MAX9129EUE+ Maxim Integrated Products, MAX9129EUE+ Datasheet

IC DRVR QUAD LVDS 16-TSSOP

MAX9129EUE+

Manufacturer Part Number
MAX9129EUE+
Description
IC DRVR QUAD LVDS 16-TSSOP
Manufacturer
Maxim Integrated Products
Type
Driverr
Datasheet
1.MAX9129EUE.pdf (13 pages)

Specifications of MAX9129EUE+

Number Of Drivers/receivers
4/0
Protocol
LVDS
Voltage - Supply
3 V ~ 3.6 V
Mounting Type
Surface Mount
Package / Case
16-TSSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
The MAX9129 is a quad bus low-voltage differential sig-
naling (BLVDS) driver with flow-through pinout. This
device is designed to drive a heavily loaded multipoint
bus with controlled transition times (1ns 0% to 100%
minimum) for reduced reflections. The MAX9129
accepts four LVTTL/LVCMOS input levels and trans-
lates them to output levels of 250mV to 450mV (stan-
dard LVDS levels) into a 27Ω load at speeds up to
200Mbps (100MHz).
The power-on reset ensures that all four outputs are
disabled and high impedance during power up and
power down. The outputs can be set to high imped-
ance by two enable inputs, EN and EN, thus dropping
the device to a low-power state of 11mW. The enables
are common to all four drivers. The flow-through pinout
simplifies PC board layout and reduces crosstalk by
keeping the LVTTL/LVCMOS inputs and BLVDS outputs
separated.
The MAX9129 operates from a single +3.3V supply and
is specified for operation from -40°C to +85°C. It is
available in 16-pin QFN and TSSOP packages. Refer to
the MAX9121 data sheet for a quad LVDS line receiver
with flow-through pinout.
19-2100; Rev 0; 8/01
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.
Cell Phone Base Stations
Add/Drop Muxes
Digital Cross-Connects
DSLAMs
Network Switches/Routers
Backplane Interconnect
Clock Distribution
R
t
MAX9129
CARD 1A
________________________________________________________________ Maxim Integrated Products
R
MAX9121
t
General Description
BUS A
BUS B
Applications
MAX9129
MULTIPOINT FULL-DUPLEX TRANSMIT AND RECEIVE BUS
CARD 10A
MAX9121
Quad Bus LVDS Driver with
o Drive LVDS Levels into a 27Ω Load
o 1ns (0% to 100%) Minimum Transition Time
o Guaranteed 200Mbps (100MHz) Data Rate
o Enable Pins for High-Impedance Output
o High-Impedance Outputs when Powered Off
o Glitch-Free Power-Up and Power-Down
o Hot Swappable
o Flow-Through Pinout
o Available in Tiny QFN Package (50% Smaller
o Single +3.3V Supply
Functional Diagram appears at end of data sheet.
Pin Configurations appear at end of data sheet.
MAX9129EGE
MAX9129EUE
MAX9129
Reduces Reflections
than TSSOP)
Flow-Through Pinout
PART
CARD 1B
Typical Applications Circuit
MAX9121
TEMP. RANGE
-40°C to +85°C
-40°C to +85°C
Ordering Information
MAX9129
CARD 2B
R
t
R
t
MAX9121
= TERMINATION
RESISTOR
16 QFN
16 TSSOP
PIN-PACKAGE
Features
R
t
1

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MAX9129EUE+ Summary of contents

Page 1

... BUS BUS ________________________________________________________________ Maxim Integrated Products 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. Quad Bus LVDS Driver with Flow-Through Pinout o Drive LVDS Levels into a 27Ω Load o 1ns (0% to 100%) Minimum Transition Time ...

Page 2

Quad Bus LVDS Driver with Flow-Through Pinout ABSOLUTE MAXIMUM RATINGS V to GND ...........................................................-0.3V to +4.0V CC IN_, EN GND....................................-0. OUT_+, OUT_- to GND..........................................-0.3V to +4.0V Short-Circuit Duration (OUT_+, OUT_-) .....................Continuous Continuous Power Dissipation (T = ...

Page 3

AC ELECTRICAL CHARACTERISTICS (V = +3.0V to +3.6V 27Ω ±1 are +3.3V +25°C.) (Notes PARAMETER SYMBOL Differential Propagation Delay High to Low Differential Propagation Delay ...

Page 4

Quad Bus LVDS Driver with Flow-Through Pinout (MAX9129EUE (TSSOP package +3.3V OUTPUT HIGH VOLTAGE vs. SUPPLY VOLTAGE 1.48 1.47 1.46 1.45 1.44 3.0 3.3 3.6 SUPPLY VOLTAGE (V) OUTPUT HIGH-IMPEDANCE CURRENT vs. SUPPLY VOLTAGE 430 V ...

Page 5

V CC SUPPLY CURRENT vs. TEMPERATURE -40 - TEMPERATURE (°C) DIFFERENTIAL SKEW vs. SUPPLY VOLTAGE 3.0 3.3 SUPPLY VOLTAGE (V) ...

Page 6

Quad Bus LVDS Driver with Flow-Through Pinout PIN NAME QFN TSSOP IN_ GND 10, 11 12, 13, ...

Page 7

V CC IN_ GND EN GENERATOR EN 50Ω 1/4 MAX9129 Figure 4. Driver High-Impedance Delay Test Circuit EN WHEN OPEN EN WHEN OUT_+ WHEN IN_ = V CC OUT_- WHEN IN_ = ...

Page 8

Quad Bus LVDS Driver with Flow-Through Pinout The reduction in characteristic impedance is approxi- mated by the following formula ✕ SQRT [C DIFF-loaded DIFF-unloaded C / L)] L where unloaded differential characteristic im- DIFF-unloaded pedance ...

Page 9

EN IN1 IN2 V CC GND IN3 IN4 EN Figure 6. Suggested Layout for QFN Package Chip Information TRANSISTOR COUNT: 948 PROCESS: CMOS _______________________________________________________________________________________ Quad Bus LVDS Driver with Flow-Through Pinout OUT1- OUT1+ GND OUT2+ OUT2- OUT3- OUT3+ OUT4+ OUT4- ...

Page 10

Quad Bus LVDS Driver with Flow-Through Pinout TOP VIEW EN 1 IN1 2 IN2 GND 5 IN3 6 IN4 Functional Diagram IN1 IN2 IN3 IN4 EN MAX9129 EN 10 ______________________________________________________________________________________ 16 OUT1- GND ...

Page 11

Quad Bus LVDS Driver with ______________________________________________________________________________________ Flow-Through Pinout Package Information 11 ...

Page 12

Quad Bus LVDS Driver with Flow-Through Pinout 12 ______________________________________________________________________________________ Package Information (continued) ...

Page 13

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 13 © 2001 Maxim Integrated Products ...

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