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MAX9393ETJ* PDF预览

MAX9393ETJ*

更新时间: 2024-11-04 22:25:27
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描述
Anything-to-LVDS Dual 2 x 2 Crosspoint Switches

MAX9393ETJ* 数据手册

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19-2913; Rev 0; 8/03  
Anything-to-LVDS Dual 2 x 2  
Crosspoint Switches  
General Description  
Features  
The MAX9392/MAX9393 dual 2 x 2 crosspoint switches  
perform high-speed, low-power, and low-noise signal  
distribution. The MAX9392/MAX9393 multiplex one of two  
differential input pairs to either or both low-voltage differ-  
ential signaling (LVDS) outputs for each channel.  
Independent enable inputs turn on or turn off each differ-  
ential output pair.  
1.5GHz Operation with 250mV Differential Output  
Swing  
2ps  
(max) Random Jitter  
RMS  
AC Specifications Guaranteed for 150mV  
Differential Input  
Signal Inputs Accept Any Differential Signaling  
Standard  
Four LVCMOS/LVTTL logic inputs (two per channel) con-  
trol the internal connections between inputs and outputs.  
This flexibility allows for the following configurations: 2 x 2  
crosspoint switch, 2:1 mux, 1:2 splitter, or dual repeater.  
This makes the MAX9392/MAX9393 ideal for protection  
switching in fault-tolerant systems, loopback switching for  
diagnostics, fanout buffering for clock/data distribution,  
and signal regeneration.  
LVDS Outputs for Clock or High-Speed Data  
High-Level Input Fail-Safe Detection (MAX9392)  
Low-Level Input Fail-Safe Detection (MAX9393)  
+3.0V to +3.6V Supply Voltage Range  
LVCMOS/LVTTL Logic Inputs Control Signal  
Routing  
Fail-safe circuitry forces the outputs to a differential low  
condition for undriven inputs or when the common-  
mode voltage exceeds the specified range. The  
MAX9392 provides high-level input fail-safe detection  
for LVDS, HSTL, and other GND-referenced differential  
inputs. The MAX9393 provides low-level input fail-safe  
Ordering Information  
PART  
MAX9392EHJ  
MAX9392ETJ*  
MAX9393EHJ  
MAX9393ETJ*  
TEMP RANGE  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
PIN-PACKAGE  
32 TQFP  
32 Thin QFN  
32 TQFP  
detection for LVPECL, CML, and other V -referenced  
CC  
differential inputs.  
32 Thin QFN  
Ultra-low 98ps  
(max) pseudorandom bit sequence  
(P-P)  
*Future product—contact factory for availability.  
(PRBS) jitter ensures reliable communications in high-  
speed links that are highly sensitive to timing error,  
especially those incorporating clock-and-data recovery,  
or serializers and deserializers. The high-speed switch-  
ing performance guarantees 1.5GHz operation and less  
than 67ps (max) skew between channels.  
Pin Configurations  
TOP VIEW  
LVDS inputs and outputs are compatible with the  
TIA/EIA-644 LVDS standard. The LVDS outputs drive  
100 loads. The MAX9392/MAX9393 are offered in  
5mm x 5mm thin QFN with exposed paddle and 32-pin  
TQFP packages and operate over the extended tem-  
perature range (-40°C to +85°C).  
32 31 30 29 28 27 26 25  
GND  
INB0  
1
2
3
4
5
6
7
8
24 V  
CC  
OUTA0  
23  
22 OUTA0  
21 ENA0  
20 GND  
INB0  
Also see the MAX9390/MAX9391 for the crossflow version.  
BSEL0  
MAX9392  
MAX9393  
V
CC  
Applications  
High-Speed Telecom/Datacom Equipment  
Central-Office Backplane Clock Distribution  
DSLAM  
19 OUTA1  
18 OUTA1  
17 ENA1  
INB1  
INB1  
BSEL1  
9
10 11 12 13 14 15 16  
Protection Switching  
Fault-Tolerant Systems  
TQFP  
Functional Diagram and Typical Operating Circuit appear at  
end of data sheet.  
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’s website at www.maxim-ic.com.  

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