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參數(shù)資料
| 型號(hào)： | MAX3877 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Half-Duplex LVDM Transceiver 8-SOIC -40 to 85 |
| 中文描述： | 2.5Gbps、+3.3V時(shí)鐘與數(shù)據(jù)再定時(shí)IC，帶有垂直調(diào)節(jié)閾值 |
| 文件頁(yè)數(shù)： | 1/16頁(yè) |
| 文件大小： | 550K |
| 代理商： | MAX3877 |
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General Description
The MAX3877/MAX3878 are compact, low-power clock
recovery and data retiming ICs for 2.488Gbps SONET/
SDH applications. The fully integrated phase-locked
loop (PLL) recovers a synchronous clock signal from
the serial NRZ data input, which is retimed by the
recovered clock. An additional 2.488Gbps serial input
is available for system loopback diagnostic testing, or
this input can be connected to a 155MHz reference
clock to maintain a valid clock output in the absence of
data transitions. The MAX3877/MAX3878 provide verti-
cal threshold and phase-adjust control to optimize sys-
tem BER in DWDM applications.
These devices provide both loss-of-lock (
LOL
) and
loss-of-signal (LOS) monitors. Differential CML outputs
are provided for both clock and data signals on the
MAX3877, and differential PECL outputs are provided
for clock and data signals on the MAX3878.
The MAX3877/MAX3878 are designed for both section-
regenerator and terminal-receiver applications in OC-
48/STM-16 transmission systems. Their jitter performance
exceeds all of the SONET/SDH specifications. These
devices operate from a single +3.0V to +3.6V supply over
a -40°C to +85°C temperature range. Typical power con-
sumption is only 540mW with a +3.3V supply (MAX3878).
They are available in a 32-pin TQFP-EP package with an
exposed pad, as well as in die form.
Applications
Long Haul and Metro Systems with
Optical Amplification
DWDM Transmission Systems
SONET/SDH Receivers and Regenerators
Add/Drop Multiplexers
Digital Cross-Connects
SONET/SDH Test Equipment
Features
o
Exceeds ANSI, ITU, and Bellcore SONET/SDH
Specifications
o
Adjustable Input Threshold (±180mV)
o
10mVp-p to 1.2Vp-p Differential Input Range
o
540mW Power Dissipation (at +3.3V)
o
Fully Integrated Clock Recovery and Data
Retiming
o
Optional Holdover Capability (Using External
Reference Clock)
o
0.003UI
RMS
Clock Jitter Generation
o
Tolerates >2000 Consecutive Identical Digits
o
Additional 2.488Gbps Input for Diagnostic
Loopback Testing
o
Differential PECL or CML Data and Clock Outputs
o
Loss-of-Signal Indicator
o
Loss-of-Lock Indicator
Ordering Information
M
2.5Gbps, +3.3V Clock and Data Retiming ICs
with Vertical Threshold Adjust
________________________________________________________________
Maxim Integrated Products
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.
1
MAX3877
MAX3878
TQFP
TOP VIEW
32
28
29
30
31
25
26
27
C
G
F
F
C
P
L
L
10
13
15
14
16
11
12
9
G
V
C
G
S
S
V
C
V
C
G
17
18
19
20
21
22
23
SDO+
24
V
CC
SDO-
V
CC
V
CC
SCLKO+
SCLKO-
V
CC
2
3
4
5
6
7
8
LREF
SIS
V
CC
SDI+
SDI-
V
CC
THADJ
1
GND
Pin Configuration
19-2062; Rev 0; 5/01
* Exposed pad
** Dice are designed to operate over this range, but are tested
and guaranteed at T
A
= +25°C only. contact factory for avail-
ability.
*** Future product—contact factory for availability.
PART
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-EP*
DICE**
32 TQFP-EP*
DICE**
MAX3877
EHJ
MAX3877E/D***
MAX3878
EHJ
MAX3878E/D***
Typical Operating Circuit appears at end of data sheet.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX3878EHJ | 2.5Gbps, +3.3V Clock and Data Retiming ICs with Vertical Threshold Adjust |
| MAX3890 | Full-Duplex LVDM Transceiver 8-MSOP -40 to 85 |
| MAX3890ECB | +3.3V, 2.5Gbps, SDH/SONET 16:1 Serializer with Clock Synthesis and LVDS Inputs |
| MAX3935EGJ | 10.7Gbps EAM Driver |
| MAX3935 | 10.7Gbps EAM Driver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3877E/D | 功能描述:計(jì)時(shí)器和支持產(chǎn)品 RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時(shí)器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
| MAX3877EHJ | 功能描述:計(jì)時(shí)器和支持產(chǎn)品 2.5Gbps 3.3V Clock & Data Retiming IC RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時(shí)器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
| MAX3877EHJ-T | 功能描述:計(jì)時(shí)器和支持產(chǎn)品 2.5Gbps 3.3V Clock & Data Retiming IC RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時(shí)器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
| MAX3877EVKIT | 功能描述:計(jì)時(shí)器和支持產(chǎn)品 Evaluation Kit for the MAX3877 MAX3878 RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時(shí)器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
| MAX3878E/D | 功能描述:計(jì)時(shí)器和支持產(chǎn)品 2.5Gbps +3.3V Clock and Data Retiming ICs with vertical Threshold Adjust RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時(shí)器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
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