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ICS1523M Datasheet

  • ICS1523M

  • High-Performance Programmable Line-Locked Clock Generator

  • 1215.84KB

  • 27页

  • ICS

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Integrated
Circuit
Systems, Inc.
ICS1523
High-Performance Programmable Line-Locked Clock Generator
General Description
The
ICS1523
is a low-cost but very high-performance
frequency generator for line-locked and genlocked high-
resolution video applications. Using ICS聮s advanced
low-voltage CMOS mixed-mode technology, the
ICS1523
is an effective clock solution for video projectors and dis-
plays at resolutions from VGA to beyond UXGA.
The
ICS1523
offers pixel clock outputs in both differential
(to 250 MHz) and single-ended (to 150 MHz) formats.
Dynamic Phase Adjust聶 circuitry allows user control of
the pixel clock phase relative to the recovered sync signal.
A second differential output at half the pixel clock rate
enables deMUXing of multiplexed analog-to-digital con-
verters. The FUNC pin provides either the regenerated
input from the phase-locked loop (PLL) divider chain out-
put or a re-synchronized and sharpened input HSYNC.
The advanced PLL uses either its internal programmable
feedback divider or an external divider. The device is pro-
grammed by a standard I
2
C-bus聶 serial interface and is
available in a 24-pin wide small-outline integrated circuit
(SOIC) package.
Features
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Pixel clock frequencies up to 250 MHz
Very low jitter
Dynamic Phase Adjust (DPA) for clock outputs
Balanced PECL differential outputs
Single-ended SSTL_3 clock outputs
Double-buffered PLL/DPA control registers
Independent software reset for PLL/DPA
External or internal loop filter selection
Uses 3.3Vdc. Inputs are 5V-tolerant.
I
2
C-bus聶 serial interface can run at either low speed
(100 kHz) or high speed (400 kHz).
Lock detection
24-pin 300-mil SOIC package
Applications
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LCD monitors and video projectors
Genlocking multiple video subsystems
Frequency synthesis
Block Diagram
Pin Configuration
24-Pin SOIC
I C-bus is a trademark of Philips Corporation.
Dynamic Phase Adjust is a trademark of Integrated Circuit Systems, Inc.
ICS1523 Rev S 5/21/99
ICS reserves the right to make changes in the device data identified in
this publication without further notice. ICS advises its customers to
obtain the latest version of all device data to verify that any
information being relied upon by the customer is current and accurate.
2

ICS1523M 产品属性

  • ICS1523

  • Product Discontinuation 13/May/2009

  • 30

  • 集成电路 (IC)

  • 时钟/计时 - 时钟发生器，PLL，频率合成器

  • -

  • 时钟合成器 - 视频

  • 是

  • 时钟

  • LVPECL，SSTL-3

  • 1

  • 1:3

  • 无/是

  • 250MHz

  • 是/无

  • 3 V ~ 3.6 V

  • 0°C ~ 70°C

  • 表面贴装

  • 24-SOIC（0.295"，7.50mm 宽）

  • 24-SOIC

  • 管件

  • 1523M

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