max9178eue-t Maxim Integrated Products, Inc., max9178eue-t Datasheet

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max9178eue-t

Manufacturer Part Number
max9178eue-t
Description
Max9178 Quad Lvds Line Driver With High-esd Tolerance And Flow-through Pinout
Manufacturer
Maxim Integrated Products, Inc.
Datasheet
The MAX9178 quad low-voltage differential signaling
(LVDS) line driver with high-ESD tolerance is ideal for
applications requiring high data rates and low power
with reduced noise. The MAX9178 is guaranteed to
transmit data at speeds up to 400Mbps (200MHz) over
controlled impedance of media of approximately 100Ω.
The transmission media can be printed circuit (PC)
board traces, backplanes, or cables.
The MAX9178 accepts four LVTTL/LVCMOS inputs and
translates them to LVDS output signals. All inputs toler-
ate overshoot of V
EN and EN inputs are ANDed together and control the
high-impedance outputs. When the device is disabled,
power drops to ultra-low 12.6mW (typ). Outputs con-
form to the ANSI TIA/EIA-644 LVDS standard.
The MAX9178 operates from a single +3.3V supply,
and is available in a 16-pin TSSOP and 16-pin thin QFN
package with exposed pad. The MAX9178 is specified
for operation from -40°C to +85°C.
19-2856; Rev 0; 4/03
Functional Diagram appears at end of data sheet.
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
GND
TOP VIEW
V
IN1
IN2
IN3
IN4
EN
EN
CC
Digital Copiers
Laser Printers
Cell Phone Base
Stations
Add/Drop Muxes
Digital Cross-Connects
1
2
6
3
4
5
7
8
MAX9178
TSSOP
16
15
14
13
12
11
10
9
________________________________________________________________ Maxim Integrated Products
CC
OUT1-
OUT1+
OUT2+
OUT2-
OUT3-
OUT3+
OUT4+
OUT4-
+1V and undershoot of -1V. The
General Description
GND
V
IN2
IN3
Quad LVDS Line Driver with High-ESD
CC
Pin Configurations
1
2
3
4
Tolerance and Flow-Through Pinout
DSLAMs
Network
Switches/Routers
Backplane
Interconnect
Clock Distribution
16
5
EXPOSED PAD
Applications
MAX9178
15
6
QFN
14
7
13
8
12
11
10
9
OUT2+
OUT2-
OUT3-
OUT3+
o Flow-Through Pinout
o Pin Compatible with DS90LV047A and MAX9123
o Guaranteed 400Mbps Data Rate
o Single-Ended Inputs Tolerate 1V
o 250ps Maximum Pulse Skew
o IEC 61000-4-2 Level 4 ESD Tolerance on LVDS
o Conforms to ANSI TIA/EIA-644 LVDS Standard
o Single +3.3V Supply
*EP = Exposed pad.
MAX9178EUE
MAX9178ETE
LVTTL/CMOS
DATA INPUT
Overshoot/Undershoot
Outputs
Simplifies PC Board Layout
Reduces Crosstalk
PART
100Ω SHIELDED TWISTED CABLE OR MICROSTRIP PC BOARD TRACES
MAX9178
Typical Application Circuit
T
T
T
T
X
X
X
X
-40°C to +85°C
-40°C to +85°C
TEMP RANGE
LVDS SIGNALS
Ordering Information
107Ω
107Ω
107Ω
107Ω
MAX9122
R
R
R
R
X
X
X
X
PIN-PACKAGE
16 TSSOP
16 Thin QFN-EP*
Features
LVTTL/CMOS
DATA OUTPUT
1

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max9178eue-t Summary of contents

Page 1

... Pin Compatible with DS90LV047A and MAX9123 o Guaranteed 400Mbps Data Rate o Single-Ended Inputs Tolerate 1V Overshoot/Undershoot o 250ps Maximum Pulse Skew o IEC 61000-4-2 Level 4 ESD Tolerance on LVDS Outputs o Conforms to ANSI TIA/EIA-644 LVDS Standard o Single +3.3V Supply PART Applications MAX9178EUE MAX9178ETE *EP = Exposed pad. LVTTL/CMOS DATA INPUT OUT2+ 12 OUT2- ...

