SY89829UHITR datasheet, PDF - EEWORLD Datasheet

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SY89829UHITR: Description2.5V/3.3V HIGH-PERFORMANCE, DUAL 1:10 OR LVPECL CLOCK DRIVER w/ INTERNAL TERMINATION AND REDUNDANT SWITCHOVER; Categorylogic logic; File Size74KB，10 Pages; ManufacturerMicrochip; Websitehttps://www.microchip.com

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SY89829UHITR Overview

2.5V/3.3V HIGH-PERFORMANCE, DUAL 1:10 OR LVPECL CLOCK DRIVER w/ INTERNAL TERMINATION AND REDUNDANT SWITCHOVER

SY89829UHITR Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	Microchip
Parts packaging code	QFP
package instruction	TQFP-64
Contacts	64
Reach Compliance Code	_compli
series	89829
Input adjustment	DIFFERENTIAL MUX
JESD-30 code	S-PQFP-G64
JESD-609 code	e0
length	10 mm
Logic integrated circuit type	LOW SKEW CLOCK DRIVER
Humidity sensitivity level	3
Number of functions	1
Number of inverted outputs
Number of terminals	64
Actual output times	20
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	HTFQFP
Encapsulate equivalent code	TQFP64,.47SQ
Package shape	SQUARE
Package form	FLATPACK, HEAT SINK/SLUG, THIN PROFILE, FINE PITCH
Peak Reflow Temperature (Celsius)	240
power supply	2.5/3.3 V
Prop。Delay @ Nom-Su	1.7 ns
propagation delay (tpd)	1.7 ns
Certification status	Not Qualified
Same Edge Skew-Max（tskwd）	0.035 ns
Maximum seat height	1.2 mm
Maximum supply voltage (Vsup)	3.6 V
Minimum supply voltage (Vsup)	2.37 V
Nominal supply voltage (Vsup)	2.5 V
surface mount	YES
Temperature level	INDUSTRIAL
Terminal surface	Tin/Lead (Sn85Pb15)
Terminal form	GULL WING
Terminal pitch	0.5 mm
Terminal location	QUAD
Maximum time at peak reflow temperature	30
width	10 mm
minfmax	1000 MHz

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Micrel, Inc.

2.5V/3.3V HIGH-PERFORMANCE, DUAL 1:10

SY89829U

Precision Edge

OR LVPECL CLOCK DRIVER w/ INTERNAL

SY89829U

TERMINATION AND REDUNDANT SWITCHOVER

Precision Edge

FEATURES

Dual 1:10 fanout buffer/translator

Accepts LVPECL or LVDS inputs

Multiplexed inputs ideal for redundant clock

Precision Edge

switchover

Guaranteed AC parameters:

• > 2GHz f

MAX

(toggle)

• < 50ps ch-ch skew

LVDS input includes 100Ω internal termination

Ω

Low supply voltage: 2.5V, 3.3V

–40

C to +85

C temperature range

Output enable (OE) pin

Available in 64 EPAD-TQFP

DESCRIPTION

The SY89829U is a High Performance dual 1:10 or

single 1:20 LVPECL Clock Driver. The part is designed for

use in low voltage (2.5V/3.3V) applications which require a

large number of outputs to drive precisely aligned, ultra low

skew signals to their destination. The input is multiplexed

from either LVDS or LVPECL by the CLK_SEL pin. The

LVDS inputs include a 100Ω internal termination across

the input pair, thus eliminating any need for external

termination. The 2:1 input mux makes this device an ideal

choice for redundant clock applications that need to switch

between two reference clocks. The output enable (OE) is

synchronous so that the outputs will only be enabled/

disabled when they are already in the LOW state. This

eliminates any chance of generating a runt clock pulse

when the device is enabled/disabled as can happen with an

asynchronous control.

The SY89829U features low pin-to-pin skew (50ps max.)

and low part-to-part skew (200ps max.)—performance

previously unachievable in a standard product having such

a high number of outputs. The SY89829U is available in a

single space saving package which provides a lower overall

cost solution. In addition, a single chip solution improves

timing budgets by eliminating the multiple device solution

with their corresponding large part-to-part skew.

