MAX3881ECB-D Maxim Integrated, MAX3881ECB-D Datasheet

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MAX3881ECB-D

Manufacturer Part Number
MAX3881ECB-D
Description
Serializers & Deserializers - Serdes
Manufacturer
Maxim Integrated
Type
Deserializerr
Datasheet

Specifications of MAX3881ECB-D

Data Rate
2.488 Gbit/s
Input Type
TTL
Output Type
PECL
Number Of Inputs
1
Number Of Outputs
16
Operating Supply Voltage
3 V to 3.6 V
Operating Temperature Range
- 40 C to + 85 C
Package / Case
TQFP-64 EP
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Supply Voltage - Max
3.6 V
Supply Voltage - Min
3 V
The MAX3881 deserializer with clock recovery is ideal
for converting 2.488Gbps serial data to 16-bit-wide,
155Mbps parallel data for SDH/SONET applications.
Operating from a single +3.3V supply, this device
accepts high-speed serial-data inputs and delivers sin-
gle-ended PECL parallel data outputs and a differential
PECL parallel clock output for interfacing with digital
circuitry.
The MAX3881 includes a low-power clock recovery and
data retiming function for 2.488Gbps applications. The
fully integrated phase-locked loop (PLL) recovers a
synchronous clock signal from the serial NRZ data
input; the signal is then retimed by the recovered clock.
The MAX3881’s jitter performance exceeds all
SDH/SONET specifications. An additional 2.488Gbps
serial input is available for system loopback diagnostic
testing. The device also includes a TTL-compatible
loss-of-lock (LOL) monitor.
The MAX3881 is available in the extended temperature
range (-40°C to +85°C) in a 64-pin TQFP-EP package.
19-1996; Rev 1; 12/01
Typical Application Circuit appears at end of data sheet.
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.
2.488Gbps SDH/SONET Transmission Systems
Add/Drop Multiplexers
Digital Cross-Connects
________________________________________________________________ Maxim Integrated Products
1:16 Deserializer with Clock Recovery
General Description
Applications
+3.3V, 2.488Gbps, SDH/SONET
o Single +3.3V Supply
o 530mW Operating Power
o Fully Integrated Clock Recovery and Data
o Exceeds ANSI, ITU, and Bellcore Specifications
o Additional High-Speed Input Facilitates System
o 2.488Gbps Serial to 155Mbps Parallel Conversion
o Differential PECL Clock Output
o Single-Ended PECL Data Outputs
o Tolerates >2000 Consecutive Identical Digits
o Loss-of-Lock Indicator
*Exposed pad
MAX3881ECB
Retiming
Loopback Diagnostic Testing
TOP VIEW
PHADJ+
PHADJ-
SLBI+
SLBI-
GND
SDI+
GND
GND
*EXPOSED PAD IS CONNECTED TO GND.
FIL+
SDI-
FIL-
V
V
V
V
SIS
CC
CC
CC
CC
PART
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
64
17
63
18
19
62
61
20
TEMP. RANGE
-40°C to +85°C
60
21
Ordering Information
59
22
58
23
MAX3881
TQFP-EP*
57
24
Pin Configuration
56
25
55
26
54
27
53
28
52
29
PIN-PACKAGE
64 TQFP-EP*
51
30
Features
50
31
49
32
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
V
PD10
V
PD9
V
PD8
V
GND
V
PD7
V
PD6
V
PD5
V
GND
CC
CC
CC
CC
CC
CC
CC
CC
1

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MAX3881ECB-D Summary of contents

Page 1

... Exceeds ANSI, ITU, and Bellcore Specifications o Additional High-Speed Input Facilitates System Loopback Diagnostic Testing o 2.488Gbps Serial to 155Mbps Parallel Conversion o Differential PECL Clock Output o Single-Ended PECL Data Outputs o Tolerates >2000 Consecutive Identical Digits o Loss-of-Lock Indicator PART MAX3881ECB *Exposed pad Applications TOP VIEW GND 1 FIL+ 2 FIL- ...

Page 2

SDH/SONET 1:16 Deserializer with Clock Recovery ABSOLUTE MAXIMUM RATINGS Positive Supply Voltage (V )...............................-0.5V to +7.0V CC Input Voltage Level (SDI+, SDI-, SLBI+, SLBI-) ...............................(V CC Input Current Level (SDI+, SDI-, SLBI+, SLBI-)................±10mA Voltage at LOL, SIS, PHADJ+, ...

Page 3

Deserializer with Clock Recovery AC ELECTRICAL CHARACTERISTICS (V = +3.0V to +3.6V, PECL loads = 50Ω +3.3V +25°C.) (Note PARAMETER SYMBOL Serial Data Rate SDI Parallel Output Data Rate ...

Page 4

SDH/SONET 1:16 Deserializer with Clock Recovery (V = +3.3V +25°C, unless otherwise noted RECOVERED DATA AND CLOCK PATTERN DATA CLOCK 1.64ns/div JITTER TOLERANCE vs. INPUT VOLTAGE 1 JITTER FREQUENCY = ...

Page 5

Deserializer with Clock Recovery PIN NAME 1, 15, 16, 17, 25, 33, 41, GND Ground 49, 57, 62 FIL+ Positive Filter Input. PLL loop filter connection. Connect a 1.0µF capacitor between FIL+ and FIL-. 3 FIL- Negative ...

Page 6

SDH/SONET 1:16 Deserializer with Clock Recovery V CC 50Ω SDI+ AMP SDI- 0 MUX SLBI AMP SLBI- I 50Ω SIS Figure 3. MAX3881 Functional Diagram Detailed Description The MAX3881 deserializer with clock recovery converts ...

Page 7

Deserializer with Clock Recovery although the jitter tolerance performance will be degraded. For interfacing with PECL signal levels, see Applications Information. The phase detector in the MAX3881 produces a volt- age proportional to the phase difference between the incoming ...

Page 8

SDH/SONET 1:16 Deserializer with Clock Recovery 50Ω termination (Figure 5). AC-coupling is also required to maintain the input common-mode level. Exposed-Pad Package The exposed-pad (EP), 64-pin TQFP incorporates fea- tures that provide a very low thermal-resistance path for ...

Page 9

SDH/SONET 1:16 Deserializer with Clock Recovery 0.01µF +3. OUT+ FIL MAX3866 IN+ PRE/POSTAMPLIFIER OUT- LOP TTL SYSTEM LOOPBACK EXTERNAL TERMINATION REQUIRED ONLY IF OVERHEAD CIRCUIT DOES NOT INCLUDE INTERNAL INPUT TERMINATION. THIS SYMBOL REPRESENTS A TRANSMISSION ...

Page 10

SDH/SONET 1:16 Deserializer with Clock Recovery 10 ______________________________________________________________________________________ Package Information ...

Page 11

... 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 ____________________ 11 © 2001 Maxim Integrated Products +3 ...

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