SY100EP195V 查看數據表（PDF） - Micrel

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SY100EP195V

3.3V/5V 2.5GHz PROGRAMMABLE DELAY

Micrel 

Micrel, Inc.

3.3V/5V 2.5GHz

PROGRAMMABLE DELAY

ECL Pro®

ESCYL100PErPo1®95V

SY100EP195V

FEATURES

■ Pin-for-pin, plug-in compatible to the ON

Semiconductor MC100EP195

■ Maximum frequency > 2.5GHz

■ Programmable range: 2.2ns to 12.2ns

■ 10ps increments

■ PECL mode operating range: VCC = 3.0V to 5.5V

with VEE = 0V

■ NECL mode operating range: VCC = 0V

with VEE = –3.0V to –5.5V

■ Open input default state

■ Safety clamp on inputs

■ A logic high on the /EN pin will force Q to logic low

■ D[0:10] can accept either ECL, CMOS, or TTL inputs

■ VBB output reference voltage

■ Available in a 32-pin TQFP package

ECL Pro®

DESCRIPTION

The SY100EP195V is a programmable delay line, varying

the time a logic signal takes to traverse from IN to Q. This

delay can vary from about 2.2ns to about 12.2ns. The input

can be PECL, LVPECL, NECL, or LVNECL.

The delay varies in discrete steps based on a control

word presented to SY100EP195V. The 10-bit width of this

latched control register allows for delay increments of

approximately 10ps.

An eleventh control bit allows the cascading of multiple

SY100EP195V devices, for a wider delay range. Each

additional SY100EP195V effectively doubles the delay range

available.

For maximum flexibility, the control register interface

accepts CMOS or TTL level signals, as well as the input

level at the IN± pins.

All support documentation can be found on Micrel’s web

site at: www.micrel.com.

APPLICATIONS

■ Clock de-skewing

■ Timing adjustment

■ Aperture centering

CROSS REFERENCE TABLE

Micrel Semiconductor

SY100EP195VTI

SY100EP195VTITR

ON Semiconductor

MC100EP195FA

MC100EP195FAR2

TYPICAL APPLICATIONS CIRCUIT

Data Signal

of Unknown Phase

CLOCK+

CLOCK–

SY100EP195V

IN

Q

/IN

/Q

D[9:0]

CONTROL

LOGIC

D

Q+

Flip-Flop

CK

Q–

ECL Pro is a registered trademark of Micrel, Inc.

M9999-120505

hbwhelp@micrel.com or (408) 955-1690

TYPICAL PERFORMANCE

12000

Delay vs. Tap

10000

8000

6000

4000

2000

0

0 200 400 600 800 1000 1200

TAP (DIGITAL WORD)

Rev.: D Amendment: /0

1

Issue Date: December 2005

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