MAX9321EKA-T Maxim Integrated, MAX9321EKA-T Datasheet

MAX9321EKA-T

Manufacturer Part Number

MAX9321EKA-T

Description

Bus Transceivers

Manufacturer

Maxim Integrated

Datasheet

1.MAX9321EKA-T.pdf (9 pages)

Specifications of MAX9321EKA-T

Supply Voltage - Max

+/- 3.8 V

Supply Voltage - Min

+/- 2.25 V

Maximum Operating Temperature

+ 85 C

Package / Case

SOT-23

Function

Line Transmitter / Receiver

Minimum Operating Temperature

- 40 C

Mounting Style

SMD/SMT

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The MAX9321/MAX9321A are low-skew differential

receiver/drivers designed for clock and data distribu-

tion. The differential input can be adapted to accept a

single-ended input by connecting the on-chip V

ply to an input as a reference voltage.

The MAX9321/MAX9321A feature ultra-low propagation

delay (172ps) and part-to-part skew (20ps) with 24mA

maximum supply current, making these devices ideal

for clock buffering or repeating. For interfacing to differ-

ential HSTL and LVPECL signals, these devices oper-

ate over a +2.25V to +3.8V supply range, allowing

high-performance clock and data distribution in sys-

tems with a nominal +2.5V or +3.3V supply. For differ-

ential LVECL operation, these devices operate from a

-2.25V to -3.8V supply. Multiple pinouts are provided to

simplify routing across a backplane to either side of a

double-sided board.

Both devices are offered in space-saving 8-pin SOT23,

SO, and µMAX packages.

19-2152; Rev 2; 11/02

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.

Pin Configurations continued at end of data sheet.

Precision Clock Buffers

Low-Jitter Data Repeaters

________________________________________________________________ Maxim Integrated Products

General Description

100kΩ

60kΩ

MAX9321

SOT23

100kΩ

Applications

Differential LVPECL/LVECL/HSTL

7 Q

5 V

N.C.

sup-

o Improved Second Source of the MC10LVEP16

o +2.25V to +3.8V Differential HSTL/LVPECL

o -2.25V to -3.8V Differential LVECL Operation

o Low 17mA Supply Current

o 20ps Part-to-Part Skew

o 172ps Propagation Delay

o Minimum 300mV Output at 3GHz

o Output Low for Open Input

o ESD Protection >2kV (Human Body Model)

o On-Chip Reference for Single-Ended Input

o Available in Thermally Enhanced Exposed-Pad

**EP = Exposed pad.

MAX9321EKA-T

MAX9321EUA*

MAX9321ESA

M A X9 3 2 1 A E KA- T -40°C to +85°C

MAX9321AEUA*

MAX9321AESA

*Future product—contact factory for availability.

(MAX9321)

Operation

SO Package

N.C. 1

PART

100kΩ

µMAX/SO

Receiver/Drivers

MAX9321

60kΩ

100kΩ

-40°C to +85°C

RANGE

TEMP

Ordering Information

Pin Configurations

7 Q

5 V

PIN-

PACKAGE

8 SOT23-8

8 µMAX

8 SO

8 SOT23-8

8 µMAX

8 SO-EP**

Features

MARK

AALK

AAIX

TOP

—

Related parts for MAX9321EKA-T

MAX9321EKA-T Summary of contents

Page 1

... Output Low for Open Input o ESD Protection >2kV (Human Body Model) o On-Chip Reference for Single-Ended Input o Available in Thermally Enhanced Exposed-Pad SO Package Applications PART MAX9321EKA-T MAX9321EUA* MAX9321ESA KA- T -40°C to +85°C MAX9321AEUA* MAX9321AESA *Future product—contact factory for availability. ...

Page 2

Differential LVPECL/LVECL/HSTL Receiver/Drivers ABSOLUTE MAXIMUM RATINGS ..........................................................................+4. .................................................. .................................................................................±3.0V Continuous Output Current .................................................50mA Surge Output Current........................................................100mA V Sink/Source Current .................................................±0.6mA BB Junction-to-Ambient Thermal Resistance in Still Air ...

Page 3

DC ELECTRICAL CHARACTERISTICS (continued +2.25V to +3.8V, outputs loaded with 50Ω ± 1.5V, unless otherwise noted.) (Notes 1–5) ILD CC PARAMETER SYMBOL CONDITIONS DIFFERENTIAL OUTPUT (Q, Q) Single-Ended ...

Page 4

Differential LVPECL/LVECL/HSTL Receiver/Drivers AC ELECTRICAL CHARACTERISTICS (continued +2.25V to +3.8V, outputs loaded with 50Ω ± (20% to 80%), 1. IHD EE CC values are at V ...

Page 5

input transition time = 125ps (20% to 80%), 1.5GHz, outputs loaded with 50Ω SUPPLY CURRENT, I vs. TEMPERATURE ...

Page 6

Differential LVPECL/LVECL/HSTL Receiver/Drivers PIN NAME µMAX/SO SOT23 PIN NAME µMAX/SO SOT23 1 6 ...

Page 7

Figure 1. Switching with Single-Ended Input (Q) - (Q) Figure 2. Differential Transition Time and Propagation Delay Timing Diagram Detailed Description The MAX9321/MAX9321A are low-skew differential receiver/drivers designed for clock and data ...

Page 8

Differential LVPECL/LVECL/HSTL Receiver/Drivers When using the V reference output, bypass it with a BB 0.01µF ceramic capacitor the not used, it can be left open. The V source or sink 0.5mA. Use V ...

Page 9

... 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 ______________________9 © 2002 Maxim Integrated Products ...

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