SY10EL38 MICREL [Micrel Semiconductor], SY10EL38 Datasheet

SY10EL38

Manufacturer Part Number

SY10EL38

Description

Manufacturer

MICREL [Micrel Semiconductor]

Datasheet

1.SY10EL38.pdf (6 pages)

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Micrel, Inc.

Precision Edge is a registered trademark of Micrel, Inc.

M9999-031006

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

FEATURES

3.3V and 5V power supply options

50ps output-to-output skew

Synchronous enable/disable

Master Reset for synchronization

Internal 75K input pull-down resistors

Available in 20-pin SOIC package

5V/3.3V 2, 4/6 CLOCK

GENERATION CHIP

generation chips designed explicitly for low skew clock

generation applications. The internal dividers are

synchronous to each other, therefore, the common output

edges are all precisely aligned. The devices can be driven

by either a differential or single-ended ECL or, if positive

power supplies are used, PECL input signal. In addition,

by using the V

coupled into the device. If a single-ended input is to be

used, the V

input and bypassed to ground via a 0.01 F capacitor.

The V

reference for the input of the EL38/L under single-ended

input conditions. As a result, this pin can only source/

sink up to 0.5mA of current.

internal dividers will only be enabled/disabled when the

internal clock is already in the LOW state. This avoids

any chance of generating a runt clock pulse on the

internal clock when the device is enabled/disabled as

can happen with an asynchronous control. An internal

runt pulse could lead to losing synchronization between

the internal divider stages. The internal enable flip-flop is

clocked on the falling edge of the input clock, therefore,

all associated specification limits are referenced to the

negative edge of the clock input.

whenever the

transitioning from a LOW to a HIGH. This output allows

for clock synchronization within the system.

random state; the master reset (MR) input allows for the

synchronization of the internal dividers, as well as for

multiple EL38/Ls in a system.

DESCRIPTION

The SY10/100EL38/L are low skew

The common enable (EN) is synchronous so that the

The Phase_Out output will go HIGH for one clock cycle

Upon start-up, the internal flip-flops will attain a

output is designed to act as the switching

output should be connected to the CLK

output, a sinusoidal source can be AC-

2 and the

4/6 outputs are both

Precision Edge

SY100EL38/L

Precision Edge

Rev.: G

Issue Date: March 2006

SY10EL38/L

Precision Edge

SY100EL38/L

SY10EL38/L

Amendment: /0

4/6 clock

Related parts for SY10EL38

SY10EL38 Summary of contents

Page 1

... EL38/ system. 1 ® Precision Edge SY10EL38/L ® Precision Edge SY100EL38/L SY10EL38/L SY100EL38/L ® Precision Edge 2, 4/6 clock 4/6 outputs are both Rev.: G Amendment: /0 Issue Date: March 2006 ...

... Industrial SY10EL38LZI Industrial SY10EL38LZI Industrial SY100EL38LZI Industrial SY100EL38LZI Industrial SY10EL38LZG with Pb-Free bar-line indicator NiPdAu Industrial SY10EL38LZG with Pb-Free bar-line indicator NiPdAu Industrial SY100EL38LZG with Pb-Free bar-line indicator NiPdAu Industrial SY100EL38LZG with Pb-Free bar-line indicator NiPdAu = Electricals only. A ® Lead ...

Page 3

... Q Q OUTPUTS 2, 3 Divide by 4 Divide + + Min. Typ. Max. Min. Typ. Max. 35 — — — — 75 -1.35 — -1.25 -1.31 — -1.19 -1.38 — -1.26 -1.38 — -1.26 — — 150 — — 150 -4.2V to -5.5V. -4.75V to -5.5V. -3.0V to -3.8V. ® SY10EL38/L 0–3 Unit ...

Page 4

... The numbers in the spec table EE (min)I. CMR ® SY10EL38/L SY100EL38/L — MHz ps 1250 1300 900 200 240 — ps — — ps — — mV –0.4 V ...

Page 5

... CLK EN MR DIVSEL TIMING DIAGRAMS CLK Q (÷ (÷ (÷ 6) Phase_Out(÷ 4) Phase_Out(÷ 6) M9999-031006 hbwhelp@micrel.com or (408) 955-1690 (÷ (÷ 4/6) R Phase Out Logic R 5 ® Precision Edge SY10EL38/L SY100EL38 Phased_Out Phased_Out ...

Page 6

... Micrel Products for use in life support appliances, devices or systems is at Purchaser’s own risk and Purchaser agrees to fully indemnify M9999-031006 hbwhelp@micrel.com or (408) 955-1690 + 1 (408) 474-1000 FAX WEB Micrel for any damages resulting from such use or sale. © 2006 Micrel, Incorporated. 6 Precision Edge SY100EL38/L Rev. 03 http://www.micrel.com ® SY10EL38/L ...

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SY10EL38 MICREL [Micrel Semiconductor], SY10EL38 Datasheet

SY10EL38

Related parts for SY10EL38

SY10EL38 Summary of contents

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