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SIT9003AC-13-18EQ-45.00000 MEMS XO oscillator from SiTime generating 45.0000 MHz with LVCMOS/LVTTL output. It operates at 1.8V with a frequency stability of ±50 ppm and comes in a compact 4-SMD no-lead package.
Mfr Part #:

SIT9003AC-13-18EQ-45.00000

Available from 1 distributors
Mfr Name: SiTime
SiTime
MEMS XO oscillator from SiTime generating 45.0000 MHz with LVCMOS/LVTTL output. It operates at 1.8V with a frequency stability of ±50 ppm and comes in a compact 4-SMD no-lead package.
✓ Total Stock: 152 pcs
$ Price Range: $1.40

SIT9003AC-13-18EQ-45.00000 Available from 1 distributor

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✓ Non-Authorised
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152 pcs
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152 pcs On Request 1 On Request On Request 1323 On Request On Request
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SIT9003AC-13-18EQ-45.00000 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Base Resonator
Current
Duty Cycle
Frequency
Frequency Stability
Function
Height
Length
Mounting Type
Operating Temperature
Output
Type
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Width
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SIT9003AC-13-18EQ-45.00000 Description

Short technical summary and product information.

The SiTime SIT9003AC-13-18EQ-45.00000 is a MEMS-based XO (standard) oscillator designed to deliver a precise 45.0000 MHz output frequency. This component utilizes all-silicon MEMS resonator technology, offering enhanced reliability compared to traditional quartz oscillators. It is part of the SiT9003 family and is configured for surface mount assembly.

 

The oscillator provides LVCMOS and LVTTL compatible outputs with a nominal supply voltage of 1.8V. Key electrical specifications include a frequency tolerance of ±50 ppm inclusive of initial stability, temperature, and voltage variations. The device features an enable/disable function via a standby pin, with a maximum standby current of only 0.8 µA, making it suitable for power-sensitive applications. The typical startup time is 10 ms.

 

Packaged in an industry-standard 4-SMD, no-lead package measuring 2.50mm x 2.00mm x 0.80mm, this oscillator is designed for high-density PCB designs. The output duty cycle ranges from 45% to 55% for frequencies at or below 70 MHz. It meets RoHS3 and REACH compliance standards, supporting lead-free manufacturing requirements.

SIT9003AC-13-18EQ-45.00000 Quick Information

Product Type: Oscillator
Series: AC
Canonical Name: MEMS Oscillator XO 45.0000MHz LVCMOS LVTTL 1.8V 4-SMD
Subcategory: MEMS Oscillator

SIT9003AC-13-18EQ-45.00000 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

SIT9003AC-13-18EQ-45.00000 Estimated Pricing

Qty Low High
124+ $1.40 $1.40

Estimated market price range - modelled values for guidance only, not live distributor offers.

SIT9003AC-13-18EQ-45.00000 Features

  • 45 MHz LVCMOS/LVTTL MEMS XO oscillator.
  • ±50 ppm frequency stability over conditions.
  • 1.8V supply with 3.2 mA typical current.
  • Standby current as low as 0.4 µA typical.
  • Compact 2.5mm x 2.0mm 4-SMD package.

SIT9003AC-13-18EQ-45.00000 Applications

  • Used in microprocessor clock generation circuits.
  • Suitable for flat panel display drivers.
  • Applies to PCI bus interface timing.
  • Ideal for portable and battery-powered devices.

SIT9003AC-13-18EQ-45.00000 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the output frequency of the SIT9003AC-13-18EQ-45.00000?

The nominal output frequency is 45 MHz.

What is the frequency stability of this oscillator?

The frequency tolerance is ±50 ppm (maximum), inclusive of initial stability, temperature, voltage, and load changes.

What is the supply voltage requirement?

The nominal supply voltage is 1.8V (range 1.71V to 1.89V).

What is the operating temperature range?

The operating temperature range is -20°C to 70°C (extended commercial).

What package does this oscillator come in?

It is supplied in a 4-SMD, no lead surface mount package measuring 2.50mm x 2.00mm x 0.80mm.

Is this component RoHS compliant?

It is listed as RoHS3 compliant and REACH unaffected.

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