Datasheet > EDGE629

EDGE629

更新时间： 2024-11-29 06:55:55

品牌	Logo	应用领域
商升特 - SEMTECH		/
页数	文件大小	规格书
16页	114K
描述
1 GHz Timing Deskew and Quad Fanout Element

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EDGE629 数据手册

Edge629

1 GHz Timing Deskew and Quad

Fanout Element

TEST AND MEASUREMENT PRODUCTS

Featur es

Description

•

Fmax ≥ 1 GHz

The Edge629 is a monolithic timing delay and signal fanout

solution manufactured in a high-performance bipolar pro-

cess. In Automatic Test Equipment (ATE) applications, the

Edge629 buffers, distributes, and aligns timing signals

across multiple channels (typically found inside Memory

Test Systems). It is also suitable for per pin deskew in

Logic Testers.

Independent Falling Edge Adjust

Small Footprint (10 mm x 10 mm)

Excellent Timing Accuracy

Very Stable Timing Delays

5 ps Resolution

ECL, CMOS Compatible Inputs

The Edge629 supports:

•

Minimum pulse width = 330 ps with Falling

Edge Adjust disabled, 500 ps with Falling

Edge Adjust enabled

•

Net usable delay span ≥ 4.0 ns

Falling Edge Adjust ± 250 ps

On Board DACs to generate 5 ps resolution

With a maximum operating frequency of 1 GHz, the

Edge629 is optimized for extremely high speed, high ac-

curacy testers, particularly those aimed to test memory

devices.

Functional Block Diagram

The Edge629 solves several difficult problems associated

with aligning multiple timing signals because it can:

IN0 / IN0*

•

delay very narrow pulses over a long

timing span

adjust the falling edge independently from the overall

propagation delay

maintain extreme timing accuracy for very narrow

(sub-ns) pulses

maintain tight timing accuracy over changes in

frequency, duty cycle, and pattern.

∆T–

∆T

OUT0 / OUT0*

OUT1 / OUT1*

OUT2 / OUT2*

OUT3 / OUT3*

IN / IN*

Coarse

Fine

IN1/ IN1*

∆T

Coarse

Fine

IN2 / IN2*

∆T

Coarse

Fine

Applications

IN3 / IN3*

SEL / SEL*

•

Memory Test Equipment

– Data Fanout

– Channel Deskew

Logic Testers

– Per Pin Deskew

Clock / Signal Fanout

∆T

Coarse

Fine

•

www .semtech.com

Revision 3 / August 1, 2005

12 3 4 5 6 7...16

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