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CDC318A The Texas Instruments CDC318A is a high-speed, low-skew clock buffer designed for synchronous DRAM clock buffering applications. It distributes one input clock signal to 18 outputs.
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CDC318A

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments CDC318A is a high-speed, low-skew clock buffer designed for synchronous DRAM clock buffering applications. It distributes one input clock signal to 18 outputs.
✓ Total Stock: 65,221 pcs
$ Price Range: $3.00

CDC318A Available from 1 distributor

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✓ Non-Authorised
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Flip Electronics ✓
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65,221 pcs
On Request
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DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

CDC318A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
ESD Protection
Frequency
Input Type
Number of Outputs
Operating Temperature
Output Type
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CDC318A Description

Short technical summary and product information.

The Texas Instruments CDC318A is a high-performance clock buffer engineered for distributing high-speed clocks in PC applications. This device takes a single input clock signal and distributes it to 18 outputs with minimal skew, making it ideal for Synchronous DRAM (SDRAM) clock buffering.

 

The CDC318A operates from a 3.3V power supply and features an output skew of less than 250 ps and a pulse skew of less than 500 ps. It supports up to four unbuffered SDRAM Dual Inline Memory Modules (DIMMs). The device includes an I2C serial interface for individual enable control of each output, offering flexibility in device management. It operates at frequencies up to 100 MHz and provides ESD protection exceeding 2000V per MIL-STD-883, Method 3015.

 

Designed with optimized EMI performance in mind, the CDC318A may reduce the need for damping resistors in certain application layouts. The device is packaged in a 48-pin Shrink Small Outline (DL) package, suitable for various PC board designs. Its distributed VCC and ground pins help minimize switching noise, contributing to signal integrity.

CDC318A Quick Information

Product Type: Clock Buffer
Canonical Name: CDC318A 1-to-18 Clock Buffer
Subcategory: Clock Driver

CDC318A Compliance

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

CDC318A Estimated Pricing

Qty Low High
1+ $3.00 $3.00

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

CDC318A Features

  • 1-to-18 high-speed clock distribution
  • Low output skew of 250 ps
  • 3.3V core and output supply voltage
  • I2C serial interface for output control
  • 100 MHz operation

CDC318A Applications

  • SDRAM clock buffering
  • High-speed clock distribution
  • PC applications
  • Memory module synchronization

CDC318A FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating supply voltage of the CDC318A?

The nominal operating supply voltage is 3.3 V.

What is the operating temperature range of the CDC318A?

The operating temperature range is 0°C to 70°C.

What is the maximum output skew of the CDC318A?

The maximum output skew is 250 ps.

How many outputs does the CDC318A provide?

The CDC318A provides 18 LVTTL outputs.

What is the maximum pulse skew of the CDC318A?

The maximum pulse skew is 500 ps.

What package is the CDC318A available in?

The CDC318A is available in a 48-pin Shrink Small Outline (DL) package.

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