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參數資料
| 型號： | ADN4670BSTZ-REEL7 |
| 廠商： | Analog Devices Inc |
| 文件頁數： | 1/12頁 |
| 文件大小： | 0K |
| 描述： | IC CLOCK BUFFER MUX 2:10 32LQFP |
| 標準包裝： | 500 |
| 類型： | 扇出緩沖器（分配），多路復用器 |
| 電路數： | 1 |
| 比率 - 輸入:輸出： | 2:10 |
| 差分 - 輸入:輸出： | 是/是 |
| 輸入： | LVDS |
| 輸出： | LVDS |
| 頻率 - 最大： | 1.1GHz |
| 電源電壓： | 2.375 V ~ 2.625 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 32-LQFP |
| 供應商設備封裝： | 32-LQFP（7x7） |
| 包裝： | 帶卷 (TR) |
Programmable Low Voltage
1:10 LVDS Clock Driver
Data Sheet
Rev. A
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
2010–2012 Analog Devices, Inc. All rights reserved.
FEATURES
Low output skew <30 ps (typical)
Distributes one differential clock input to 10 LVDS clock
outputs
Programmable—one of two differential clock inputs can be
selected (CLK0, CLK1) and individual differential clock
outputs enabled/disabled
Signaling rate up to 1.1 GHz (typical)
2.375 V to 2.625 V power supply range
±100 mV differential input threshold
Input common-mode range from rail-to-rail
I/O pins fail-safe during power-down: VDD = 0 V
Available in 32-lead LFCSP and LQFP packages
Industrial operating temperature range: 40°C to +85°C
APPLICATIONS
Clock distribution networks
FUNCTIONAL BLOCK DIAGRAM
9 8 7 6 5 4 3 2 1 0
10
12-BIT
COUNTER
11-BIT SHIFT REGISTER
11-BIT CONTROL REGISTER
Q9
Q8
Q7
Q6
Q5
Q4
Q3
Q2
Q1
Q0
CK
SI
EN
CLK0
CLK1
MUX
1
0
CLK0
CLK1
Q9
Q8
Q7
Q6
Q5
Q4
Q3
Q2
Q1
Q0
0
1
08870-
001
Figure 1.
GENERAL DESCRIPTION
The ADN4670 is a low voltage differential signaling (LVDS)
clock driver that expands a differential clock input signal to
10 differential clock outputs. The device is programmable
using a simple serial interface, so that one of two clock inputs
can be selected (CLK0/CLK0 or CLK1/CLK1) and any of the
differential outputs (Q0/Q0 to Q9/Q9) can be enabled or
disabled (tristated). The ADN4670 is designed for use in 50
transmission line environments.
When the enable input EN is high, the device may be pro-
grammed by clocking 11 data bits into the shift register. The
first 10 bits determine which outputs are enabled (0 = disabled,
1 = enabled), while the 11th bit selects the clock input (0 =
CLK0, 1 = CLK1). A 12th clock pulse transfers data from the
shift register to the control register.
The ADN4670 is fully specified over the industrial temperature
range and is available in a 32-lead LFCSP and LQFP packages.
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