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SIT9501AC-08B2-1820-78.125000

Description
HCSL Output Clock Oscillator, 78.125MHz Nom,
CategoryPassive components    oscillator   
File Size1MB,25 Pages
ManufacturerSiTime
Download Datasheet Parametric View All

SIT9501AC-08B2-1820-78.125000 Overview

HCSL Output Clock Oscillator, 78.125MHz Nom,

SIT9501AC-08B2-1820-78.125000 Parametric

Parameter NameAttribute value
Objectid145228866317
Reach Compliance Codecompliant
Country Of OriginMalaysia, Taiwan, Thailand
YTEOL6.79
Other featuresENABLE/DISABLE FUNCTION
maximum descent time0.38 ns
Frequency Adjustment - MechanicalNO
frequency stability25%
Installation featuresSURFACE MOUNT
Number of terminals6
Nominal operating frequency78.125 MHz
Maximum operating temperature70 °C
Minimum operating temperature-20 °C
Oscillator typeHCSL
Output load50 OHM
Encapsulate equivalent codeSOLCC6,.1,43
physical size3.2mm x 2.5mm x 0.9mm
longest rise time0.38 ns
Filter levelMIL-STD-883F
Maximum supply voltage1.89 V
Minimum supply voltage1.71 V
Nominal supply voltage1.8 V
surface mountYES
maximum symmetry52/48 %
SiT9501
ADVANCED
Ultra-low Jitter Differential XO for Standard Networking Frequencies
Description
The SiT9501 is a differential MEMS oscillator that is
engineered for low-jitter applications requiring standard
networking frequencies from 25 MHz to 644.53125 MHz.
A unique FlexSwing output-driver performs like LVPECL
but provides independent control of voltage swing and DC
offset to simplify interfacing with chipsets having non-
standard input voltage requirements and eliminate all
external source-bias resistors. The device also integrates
multiple on-chip regulators to filter power supply noise,
eliminating the need for an external dedicated LDO.
The SiT9501 can be factory programmed for specific
combinations of frequency, stability, voltage, output
signaling, and pin 1 functionality. Programmability enables
designers to optimize clock configurations while
eliminating long lead times and customization costs
associated with quartz devices where each combination is
custom built.
The wide frequency range and programmability makes
this device ideal for communications, enterprise, and
industrial applications that require a variety of frequencies
and operate in noisy environments.
Refer to
Manufacturing Notes
for proper reflow profile,
tape and reel dimension, and other manufacturing related
information.
Features
14 Standard networking frequencies from 25 MHz to
644.53125 MHz
70 fs RMS typical phase jitter, 12 kHz to 20 MHz
Excellent power-supply noise rejection
LVPECL, LVDS, HCSL, Low-power HCSL, and
FlexSwing signaling options
±20, ±25, ±30, and ±50 ppm frequency stabilities
Wide temperature support up to -40°C to 105°C
Factory programmable options for low lead time
1.8 V, 2.5 V, 3.3 V, and wide continuous range power
supply voltage
2 x 1.6, 2.5 x 2, 3.2 x 2.5 mm x mm package
(Contact
SiTime
for 7 x 5, and 5 x 3.2 mm x mm
packages)
Applications
400G/800G network equipment
Optical modules
Coherent optics
Network switches, routers
Industrial networking equipment
Block Diagram
Package Pinout
OE/NF
NF
GND
1
6
VDD
OUTN
OUTP
2
5
3
4
Figure 1. SiT9501 Block Diagram
Figure 2. Pin Assignments (Top view)
(Refer to
Table 17
for Pin Descriptions)
Rev 0.54
September 23, 2020
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