ICS853S12 datasheet(1/18 Pages) RENESAS

Part #	ICS853S12

Description	LOW SKEW, 1-TO-12, DIFFERENTIAL-TO- 3.3V, 2.5V LVPECL FANOUT BUFFER

PDF	18 Pages

Scroll/Zoom	100%

Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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LOW SKEW, 1-TO-12, DIFFERENTIAL-TO-

3.3V, 2.5V LVPECL FANOUT BUFFER

ICS853S12I

IDT™ / ICS™ LVPECL FANOUT BUFFER

1

ICS853S12AKI REV. A MAY 21, 2008

GENERAL DESCRIPTION

The ICS853S12I is a low skew, 1-to-12 Differential-

to-3.3V, 2.5V LVPECL Fanout Buffer and a member

of the HiPerClockS™ family of High Performance

Clock Solutions from IDT. The PCLK, nPCLK pair

accepts LVPECL, CML, and SSTL differential input

levels. The high gain differential amplifier accepts peak-to-peak

input voltages as small as 150mV, as long as the common mode

voltage is within the specified minimum and maximum range.

Guaranteed output and part-to-part skew characteristics make

the ICS853S12I ideal for those clock distribution applications

demanding well defined performance and repeatability.

FEATURES

• Twelve differential 3.3V, 2.5V LVPECL outputs

• PCLK, nPCLK input pair

• PCLK, nPCLK pair can accept the following differential

input levels: LVPECL, CML, SSTL

• Maximum output frequency: 1.5GHz

• Translates any single-ended input signal to 2.5V or 3.3V

LVPECL levels with a resistor bias on nPCLK input

• Additive phase jitter, RMS: 0.06ps (typical)

• Output skew: 50ps (maximum)

• Part-to-part skew: 250ps (maximum)

• Propagation delay: 680ps (maximum)

• Full 3.3V or 2.5V operating supply modes

• -40°C to 85°C ambient operating temperature

• Available in lead-free (RoHS 6) package

BLOCK DIAGRAM

PIN ASSIGNMENT

HiPerClockS™

ICS

24

23

22

21

20

19

18

17

nQ7

Q7

nQ6

Q6

nQ5

Q5

nQ4

Q4

Q11

nQ11

VEE

PCLK

nPCLK

VEE

Q0

nQ0

ICS853S12I

32-Lead VFQFN

5mm x 5mm x 0.925mm

package body

K Package

Top View

32 31 30 29 28 27 26 25

9 10 11 12 13 14 15 16

1

2

3

4

5

6

7

8

PCLK

nPCLK

Q0

nQ0

Q1

nQ1

Q2

nQ2

Q3

nQ3

Q4

nQ4

Q5

nQ5

Q11

nQ11

Q10

nQ10

Q9

nQ9

Q8

nQ8

Q7

nQ7

Q6

nQ6

Pullup/Pulldown

Pulldown

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