843S1333D Datasheet, PDF (1/15 Pages) Integrated Device Technology – Crystal-to-3.3V LVPECL Clock Synthesizer

Crystal-to-3.3V LVPECL Clock
Synthesizer
843S1333D
Data Sheet
General Description
The 843S1333D is a high frequency clock generator. The
843S1333D uses an external 20MHz crystal to synthesize
1333.33MHz. The 843S1333D has excellent cycle-to-cycle and
RMS period jitter performance.
The 843S1333D 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: 14ps (maximum)
• Period Jitter, RMS: 2.6ps (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
Table 1. Frequency Table
Crystal Frequency (MHz)
20
Multiplier Value
66.67
Output Frequency (MHz)
1333.33
Block Diagram
OE ^Pullup
20MHz
XTAL_IN
Q
OSC
PLL Multiplier
(x66.67)
nQ
XTAL_OUT
Pin Assignment
VCCA ₁
VEE 2
XTAL_OUT 3
XTAL_IN 4
8 VCC
7Q
6 nQ
5 OE
843S1333D
8 Lead TSSOP
4.40mm x 3.0mm x 0.925mm package body
G Package
Top View
©2015 Integrated Device Technology, Inc
1
Revision A December 2, 2015