SY89823LHZ

更新时间： 2024-10-01 04:30:07

品牌	Logo	应用领域
麦瑞 - MICREL		逻辑集成电路驱动
页数	文件大小	规格书
8页	122K
描述
3.3V, 500MHz 1:22 DIFFERENTIAL HSTL (1.5V) FANOUT BUFFER/TRANSLATOR

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SY89823LHZ 数据手册

Precision Edge^®

3.3V, 500MHz 1:22

DIFFERENTIAL HSTL (1.5V)

FANOUT BUFFER/TRANSLATOR

Micrel, Inc.

SY89823L

Precision Edge

SY89823L

FEATURES

■ 22 differential HSTL (low-voltage swing) output pairs

Precision Edge

■ HSTL outputs drive 50Ω to ground with no offset

voltage

DESCRIPTION

■ 3.3V core supply, 1.8V output supply for reduced

power

The SY89823L is a high-performance bus clock driver with 22

differential High-Speed Transceiver Logic (HSTL), 1.5V compatible

output pairs. The device is designed for use in low-voltage (3.3V/

1.8V) applications that require a large number of outputs to drive

precisely aligned, ultra-low skew signals to their destination. The

input is multiplexed from either HSTL or Low-Voltage Positive-

Emitter-Coupled Logic (LVPECL) by the CLK_SEL pin.

■ LVPECL and HSTL inputs

■ Low part-to-part skew (200ps max.)

■ Low pin-to-pin skew (50ps max.)

■ Triple-buffered output enable (OE)

■ –40°C to +85°C temperature range

■ Available in a 64-pin EPAD-TQFP

The Output Enable (OE) is synchronous and triple-buffered so

that the outputs will only be enabled/disabled when they are already

in the LOW state. This avoids any potential of generating a runt clock

pulse when the device is enabled/disabled, as can occur with an

asynchronous control. The triple-buffering feature provides a three-

clock delay from the time the OE input is asserted/de-asserted to

when the clock appears at the outputs.

APPLICATIONS

■ High-performance PCs

■ Workstations

The SY89823L features low pin-to-pin skew (50ps max.) and low

part-to-partskew (200psmax.),performancepreviouslyunachievable

in a standard product having such a high number of outputs. The

SY89823L is available in a single, space-saving package, enabling

a lower overall cost solution.

■ Parallel processor-based systems

■ Other high-performance computing

■ Communications

All support documentation can be found on Micrel’s web site at:

www.micrel.com.

LOGIC SYMBOL

TRUTH TABLE

OE⁽¹⁾

CLK_SEL

Q₀-Q₂₁

LOW

/Q₀-/Q₂₁

HIGH

CLK_SEL

HSTL_CLK

/HSTL_CLK

LOW

HIGH

HSTL_CLK

LVPECL_CLK

/HSTL_CLK

/LVPECL_CLK

Q0 - Q21

/Q0 - /Q21

LVPECL_CLK

Note:

1. The output enable (OE) signal is synchronized with the low level of the

/LVPECL_CLK

HSTL_CLK and LVPECL_CLK signal.

ENABLE

LOGIC

TYPICAL PERFORMANCE

Output Amplitude

vs. Frequency

900

800

700

600

500

400

300

200

100

0.2 0.4 0.6 0.8

1 1.2 1.4 1.6

OUTPUT FREQUENCY (GHz)

Precision Edge is a registered trademark of Micrel, Inc.

Rev.: C

Amendment: /0

M9999-011907

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

Issue Date: January 2007

12 3 4 5 6 7 8

中文翻译

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与SY89823LHZ相关器件

型号	品牌	获取价格	描述	数据表
SY89823LHZTR	MICREL	获取价格	3.3V, 500MHz 1:22 DIFFERENTIAL HSTL (1.5V) FANOUT BUFFER/TRANSLATOR
SY89824L	MICREL	获取价格	3.3V 1:22 HIGH-PERFORMANCE, LOW VOLTAGE BUS CLOCK DRIVER
SY89824L	MICROCHIP	获取价格	The SY89824L is a High Performance Bus Clock Driver with 22 differential HSTL (High Speed
SY89824L_07	MICREL	获取价格	3.3V 1:22 HIGH-PERFORMANCE, LOW VOLTAGE BUS CLOCK DRIVER
SY89824LHC	MICREL	获取价格	3.3V 1:22 HIGH-PERFORMANCE, LOW VOLTAGE BUS CLOCK DRIVER
SY89824LHCTR	MICREL	获取价格	3.3V 1:22 HIGH-PERFORMANCE, LOW VOLTAGE BUS CLOCK DRIVER
SY89824LHHTR	MICREL	获取价格	Low Skew Clock Driver, 89824 Series, 22 True Output(s), 0 Inverted Output(s), PQFP64, LEAD
SY89824LHZ	MICREL	获取价格	3.3V 1:22 HIGH-PERFORMANCE, LOW VOLTAGE BUS CLOCK DRIVER
SY89824LHZTR	MICREL	获取价格	3.3V 1:22 HIGH-PERFORMANCE, LOW VOLTAGE BUS CLOCK DRIVER
SY89824LTC	ETC	获取价格	Industrial Control IC

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