參數資料
| 型號： | SY87701VZH TR |
| 廠商： | Micrel Inc |
| 文件頁數： | 1/15頁 |
| 文件大小： | 0K |
| 描述： | IC CLOCK/DATA RECOVERY 28SOIC |
| 標準包裝： | 1,000 |
| 系列： | AnyRate® |
| 類型： | 時鐘和數據恢復（CDR），多路復用器 |
| PLL： | 是 |
| 主要目的： | 以太網，SONET/SDH，ATM 應用 |
| 輸入： | PECL |
| 輸出： | PECL |
| 電路數： | 1 |
| 比率 - 輸入:輸出： | 1:3 |
| 差分 - 輸入:輸出： | 是/是 |
| 頻率 - 最大： | 1.25Gbps |
| 電源電壓： | 3.15 V ~ 5.25 V |
| 工作溫度： | 0°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 28-SOIC（0.295"，7.50mm 寬） |
| 供應商設備封裝： | 28-SOIC |
| 包裝： | 帶卷 (TR) |
SY87701V
1
Micrel, Inc.
M9999-073008
hbwhelp@micrel.com or (408) 955-1690
DESCRIPTION
FEATURES
s 3.3V and 5V power supply options
s Clock and data recovery from 32Mbps up to
1.25Gbps NRZ data stream, clock generation from
32Mbps to 1.25Gbps
s Complies with Bellcore, ITU/CCITT and ANSI
specifications for applications such as OC-1, OC-3,
OC-12, ATM, FDDI, Fibre Channel and Gigabit
Ethernet, as well as proprietary applications
s Two on-chip PLLs: one for clock generation and
another for clock recovery
s Selectable reference frequencies
s Differential PECL high-speed serial I/O
s Line receiver input: no external buffering needed
s Link fault indication
s 100K ECL compatible I/O
s Available in 32-pin EPAD-TQFP and 28-pin SOIC
packages (28-pin SOIC is available, but not
recommended for new designs, see page 2 for
details
The SY87701V is a complete Clock Recovery and Data
Retiming integrated circuit for data rates from 32Mbps
up to 1.25Gbps NRZ. The device is ideally suited for
SONET/SDH/ATM and Fibre Channel applications and
other high-speed data transmission systems.
Clock recovery and data retiming is performed by
synchronizing the on-chip VCO directly to the incoming
data stream. The VCO center frequency is controlled by
the reference clock frequency and the selected divide
ratio. On-chip clock generation is performed through the
use of a frequency multiplier PLL with a byte rate source
as reference.
The SY87701V also includes a link fault detection
circuit.
Datasheets and support documentation can be found on
Micrel’s web site at: www.micrel.com.
APPLICATIONS
s SONET/SDH/ATM OC-1, OC-3, OC-12, OC-24
s Fibre Channel, Escon, SMPTE 259
s Gigabit Ethernet/Fast Ethernet
s Proprietary architecture up to 1.25Gbps
PHASE
DETECTOR
PHASE/
FREQUENCY
DETECTOR
CHARGE
PUMP
VCO
CHARGE
PUMP
VCO
LINK
FAULT
DETECTOR
DIVIDER
BY 8, 10, 16, 20
REFCLK
CD
RDINN
RDINP
PLLR P/N
CLKSEL
RDOUTP
RCLKP
RCLKN
RDOUTN
LFIN
FREQSEL 1/2/3
PLLS P/N
DIVSEL 1/2
SY87701V
TCLKP
TCLKN
VCC
VCCA
VCCO
GND
1
0
(PECL)
(TTL)
(PECL)
(TTL)
(PECL)
(TTL)
0
1
PHASE/
FREQUENCY
DETECTOR
BLOCK DIAGRAM
Rev.: O
Amendment: /0
Issue Date:
July 2008
AnyRate is a registered trademark of Micrel, Inc.
AnyRate
SY87701V
5V/3.3V 32-1250Mbps AnyRate
CLOCK AND DATA RECOVERY
Use lower-power SY87701AL for 3.3V systems
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| SY87702LHI | 功能描述:IC CLOCK/DATA RECOVERY 64-TQFP RoHS:否 類別:集成電路 (IC) >> 時鐘/計時 - 專用 系列:AnyRate® 標準包裝:1,500 系列:- 類型:時鐘緩沖器/驅動器 PLL:是 主要目的:- 輸入:- 輸出:- 電路數:- 比率 - 輸入:輸出:- 差分 - 輸入:輸出:- 頻率 - 最大:- 電源電壓:3.3V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SSOP（0.209"，5.30mm 寬） 供應商設備封裝:28-SSOP 包裝:帶卷 (TR) 其它名稱:93786AFT |
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