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ISL3179EIBZ-T

Description
RS-422/RS-485 Interface IC 8LD 3V RS-485 TRANSC 1/2 DUPLX 32M
Categorysemiconductor    Analog mixed-signal IC   
File Size1MB,18 Pages
ManufacturerIntersil ( Renesas )
Websitehttp://www.intersil.com/cda/home/
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ISL3179EIBZ-T Overview

RS-422/RS-485 Interface IC 8LD 3V RS-485 TRANSC 1/2 DUPLX 32M

ISL3179EIBZ-T Parametric

Parameter NameAttribute value
Product CategoryRS-422/RS-485 Interface IC
ManufacturerIntersil ( Renesas )
RoHSDetails
FunctionTransceiver
Data Rate40 Mb/s
Number of Drivers1 Driver
Number of Receivers1 Receiver
Operating Supply Voltage3.3 V
Operating Supply Current4 mA
Minimum Operating Temperature- 40 C
Maximum Operating Temperature+ 85 C
Mounting StyleSMD/SMT
Package / CaseSOIC-8
PackagingReel
PackagingMouseReel
PackagingCut Tape
Height1.5 mm (Max)
Length5 mm (Max)
Moisture SensitiveYes
Output TypeDifferential
Factory Pack Quantity2500
Width4 mm (Max)
Unit Weight0.019048 oz
DATASHEET
ISL3179E, ISL3180E
High ESD Protected, +125°C, 40Mbps, 3.3V, Full Fail-Safe RS-485/RS-422
Transceivers
The
ISL3179E
and
ISL3180E
are high ESD protected (see
Table 2 on page 2),
3.3V powered, single transceivers that
meet both the RS-485 and RS-422 standards for balanced
communication. Each device has low bus currents
(+220µA/-150µA), so they present a “1/5 unit load” to the
RS-485 bus. This allows up to 160 transceivers on the network
without violating the RS-485 specification’s 32 unit load
maximum, and without using repeaters.
Receiver (Rx) inputs feature a “full fail-safe” design, which
ensures a logic high Rx output if Rx inputs are floating,
shorted, or terminated but undriven.
The ISL3180E is configured for full duplex applications. The
ISL3179E half duplex version multiplexes the Rx inputs and Tx
outputs to allow a transceiver with an output disable function
in 8 Ld packages.
Hot plug circuitry ensures that the Tx and Rx outputs remain in
a high impedance state while the power supply stabilizes.
FN6365
Rev. 6.00
Nov 9, 2017
Features
• High ESD protection on RS-485 I/O pins
- ISL3179E. . . . . . . . . . . . . . . . . . . . . . . . . ±16.5kV IEC61000
- ISL3180E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±12kV HBM
- Class 3 HBM level on all other pins (ISL3179E) . . . . . >9kV
• Specified for +125°C operation
• High data rates. . . . . . . . . . . . . . . . . . . . . . . . . . . up to 40Mbps
• 5V tolerant logic inputs
• 1/5 unit load allows up to 160 devices on the bus
• Full fail-safe (open, shorted, terminated/undriven) receiver
• Hot plug - Tx and Rx outputs remain three-state during
power-up
• Low quiescent current . . . . . . . . . . . . . . . . . . . . . . . 4mA (max)
• Low current shutdown mode . . . . . . . . . . . . . . . . . 1µA (max)
• -7V to +12V common-mode input voltage range
• Three-state Rx and Tx outputs
• 16/16.5ns (max) Tx/Rx propagation delays; 1.5ns (max) skew
• Operates from a single +3.3V supply (10% tolerance)
• Current limiting and thermal shutdown for driver overload
protection
• Pb-free (RoHS compliant)
TABLE 1. KEY DIFFERENCES BETWEEN HIGH-SPEED INTERFACE
FAMILY OF PARTS
PART
NUMBER
ISL3179E
ISL3180E
ISL3159E
ISL3259E
FULL/HALF
DUPLEX
Half
Full
Half
Half
VCC
(V)
3.3
3.3
5
5
VOD
(V)
1.5
1.5
2.1
2.1
DATA RATE
(Mbps)
40
40
40
100
Related Literature
• For a full list of related documents, visit our website
-
ISL3179E
and
ISL3180E
product pages
Applications
• Motor controller/position encoder systems
• Factory automation
• Field bus networks
• Security networks
• Building environmental control systems
• Industrial/process control networks
+3.3V
+
8
V
CC
1 RO
2 RE
3 DE
4 DI
D
GND
5
R
B/Z
A/Y
7
6
R
T
0.1µF
(SOIC AND MSOP PIN NUMBERS SHOWN)
0.1µF
+
+3.3V
8
V
CC
D
DI 4
DE 3
RE 2
R
GND
5
RO 1
R
T
7
6
B/Z
A/Y
FIGURE 1. TYPICAL OPERATING CIRCUIT - ISL3179E
FN6365 Rev. 6.00
Nov 9, 2017
Page 1 of 18

