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Numéro de référence | 8SLVP1208 | ||
Description | LVPECL Output Fanout Buffer | ||
Fabricant | IDT | ||
Logo | |||
1 Page
Low Phase Noise, 1-to-8, 3.3V, 2.5V
LVPECL Output Fanout Buffer
8SLVP1208
DATA SHEET
General Description
The 8SLVP1208 is a high-performance differential LVPECL fanout
buffer. The device is designed for the fanout of high-frequency, very
low additive phase-noise clock and data signals. The 8SLVP1208 is
characterized to operate from a 3.3V and 2.5V power supply.
Guaranteed output-to-output and part-to-part skew characteristics
make the 8SLVP1208 ideal for those clock distribution applications
demanding well-defined performance and repeatability. Two
selectable differential inputs and eight low skew outputs are available.
The integrated bias voltage generators enables easy interfacing of
single-ended signals to the device inputs. The device is optimized for
low power consumption and low additive phase noise.
Features
• Eight low skew, low additive jitter LVPECL output pairs
• Two selectable, differential clock input pairs
• Differential pairs can accept the following differential input
levels: LVDS, LVPECL, CML
• Maximum input clock frequency: 2GHz
• LVCMOS interface levels for the control input (input select)
• Output skew: 28ps (typical)
• Propagation delay: 410ps (maximum)
• Low additive phase jitter, RMS: 54.1fs (maximum)
(fREF = 156.25MHz, VPP = 1V, 12kHz - 20MHz)
• Full 3.3V and 2.5V supply voltage
• Maximum device current consumption (IEE): 141mA
• Available in lead-free (RoHS 6), 28-Lead VFQFN package
• -40°C to 85°C ambient operating temperature
• Differential PCLK0, nPCLK0 and PCLK1, nPCLK1 pairs can also
accept single-ended LVCMOS levels. See Applications section
Wiring the Differential Input to Accept Single-Ended Levels
(Figure 1A and Figure 1B)
Block Diagram
VCC
PCLK0
nPCLK0
Pulldown
Pullup/Pulldown
VCC
PCLK1
nPCLK1
Pulldown
Pullup/Pulldown
0 fREF
1
SEL Pulldown
VREF
Voltage
Reference
8SLVP1208 REVISION 1 08/28/14
Pin Assignment
Q0
nQ0
Q1
nQ1
Q2
nQ2
Q3
nQ3
Q4
nQ4
Q5
nQ5
Q6 8SLVP1208
nQ6 28-Lead LFCSP
Q7 5mm x 5mm x 0.75mm package body
nQ7 NB Package
Top View
1 ©2014 Integrated Device Technology, Inc.
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Pages | Pages 23 | ||
Télécharger | [ 8SLVP1208 ] |
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