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PL685-88 Datasheet دیتاشیت PDF دانلود

دیتاشیت - Micrel - 19MHz to 800MHz Low Phase-Noise XO

شماره قطعه PL685-88
شرح مفصل 19MHz to 800MHz Low Phase-Noise XO
تولید کننده Micrel 
آرم Micrel 


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PL685-88 شرح
(Preliminary) PL685-88
FE AT UR E S
19MHz to 800MHz Low Phase-Noise XO
PAD CONFIGURATION
< 0.5ps RMS phase jitter (12kHz to 20MHz) at
622.08MHz
30ps max peak to peak period jitter
8bit Switch Capacitor for ±50PPM crystal CLoad
tuning
о Load Capacitance Tuning Range: 8pF to 12pF
Ultra Low-Power Consumption
о < 90 mA @622MHz PECL output
о <10A at Power Down (PDB) Mode
Input Frequency:
о Fundamental Crystal: 19MHz to 40MHz
Output Frequency:
о 19MHz to 800MHz output.
Output types: LVPECL.
Programmable OE input polarity selection.
Power Supply: 3.3V, ±10%
Operating Temperature Ranges:
о Commercial: 0C to 70C
о Industrial: -40C to 85C
Available in Die or Wafer
DESCRIPTION
The PL685 is a Dual LC core monolithic IC clock,
capable of maintaining sub-1ps RMS phase jitter,
while covering a wide frequency output range up to
800MHz, without the use of external components.
The high performance and high frequency output is
achieved using a low cost fundamental crystal of
between 19MHz and 40 MHz. The PL685 is
designed to address the demanding requirements of
high performance applications such as Fiber
Channel, serial ATA, Ethernet, SAN, SONET/SDH,
etc.
65 mil
SCLK 9
8
Die ID
OE/PDB/
SDIO
DNC
10
11
GND_ANA
GND_DIG
GND_BUF
12
13
14
(0,0)
PL685
(1650,2250)
7
6 VDD_ANA
5 VDD_DIG
4 VDD_BUF
3 QB
2 VDD_BUF
1Q
DIE SPECIFICATIONS
Name
Size
Reverse side
Pad dimensions
Thickness
Value
65 x 88.6 mil
GND
80 micron x 80 micron
8 mils
OUTPUT ENABLE CONTROL
OE Select
(Programmable)
OE
State
0
0 (Default)
1
Output enabled
Tri-state
1 (Default)
0
1 (Default)
Tri-state
Output enabled
BLOCK DIAGRAM
OE/PDB
XIN/REF
XOUT
Xtal
Osc
(Default pre-programmed output path)
PD/CP
LF HF
LCVCOs
Pre-scalar
4/6
/2
Programmable Function
M Divider
(5 bit)
P Divider
(4 bit)
/2
Q
QB
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1(408) 944 -0800 • fax +1(408) 474-1000 • www.micrel.com Rev 06/24/11 Page 1

قانون اساسیصفحه 6
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