19-2384; Rev 0; 4/02
Differential PECL/ECL/LVPECL/LVECL
Receiver/Driver
General Description
The MAX9321B low-skew differential receiver/driver is
designed for clock and data distribution. The differen-
tial input can be adapted to accept a single-ended
input by connecting the on-chip V
BB
supply to an input
as a reference voltage.
The MAX9321B features ultra-low propagation delay
(172ps) and part-to-part skew (20ps) with 24mA maxi-
mum supply current, making this device ideal for clock
buffering or repeating. For interfacing to differential PECL
and LVPECL signals, these devices operate over a +3.0V
to +5.5V supply range, allowing high-performance clock
and data distribution in systems with a nominal 3.3V or
5.0V supply. For differential ECL and LVECL operation,
this device operates from a -3.0V to -5.5V supply.
The MAX9321B is offered in industry-standard 8-pin SO
and TSSOP packages.
Features
o
Improved Second Source of the MC10EP16D
o
+3.0V to +5.5V Differential PECL/LVPECL
Operation
o
-3.0V to -5.5V Differential ECL/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
MAX9321B
Applications
Precision Clock Buffer
Low-Jitter Data Repeater
PART
MAX9321BESA
MAX9321BEUA*
Ordering Information
TEMP RANGE
-40掳C to +85掳C
-40掳C to +85掳C
PIN-PACKAGE
8 SO
8 TSSOP
*Future
product鈥攃ontact factory for availability.
Pin Configuration
D
V
IH
D
V
IL
V
BB
(CONNECTED TO D)
V
CC
N.C. 1
80k鈩?/div>
D 2
50k鈩?/div>
60k鈩?/div>
D 3
100k鈩?/div>
V
BB
4
5 V
EE
6 Q
7 Q
MAX9321B
8 V
CC
Q
V
OH
- V
OL
Q
V
OH
V
OL
TSSOP/SO
Figure 1. Switching with Single-Ended Inputs
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim鈥檚 website at www.maxim-ic.com.
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