Datasheet > 8344AYI-01LF

8344AYI-01LF

更新时间： 2024-09-17 08:08:39

品牌	Logo	应用领域
艾迪悌 - IDT		/
页数	文件大小	规格书
15页	758K
描述
Low Skew, 1-to-24 Differential-to-LVCMOS/LVTTL Fanout Buffer

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8344AYI-01LF 数据手册

Low Skew, 1-to-24

Differential-to-LVCMOS/LVTTL Fanout Buffer

ICS8344I-01

DATA SHEET

General Description

Features

The ICS8344I-01 is a low voltage, low skew fanout buffer. The

ICS8344I-01 has two selectable clock inputs. The CLKx, nCLKx

pairs can accept most standard differential input levels. The

ICS8344I-01 is designed to translate any differential signal level to

LVCMOS/LVTTL levels. The low impedance LVCMOS/LVTTL

outputs are designed to drive 50Ω series or parallel terminated

transmission lines. The effective fanout can be increased to 48 by

utilizing the ability of the outputs to drive two series terminated lines.

Redundant clock applications can make use of the dual clock inputs

which also facilitate board level testing. The clock enable is internally

synchronized to eliminate runt pulses on the outputs during

asynchronous assertion/deassertion of the clock enable pin. The

outputs are driven low when disabled. The ICS8344I-01 is

characterized at full 3.3V, full 2.5V and mixed 3.3V input and 2.5V

output operating supply modes.

• Twenty-four LVCMOS/LVTTL outputs,

7Ω typical output impedance

• Two selectable differential CLKx, nCLKx inputs

• CLK0, nCLK0 and CLK1, nCLK1 pairs can accept the following

input levels: LVDS, LVPECL, LVHSTL, HCSL

• Maximum output frequency: 100MHz

• Translates any single ended input signal to LVCMOS/LVTTL

with resistor bias on nCLK input

• Synchronous clock enable

• Additive phase jitter, RMS: 0.21ps (typical)

• Output skew: 200ps (maximum)

• Part-to-part skew: 900ps (maximum)

• Bank skew: 180ps (maximum)

• Propagation delay: 5ns (maximum)

Guaranteed output and part-to-part skew characteristics make the

ICS8344I-01 ideal for those clock distribution applications

demanding well defined performance and repeatability.

• Output supply modes:

Core/Output

3.3V/3.3V

2.5V/2.5V

3.3V/2.5V

• -40°C to 70°C ambient operating temperature

• Available in lead-free (RoHS 6) package

Pin Assignment

Block Diagram

Pulldown

CLK_SEL

Pulldown

CLK0

nCLK0

48 47 46 45 44 43 42 41 40 39 38 37

Pullup

Q16

Q17

V^DDO

GND

Q18

Pulldown

CLK1

Pullup

V^DDO

GND

nCLK1

Q[0:7]

32 Q5

Q19

Q20

Q[8:15]

Q21

V^DDO

GND

V^DDO

GND

Q[16:23]

Q22 11

Q23

13 14 15 16 17 18 19 20 21 22 23 24

Pullup

CLK_EN

ICS8344I-01

48-Lead LQFP

7mm x 7mm x 1.4mm package body

Y Package

Top View

ICS8344AYI-01 REVISION A FEBRUARY 29, 2012

12 3 4 5 6 7...15

中文翻译

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8344AYI-01LF 替代型号

型号	品牌	替代类型	描述	数据表
8344BYLFT	IDT	完全替代	LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER
8344AY-01LF	IDT	完全替代	LOW SKEW, 1-TO-24 DIFFERENTIALTO-LVCMOS/LVTTL FANOUT BUFFER

与8344AYI-01LF相关器件

型号	品牌	获取价格	描述	数据表
8344AYI-01T	IDT	获取价格	Low Skew Clock Driver, CMOS, PQFP48
8344BY	IDT	获取价格	LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER
8344BYI	IDT	获取价格	Low Skew Clock Driver, 8344 Series, 24 True Output(s), 0 Inverted Output(s), PQFP48, 7 X 7
8344BYIT	IDT	获取价格	Low Skew Clock Driver, 8344 Series, 24 True Output(s), 0 Inverted Output(s), PQFP48, 7 X 7
8344BYLF	IDT	获取价格	LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER
8344BYLFT	IDT	获取价格	LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER
8344BYT	IDT	获取价格	LOW SKEW, 1-TO-24 DIFFERENTIAL-TO-LVCMOS FANOUT BUFFER
8345-B	ETAL	获取价格	In the business fields Communication and Transport: power supplies, switchgear, instrument
8345-B01A-P0	ETAL	获取价格	In the business fields Communication and Transport: power supplies, switchgear, instrument
8345-B01A-P3	ETAL	获取价格	In the business fields Communication and Transport: power supplies, switchgear, instrument

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