APPLICATIONS

High-performance PCs

Workstations

Parallel processor-based systems

Other high-performance computing

Communications

Redundant LVPECL or LVDS bus clock switchover

Precision Edge is a registered trademark of Micrel, Inc.

M9999-011907

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

Rev.: D

Amendment: /0

Issue Date: January 2007

SY89829UHITR Related Products

	SY89829UHITR	SY89829UHI	SY89829U	SY89829UHYTR
Description	2.5V/3.3V HIGH-PERFORMANCE, DUAL 1:10 OR LVPECL CLOCK DRIVER w/ INTERNAL TERMINATION AND REDUNDANT SWITCHOVER	2.5V/3.3V HIGH-PERFORMANCE, DUAL 1:10 OR LVPECL CLOCK DRIVER w/ INTERNAL TERMINATION AND REDUNDANT SWITCHOVER	2.5V/3.3V HIGH-PERFORMANCE, DUAL 1:10 OR LVPECL CLOCK DRIVER w/ INTERNAL TERMINATION AND REDUNDANT SWITCHOVER	2.5V/3.3V HIGH-PERFORMANCE, DUAL 1:10 OR LVPECL CLOCK DRIVER w/ INTERNAL TERMINATION AND REDUNDANT SWITCHOVER
Is it Rohs certified?	incompatible	incompatible	-	conform to
Parts packaging code	QFP	QFP	-	QFP
package instruction	TQFP-64	TQFP-64	-	HTFQFP,
Contacts	64	64	-	64
Reach Compliance Code	_compli	_compli	-	compli
series	89829	89829	-	89829
Input adjustment	DIFFERENTIAL MUX	DIFFERENTIAL MUX	-	DIFFERENTIAL MUX
JESD-30 code	S-PQFP-G64	S-PQFP-G64	-	S-PQFP-G64
JESD-609 code	e0	e0	-	e3
length	10 mm	10 mm	-	10 mm
Logic integrated circuit type	LOW SKEW CLOCK DRIVER	LOW SKEW CLOCK DRIVER	-	LOW SKEW CLOCK DRIVER
Humidity sensitivity level	3	3	-	3
Number of functions	1	1	-	1
Number of terminals	64	64	-	64
Actual output times	20	20	-	20
Maximum operating temperature	85 °C	85 °C	-	85 °C
Minimum operating temperature	-40 °C	-40 °C	-	-40 °C
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	-	PLASTIC/EPOXY
encapsulated code	HTFQFP	HTFQFP	-	HTFQFP
Package shape	SQUARE	SQUARE	-	SQUARE
Package form	FLATPACK, HEAT SINK/SLUG, THIN PROFILE, FINE PITCH	FLATPACK, HEAT SINK/SLUG, THIN PROFILE, FINE PITCH	-	FLATPACK, HEAT SINK/SLUG, THIN PROFILE, FINE PITCH
Peak Reflow Temperature (Celsius)	240	240	-	260
propagation delay (tpd)	1.7 ns	1.7 ns	-	1.7 ns
Certification status	Not Qualified	Not Qualified	-	Not Qualified
Same Edge Skew-Max（tskwd）	0.035 ns	0.035 ns	-	0.035 ns
Maximum seat height	1.2 mm	1.2 mm	-	1.2 mm
Maximum supply voltage (Vsup)	3.6 V	3.6 V	-	3.6 V
Minimum supply voltage (Vsup)	2.37 V	2.37 V	-	2.37 V
Nominal supply voltage (Vsup)	2.5 V	2.5 V	-	2.5 V
surface mount	YES	YES	-	YES
Temperature level	INDUSTRIAL	INDUSTRIAL	-	INDUSTRIAL
Terminal surface	Tin/Lead (Sn85Pb15)	Tin/Lead (Sn85Pb15)	-	Matte Tin (Sn)
Terminal form	GULL WING	GULL WING	-	GULL WING
Terminal pitch	0.5 mm	0.5 mm	-	0.5 mm
Terminal location	QUAD	QUAD	-	QUAD
Maximum time at peak reflow temperature	30	30	-	40
width	10 mm	10 mm	-	10 mm
minfmax	1000 MHz	1000 MHz	-	1000 MHz

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