-B ≤ -200mV, RO is low; RO = High if A and B are unconnected (floating) or shorted, or
connected to a terminated bus that is undriven.
Receiver output enable. RO is enabled when RE is low; RO is high impedance when RE is high. If the Rx enable function isn’t
required, connect RE directly to GND.
Driver output enable. The driver outputs, Y and Z, are enabled by bringing DE high. They are high impedance when DE is low. If the
Tx enable function isn’t required, connect DE to V
Driver input. A low on DI forces output Y low and output Z high. Similarly, a high on DI forces output Y high and output Z low.
Ground connection. This is also the potential of the DFN thermal pad.
±15kV
DE = 0; pin is an output (Y) if DE = 1.
±15kV
pin is an output (Z) if DE = 1.
System power supply input (4.5V to 5.5V).
No Connection.
1
2
3
4
IEC61000
IEC61000
RO
RE
DE
DI
D
R
+5V
8
GND
ESD Protected RS-485/422 level, inverting receiver input and inverting driver output. Pin is an input (B) if DE = 0;
ESD Protected RS-485/422 level, noninverting receiver input and noninverting driver output. Pin is an input (A) if
V
3
CC
5
B/Z
A/Y
7
6
+
0.1μF
R
T
SOIC AND MSOP PIN NUMBERS SHOWN
CC
ISL3159E
through a 1kΩ or greater resistor.
ISL3159E
FUNCTION
R
0.1μF
T
+
7
6
A/Y
B/Z
GND
V
+5V
CC
5
8
R
D
DE
RO
RE
DI
4
3
2
1
July 26, 2007
FN6364.0