19-2223; Rev 1; 1/02
Quad Differential LVECL/LVPECL
Buffer/Receivers
General Description
The MAX9400/MAX9402/MAX9403/MAX9405 are
extremely fast, low-skew quad LVECL/ECL or LVPECL/
PECL buffer/receivers designed for high-speed data
and clock driver applications. These devices feature an
ultra-low propagation delay of 335ps and channel-to-
channel skew of 16ps in asynchronous mode with
86mA supply current.
The four channels can be operated synchronously with
an external clock, or in asynchronous mode determined
by the state of the SEL input. An enable input provides
the ability to force all the outputs to a differential low
state.
A variety of input and output terminations are offered for
maximum design flexibility. The MAX9400 has open
inputs and open emitter outputs. The MAX9402 has
open inputs and 50鈩?series outputs. The MAX9403 has
100鈩?differential input impedance and open emitter
outputs. The MAX9405 has 100鈩?differential input
impedance and 50鈩?series outputs.
These devices operate with a supply voltage of (V
CC
-
V
EE
) = 2.375V to 5.5V, and are specified for operation
from -40擄C to +85擄C. These devices are offered in
space-saving 32-pin 5mm
鉁?/div>
5mm TQFP and 32-lead
5mm
鉁?/div>
5mm QFN packages.
Features
o
400mV Differential Output at 3.0GHz Data Rate
o
335ps Propagation Delay in Asynchronous Mode
o
8ps Channel-to-Channel Skew in Synchronous
Mode
o
Integrated 50鈩?Outputs (MAX9402/MAX9405)
o
Integrated 100鈩?Inputs (MAX9403/MAX9405)
o
Synchronous/Asynchronous Operation
MAX9400/MAX9402/MAX9403/MAX9405
Ordering Information
PART
TEMP
RANGE
PIN-
DATA
OUTPUT
PACKAGE INPUT
Open
Open
Open
Open
100鈩?/div>
100鈩?/div>
100鈩?/div>
100鈩?/div>
Open
Open
50鈩?/div>
50鈩?/div>
Open
Open
50鈩?/div>
50鈩?/div>
MAX9400EHJ
-40擄C to +85擄C 32 TQFP
MAX9400EGJ* -40擄C to +85擄C 32 QFN
MAX9402EHJ
-40擄C to +85擄C 32 TQFP
MAX9402EGJ* -40擄C to +85擄C 32 QFN
MAX9403EHJ
-40擄C to +85擄C 32 TQFP
MAX9403EGJ* -40擄C to +85擄C 32 QFN
MAX9405EHJ
-40擄C to +85擄C 32 TQFP
MAX9405EGJ* -40擄C to +85擄C 32 QFN
Applications
Data and Clock Driver and Buffer
Central Office Backplane Clock Distribution
DSLAM Backplane
Base Station
ATE
*Future
product鈥攃ontact factory for availability.
Pin Configurations
OUT0
V
CC
V
EE
IN0
IN0
IN1
26
IN1
25
24 V
CC
23 OUT1
22 OUT1
21 V
EE
20 V
EE
19 OUT2
18 OUT2
17 V
CC
9
IN3
10
IN3
11
V
CC
12
OUT3
13
OUT3
14
V
EE
15
IN2
16
IN2
TOP VIEW
32
V
CC
SEL
SEL
CLK
CLK
1
2
3
4
5
6
7
8
31
30
29
28
OUT0
27
Functional Diagram appears at end of data sheet.
EN
EN
V
CC
MAX9400
MAX9402
MAX9403
MAX9405
TQFP (5mm x 5mm)
Pin Configurations continued at end of data sheet.
________________________________________________________________
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.
MAX9400 PDF文件相關(guān)型號
MAX9402,MAX9403,MAX9405
MAX9400相關(guān)型號PDF文件下載
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