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ACS8520T The ACS8520T is a SONET/SDH SETS IC from Semtech. It supports Stratum 3/4E/4 applications with 14 input references and 9 output clocks.
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ACS8520T

Available from 2 distributors
Mfr Name: Semtech
Semtech
The ACS8520T is a SONET/SDH SETS IC from Semtech. It supports Stratum 3/4E/4 applications with 14 input references and 9 output clocks.
✓ Total Stock: 6,538 pcs

ACS8520T Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
6,358 pcs
On Request
6358 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
180 pcs
On Request
180 pcs On Request 1 On Request On Request 1901+ On Request On Request
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ACS8520T Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Differential
Frequency
Input
Main Purpose
Mounting Type
Number of Circuits
Number of Pins
Operating Temperature
Output
PLL
Ratio
Supplier Device Package
Voltage
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ACS8520T Description

Short technical summary and product information.

The ACS8520 is a highly integrated, single-chip solution for the Synchronous Equipment Timing Source (SETS) function in a SONET or SDH Network Element. It generates Equipment Clocks (SEC) and Frame Synchronization clocks. The device supports Free-run, Locked, and Holdover modes. It accepts 14 individual input reference clocks and simultaneously generates nine output clocks plus two sync pulse outputs. The PLL bandwidth is programmable from 0.1 Hz to 70 Hz in 10 steps. Output phase adjustment is available in 6 ps steps with a ±200 ns range. The microprocessor interface supports Intel, Motorola, Serial, Multiplexed, and EPROM Boot modes. JTAG boundary scan per IEEE 1149.1 is included. The ACS8520T is packaged in a 100-LQFP (14x14 mm) and operates from a 3.3V nominal supply (3V to 3.6V range) over -40°C to 85°C. The device is RoHS3 compliant and lead-free.

ACS8520T Quick Information

Product Type: Application Specific Clock/Timing IC
Canonical Name: ACS8520T Synchronous Equipment Timing Source (SETS) IC
Subcategory: Application Specific Clock/Timing

ACS8520T Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
REACH Status: REACH Unaffected
Lead Free: Lead (Pb)-free version available

ACS8520T Features

  • Single-chip SETS for SONET/SDH networks.
  • Accepts up to 14 input reference clocks.
  • Generates 9 output clocks and 2 sync outputs.
  • Programmable PLL bandwidth from 0.1 Hz to 70 Hz.
  • 100-LQFP surface mount package.

ACS8520T Applications

  • Suitable for Stratum 3/4E/4 equipment clocks.
  • Used in SONET/SDH network elements.
  • Ideal for BITS/SSU clock generation.
  • Supports recovered line clock synchronization.

ACS8520T FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the ACS8520T?

The supply voltage range is 3 V to 3.6 V, with a nominal 3.3 V.

What package does the ACS8520T come in?

It is available in a 100-LQFP (14x14 mm) package.

What is the operating temperature range?

The operating temperature range is -40°C to 85°C.

Is the ACS8520T RoHS compliant?

Yes, it is RoHS3 compliant and lead-free.

What is the main purpose of the ACS8520T?

It is designed for SONET/SDH timing applications.

Does the ACS8520T include a PLL?

Yes, it has a built-in PLL.

How many input references and output clocks does it support?

It accepts 14 input reference clocks and generates 9 output clocks plus 2 sync outputs.

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