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MAX3280E/MAX3281E/
MAX3283E/MAX3284E
±15kV ESD-Protected 52Mbps, 3V to 5.5V,
SOT23 RS-485/RS-422 True Fail-Safe Receivers
General Description
Benefits and Features
● ESD Protection:
The MAX3280E/MAX3281E/MAX3283E/MAX3284E
are single receivers designed for RS-485 and RS-422
communication. These devices guarantee data rates
up to 52Mbps, even with a 3V power supply. Excellent
propagation delay (15ns max) and package-to-package
skew time (8ns max) make these devices ideal for
multidrop clock distribution applications.
±15kV Human Body Model
±6kV IEC 1000-4-2, Contact Discharge
±12kV IEC 1000-4-2, Air-Gap Discharge
● Guaranteed 52Mbps Data Rate
● Guaranteed 15ns Receiver Propagation Delay
● Guaranteed 2ns Receiver Skew
The MAX3280E/MAX3281E/MAX3283E/MAX3284E
have true fail-safe circuitry, which guarantees a logic-high
receiver output when the receiver inputs are opened
or shorted. The receiver output will be a logic high if
all transmitters on a terminated bus are disabled (high
impedance). These devices feature 1/4-unit-load receiver
input impedance, allowing up to 128 receivers on the
same bus.
● Guaranteed 8ns Package-to-Package Skew Time
● V Pin for Connection to FPGAs/ASICs
L
● Allow Up to 128 Transceivers on the Bus
(1/4-unit-load)
● Tiny SOT23 Package
● True Fail-Safe Receiver
The MAX3280E is a single receiver available in a 5-pin
SOT23 package. The MAX3281E/MAX3283E single
receivers have a receiver enable (EN or EN) function and
are offered in a 6-pin SOT23 package. The MAX3284E
features a voltage logic pin that allows compatibility with
low-voltage logic levels, as in digital FPGAs/ASICs. On
the MAX3284E, the voltage threshold for a logic high
● -7V to +12V Common-Mode Range
● 3V to 5.5V Power-Supply Range
● Enable (High and Low) Pins for Redundant Operation
● Three-State Output Stage (MAX3281E/MAX3283E)
● Thermal Protection Against Output Short Circuit
● AEC-Q100 (MAX3280EAUK/V+ Only)
is user-defined by setting V in the range from 1.65V to
L
V
. The MAX3284E is also offered in a 6-pin SOT23
CC
Ordering Information
package.
PIN-
TOP
PART
TEMP RANGE
PACKAGE MARK
Applications
● Clock Distribution
● Telecom Racks
● Base Stations
● Industrial Control
● Local Area Networks
● Automotive
MAX3280EAUK+T
-40°C to +125°C 5 SOT23
+ADVM
+AFME
+ABAT
+ABAU
+ABAV
MAX3280EAUK/V+T -40°C to +125°C 5 SOT23
MAX3281EAUT+T -40°C to +125°C 6 SOT23
MAX3283EAUT+T -40°C to +125°C 6 SOT23
MAX3284EAUT+T -40°C to +125°C 6 SOT23
+Denotes a lead(Pb)-free/RoHS-compliant package.
T = Tape and reel.
Pin Configurations appear at end of data sheet.
/V denotes an automotive qualified part.
Selector Guide
PART
VL
—
—
—
✔
ENABLE
DATA RATE
52Mbps
PACKAGE
5-Pin SOT23
MAX3280E
MAX3281E
MAX3283E
MAX3284E
—
Active High
Active Low
—
52Mbps
6-Pin SOT23
6-Pin SOT23
6-Pin SOT23
52Mbps
52Mbps (Note 1)
Note 1: MAX3284E data rate is dependent on V .
L
19-2320; Rev 7; 1/19
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