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843S1066D Datasheet

Crystal-to-3.3V LVPECL Frequency Synthesizer

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Crystal-to-3.3V LVPECL Frequency
Synthesizer
843S1066D
Datasheet
General Description
The 843S1066D is a high frequency clock generator. The
843S1066D uses an external 20MHz crystal to synthesize either
1066.67MHz or 1600MHz. The 843S1066D has excellent
cycle-to-cycle and RMS period jitter performance.
The 843S1066D operates at 3.3V operating supply and is available
in a fully RoHS compliant 8-lead TSSOP package..
Features
One differential LVPECL output
Crystal oscillator interface designed for 18pF, 20MHz parallel
resonant crystal
Cycle-to-Cycle Jitter: 12ps (maximum)
Period Jitter, RMS: 2.8ps (maximum)
Output Duty Cycle: 48 – 52%
Full 3.3V supply mode
0°C to 70°C ambient operating temperature
Available in lead-free (RoHS 6) package
For functional replacement part use 8V97051
Table 1. Frequency Table
F_SEL
Crystal Frequency (MHz)
0
20
1
20
Multiplier Value
53.3
80
Output Frequency (MHz)
1066.67 (default)
1600
Block Diagram
F_SEL Pulldown
20MHz
XTAL_IN
Q
OSC
PLL Multiplier
nQ
XTAL_OUT
Pin Assignment
VCCA 1
VEE 2
XTAL_OUT 3
XTAL_IN 4
8 VCC
7Q
6 nQ
5 F_SEL
843S1066D
8 Lead TSSOP
4.40mm x 3.0mm x 0.925mm package body
G Package
Top View
©2016 Integrated Device Technology, Inc.
1
Revision B, November 10, 2016


Renesas Electronics Components Datasheet

843S1066D Datasheet

Crystal-to-3.3V LVPECL Frequency Synthesizer

No Preview Available !

843S1066D Datasheet
Table 2. Pin Descriptions
Number
Name
Type
Description
1
VCCA
Power
2
VEE
Power
3,
4
XTAL_OUT
XTAL_IN
Input
Analog supply pin.
Negative supply pin.
Crystal oscillator interface. XTAL_IN is the input, XTAL_OUT is the output. External
tuning capacitor must be used for proper operation.
5
F_SEL
Input Pulldown Frequency select pin. LVCMOS/LVTTL interface levels.
6, 7
nQ, Q
Output
Differential output pair. LVPECL interface levels.
8
VCC
Power
Core supply pin.
NOTE: Pulldown refers to internal input resistors. See Table 2, Pin Characteristics, for typical values.
Table 3. Pin Characteristics
Symbol
Parameter
CIN
Input Capacitance
RPULLDOWN Input Pulldown Resistor
Test Conditions
Minimum
Typical
2
51
Maximum
Units
pF
k
©2016 Integrated Device Technology, Inc.
2
Revision B, November 10, 2016



Part Number 843S1066D
Description Crystal-to-3.3V LVPECL Frequency Synthesizer
Maker Renesas
Total Page 3 Pages
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