Page 2

Quad LVDS Line Driver with High-ESD Tolerance and Flow-Through Pinout ABSOLUTE MAXIMUM RATINGS V to GND ...........................................................-0.3V to +4.0V CC IN_, EN GND....................................-1. OUT_ to GND ........................................................-0.3V to +4.0V Short-Circuit Duration (OUT_) ....................................Continuous Continuous Power Dissipation ...

Page 3

Quad LVDS Line Driver with High-ESD Tolerance and Flow-Through Pinout DC ELECTRICAL CHARACTERISTICS (continued) = 100Ω ±1%, IN_ = high or low high low +3.0V to +3.6V +3.3V ...

Page 4

Quad LVDS Line Driver with High-ESD Tolerance and Flow-Through Pinout SWITCHING CHARACTERISTICS (continued +3.0V to +3.6V 100Ω ±1 otherwise noted.) (Notes 4–7) Note 7: Pulse generator output for t PHZ R = 50Ω, ...

Page 5

Quad LVDS Line Driver with High-ESD Tolerance and Flow-Through Pinout (V = +3.3V 100Ω 15pF DIFFERENTIAL OUTPUT VOLTAGE vs. LOAD RESISTOR 600 500 400 300 200 100 ...

Page 6

Quad LVDS Line Driver with High-ESD Tolerance and Flow-Through Pinout (V = +3.3V 100Ω 15pF TRANSITION TIME vs. SUPPLY VOLTAGE 550 FREQUENCY = 200MHz 500 450 400 350 300 3.0 3.1 ...

Page 7

Quad LVDS Line Driver with High-ESD Tolerance and Flow-Through Pinout IN_ - Figure 1. Driver V and V Test Circuit OD OS IN_ OUT_- OUT_+ V DIFF Figure 3. Transition ...

Page 8

Quad LVDS Line Driver with High-ESD Tolerance and Flow-Through Pinout EN WHEN EN = LOW OR OPEN OUT_+ WHEN IN_ = OUT_- WHEN IN_ = -1V TO 0.8V OUT_+ WHEN IN_ = -1V TO 0.8V OUT_- WHEN ...

Page 9

Quad LVDS Line Driver with High-ESD Tolerance and Flow-Through Pinout Detailed Description The LVDS interface standard is a signaling method intended for point-to-point communication over a con- trolled-impedance medium as defined by the ANSI/TIA/EIA-644 and IEEE 1596.3 standards. The LVDS ...

Page 10

Quad LVDS Line Driver with High-ESD Tolerance and Flow-Through Pinout Maintain the distance between the differential traces to avoid discontinuities in differential impedance. Minimize the number of vias to further prevent imped- ance discontinuities. Cables and Connectors Transmission media should ...

Page 11

Quad LVDS Line Driver with High-ESD Tolerance and Flow-Through Pinout Functional Diagram OUT1+ IN1 OUT1- OUT2+ IN2 OUT2- OUT3+ IN3 OUT3- OUT4+ IN4 OUT4 ______________________________________________________________________________________ Chip Information TRANSISTOR COUNT: 1089 PROCESS: CMOS 11 ...

Page 12

Quad LVDS Line Driver with High-ESD Tolerance and Flow-Through Pinout (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information go to www.maxim-ic.com/packages.) 12 ______________________________________________________________________________________ Package Information PACKAGE OUTLINE 12,16,20,24L ...

Page 13

Quad LVDS Line Driver with High-ESD Tolerance and Flow-Through Pinout (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information go to www.maxim-ic.com/packages.) ______________________________________________________________________________________ Package Information (continued) PACKAGE OUTLINE 12,16,20,24L ...

Page 14

Quad LVDS Line Driver with High-ESD Tolerance and Flow-Through Pinout (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information go to www.maxim-ic.com/packages.) Maxim cannot assume responsibility for use of ...

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