ISL32275E Datasheet PDF - Intersil Corporation
| Part Number | ISL32275E | |
| Description | (ISL32173E - ISL32277E) RS-485/RS-422 Receivers | |
| Manufacturers | Intersil Corporation | |
| Logo |  |
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There is a preview and ISL32275E download ( pdf file ) link at the bottom of this page. Total 22 Pages | ||
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QUAD, ±16.5kV ESD Protected, 3.0V to 5.5V,
RS-485/RS-422 Receivers
ISL32173E, ISL32175E, ISL32177E, ISL32273E, ISL32275E,
ISL32277E
These Intersil devices are ±16.5kV IEC61000-4-2 ESD
protected, 3.0V to 5.5V powered, QUAD receivers for
balanced communication using the RS-485 and RS-422
standards. Each receiver has low input currents
(±200μA), so it presents a 1/4 unit load to the RS-485
bus, and allows up to 128 receivers on the bus.
The ISL32173E, ISL32175E, ISL32177E are high data
rate receivers that operate at data rates up to 80Mbps.
Their 8ns maximum propagation delay skew (tolerance)
guarantees excellent part-to-part matching. The
ISL32273E, ISL32275E, ISL32277E are reduced supply
current versions that operate at data rates up to 20Mbps.
Receiver outputs are tri-statable, and incorporate a hot
plug feature to keep them disabled during power up and
down. Versions are available with a common EN/EN (‘173
pinout), a two channel EN12/EN34 (‘175 pinout), or a
versatile individual channel enable (see Table 1)
A 26% smaller footprint is available with the ISL32177E
and ISL32277E QFN packages, and these two devices
also feature a logic supply pin (VL). The VL supply sets
the switching points of the enable inputs, and the
receiver outputs’ VOH, to levels compatible with a lower
supply voltage in mixed voltage systems. Individual
channel and group enable pins increase the ISL32177E
and ISL32277E’s flexibility.
www.DataSheet4U.com
Features
• IEC61000 ESD Protection (RS-485 Inputs) ±16.5kV
- Class 3 ESD on all Other Pins . . . . . .>8kV HBM
• Wide Supply Range. . . . . . . . . . . . . 3.0V to 5.5V
• Wide Common Mode Range . . . . . . . -7V to +12V
• Low Part-to-Part Propagation Delay
Tolerance . . . . . . . . . . . . . . . . . . . ±4ns (max)
• Specified for +125°C Operation
• Fail-Safe Open Rx Inputs
• 1/4 Unit Load Allows 128 Devices on the Bus
• Available in Industry Standard Pinouts (‘173/’175)
and a 4x4 QFN (ISL32X77E) with Added Features
• Logic Supply Pin (VL) Eases Operation in Mixed
Supply Systems (ISL32X77E)
• High Data Rates . . . . . . . . . up to 80M or 20Mbps
• Low Shutdown Supply Current . . . . . . . . . . 60μA
• Tri-statable Rx Outputs
• 5V Tolerant Logic Inputs When VCC = 3.3V
Applications*(see page 19)
• Telecom Equipment
• Motor Controllers/Encoders
• Programmable Logic Controllers
• Industrial/Process Control Networks
ISL32177E Part-to-Part Prop
Delay Variability
VCC = 3.3V, +25°C
# of DEVICES = 270
ISL3217XE Data Rate and VL
Performance
1
0
A-B
-1
80Mbps
VCC = 3.3V
RECEIVER PROPAGATION DELAY (ns)
3.0
2.5
2.0
1.5
1.0
0.5
0
-0.5
VL = 2.5V
VL = 1.8V
VL = 1.6V
TIME (4ns/DIV)
November 19, 2009
FN7529.0
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2009. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
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ISL32173E, ISL32175E, ISL32177E, ISL32273E, ISL32275E, ISL32277E
Truth Tables (Continued)
RECEIVER ENABLE (ISL32175E, ISL32275E)
INPUTS
OUTPUTS
EN12
EN34
RO1
RO2
RO3
RO4
0 0 Z* Z* Z* Z*
0 1 Z Z EN EN
1
0
EN EN
Z
Z
1 1 EN EN EN EN
NOTE: *Low Power SHDN Mode When All Outputs Disabled;
Z = Tri-state
RECEIVER ENABLE (ISL32177E, ISL32277E)
INPUTS
OUTPUTS
ENX EN EN SHDNEN ROX
COMMENTS
0
XX
0
Z Chan X output disabled
EN1-4 = 0 X X 1 Z* All outputs disabled
X
01
0
Z All outputs disabled
X 0 1 1 Z* All outputs disabled
1 X 0 X EN Individual ENX controls
1 1 X X EN
chan
NOTE: * Low Power SHDN Mode; Z = Tri-state
Typical Operating Circuits (1 of 4 Channels Shown)
NETWORK USING GROUP ENABLES
+3.3V TO 5V
16
VCC
+
0.1μF
ISL32X73E
3 RO R
12 EN
A2
B1
RT
+
0.1μF
+3.3V TO 5V
≥1kΩ
16
VCC
2Y
3Z
ISL32X72E
DI 1
D
EN 4
GND EN
84
GND
8
EN 12
NETWORK USING PAIRED ENABLES
+3.3V TO 5V
www.DataSheet4U.com
16
VCC
+
0.1μF
ISL32X75E
3 RO1 R
4 EN12
A1 2
B1 1
RT
+3.3V TO 5V
+
0.1μF
16
VCC
ISL32X74E
EN12 4
2 Y1
3 Z1
D DI1 1
GND
8
GND
8
5 FN7529.0
November 19, 2009
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for ISL32275E electronic component. |
| Information | Total 22 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ ISL32275E.PDF Datasheet ] | |
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