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ICS307M-02I Datasheet

  • ICS307M-02I

  • Serially Programmable Clock Source

  • 8頁

  • ICS

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ICS307
Serially Programmable Clock Source
Description
The ICS307-01 and ICS307-02 are versatile
serially programmable clock sources which take
up very little board space.
They can generate any frequency from 6 to
200 MHz, and have a second configurable
output. The outputs can be reprogrammed on
the fly, and will lock to a new frequency in 10 ms
or less. Smooth transitions (in which the clock
duty cycle remains roughly 50%) are guaranteed
if the output divider is not changed.
The devices include a PDTS pin which tri-states
the output clocks and powers down the entire
chip.
The ICS307-02 features a default clock output
at start-up and is recommended for all new
designs.
Features
鈥?Packaged as 16 pin narrow SOIC
鈥?Highly accurate frequency generation
鈥?Serially programmable: user determines
the output frequency via a 3 wire interface.
鈥?Eliminates need for custom quartz
鈥?Input crystal frequency of 5 - 27 MHz
鈥?Output clock frequencies up to 200 MHz
鈥?Power Down Tri-State mode
鈥?Very low jitter
鈥?Operating voltages of 3.0 to 5.5 V
鈥?25 mA drive capability at TTL levels
鈥?Industrial temperature available
Block Diagram
TTL
2
Shift
Register
3
2
R6:R0
7
VDD GND
SCLK
DATA
STROBE
C1:C0
S2:S0
F1:F0
9
V8:V0
Output
Buffer
VCO
Divider
S2:S0
3
VCO
Output
Divider
PDTS
CLK1
Crystal or
clock input
X1/ICLK
Reference
Divider
Phase Comparator,
Charge Pump,
and Loop Filter
Crystal
Oscillator
X2
Function
Select
2
F1:F0
Output
Buffer
TTL
CLK2
C1:C0
MDS 307 D
1
Revision 042501
Integrated Circuit Systems, Inc. 鈥?525 Race Street 鈥?San Jose 鈥A鈥?5126鈥?408) 295-9800tel 鈥ww.icst.com

ICS307M-02I 產(chǎn)品屬性

  • Product Discontinuation 13/May/2009

  • 48

  • 集成電路 (IC)

  • 時(shí)鐘/計(jì)時(shí) - 時(shí)鐘發(fā)生器，PLL，頻率合成器

  • -

  • 時(shí)鐘發(fā)生器

  • 帶旁路

  • 時(shí)鐘，晶體

  • LVCMOS

  • 1

  • 2:2

  • 無/無

  • 180MHz

  • 是/無

  • 3 V ~ 5.5 V

  • -40°C ~ 85°C

  • 表面貼裝

  • 16-SOIC（0.154"，3.90mm 寬）

  • 16-SOIC

  • 管件

  • 307M-02I

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