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Description RS-422/RS-485 Interface IC 8LD 3V RS-485 TRANSC 1/2 DUPLX 32M Ethernet ICs 10/100 Base-T Stand alone Ethernet Ctrlr RS-422/RS-485 Interface IC 8LD 3V RS-485 TRANSC 1/2 DUPLX 32 Analog to Digital Converters - ADC 12Bit 3MSPS SAR IC USB Interface IC USB HS to UART/FIFO SPI/JTAG/I2C LQFP-48 RS-422/RS-485 Interface IC RS485 IEC-61000 Aluminum Organic Polymer Capacitors 10volts 100uF 20% RS-422/RS-485 Interface IC IEC61000 ISL3179E 1/2 DUPLX 3V 32MBPS RS-422/RS-485 Interface IC IEC61000 ESD 14LD 3V RS-485 40MBPS FUL
Product Category RS-422/RS-485 Interface IC RS-422/RS-485 Interface IC RS-422/RS-485 Interface IC RS-422/RS-485 Interface IC RS-422/RS-485 Interface IC RS-422/RS-485 Interface IC RS-422/RS-485 Interface IC RS-422/RS-485 Interface IC RS-422/RS-485 Interface IC
Manufacturer Intersil ( Renesas ) Intersil ( Renesas ) Intersil ( Renesas ) Intersil ( Renesas ) Intersil ( Renesas ) Intersil ( Renesas ) Intersil ( Renesas ) Intersil ( Renesas ) Intersil ( Renesas )
RoHS Details Details Details Details Details Details Details Details Details
Mounting Style SMD/SMT SMD/SMT SMD/SMT SMD/SMT SMD/SMT SMD/SMT SMD/SMT SMD/SMT SMD/SMT
Package / Case SOIC-8 SOIC-8 Narrow SOIC-8 SOIC-8 MSOP-8 DFN-EP-10 SOIC-8 DFN-EP-10 SOIC-Narrow-14
Height 1.5 mm (Max) 1.5 mm (Max) 1.5 mm (Max) 1.5 mm (Max) 0.95 mm (Max) 0.9 mm 1.5 mm (Max) 0.9 mm (Max) 1.5 mm (Max)
Length 5 mm (Max) 5 mm (Max) 5 mm (Max) 5 mm (Max) 3.05 mm (Max) 3 mm 5 mm (Max) 3 mm 5 mm (Max)
Factory Pack Quantity 2500 250 2500 98 98 250 98 6000 2500
Width 4 mm (Max) 4 mm (Max) 4 mm (Max) 4 mm (Max) 3.05 mm (Max) 3 mm 4 mm (Max) 3 mm 4 mm (Max)
Function Transceiver Transceiver Transceiver Transceiver Transceiver - Transceiver Transceiver Transceiver
Data Rate 40 Mb/s 40 Mb/s 40 Mb/s 40 Mb/s 40 Mb/s - 40 Mb/s 40 Mb/s 40 Mb/s
Number of Drivers 1 Driver 1 Driver 1 Driver 1 Driver 1 Driver - 1 Driver 1 Driver 1 Driver
Number of Receivers 1 Receiver 1 Receiver 1 Receiver 1 Receiver 1 Receiver - 1 Receiver 1 Receiver 1 Receiver
Operating Supply Voltage 3.3 V 3.3 V 3.3 V 3 V to 3.6 V 3.3 V - 3.3 V 3.3 V 3.3 V
Operating Supply Current 4 mA 4 mA 4 mA 4 mA 4 mA - 2.6 mA 4 mA 4 mA
Minimum Operating Temperature - 40 C - 40 C - 40 C - 40 C - 40 C - - 40 C - 40 C - 40 C
Maximum Operating Temperature + 85 C + 85 C + 125 C + 125 C + 125 C - + 85 C + 85 C + 85 C
Packaging Cut Tape Reel Reel Tube Tube Reel Tube Reel Cut Tape
Output Type Differential Differential Differential - Differential - - Differential Differential
Unit Weight 0.019048 oz 0.005044 oz 0.019048 oz 0.019048 oz 0.004938 oz - 0.019048 oz - -
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