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Datasheet > ICS87949AY-01LF
ICS87949AY-01LF PDF预览

ICS87949AY-01LF

更新时间： 2024-11-17 19:43:03
品牌 Logo 应用领域
艾迪悌 - IDT 驱动逻辑集成电路
页数 文件大小 规格书
13页 159K
描述
Low Skew Clock Driver, 15 True Output(s), 0 Inverted Output(s), PQFP48, 7 X 7 MM, 1.40 MM HEIGHT, MS-026, LQFP-48

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ICS87949AY-01LF 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：QFP
包装说明：LFQFP,针数：48
Reach Compliance Code：compliantHTS代码：8542.39.00.01
风险等级：5.11输入调节：DIFFERENTIAL MUX
JESD-30 代码：S-PQFP-G48JESD-609代码：e3
长度：7 mm逻辑集成电路类型：LOW SKEW CLOCK DRIVER
湿度敏感等级：3功能数量：1
反相输出次数：端子数量：48
实输出次数：15最高工作温度：70 °C
最低工作温度：封装主体材料：PLASTIC/EPOXY
封装代码：LFQFP封装形状：SQUARE
封装形式：FLATPACK, LOW PROFILE, FINE PITCH峰值回流温度（摄氏度）：260
认证状态：Not QualifiedSame Edge Skew-Max（tskwd）：0.2 ns
座面最大高度：1.6 mm最大供电电压 (Vsup)：3.465 V
最小供电电压 (Vsup)：3.135 V标称供电电压 (Vsup)：3.3 V
表面贴装：YES温度等级：COMMERCIAL
端子面层：MATTE TIN端子形式：GULL WING
端子节距：0.5 mm端子位置：QUAD
处于峰值回流温度下的最长时间：30宽度：7 mm
Base Number Matches：1

ICS87949AY-01LF 数据手册

 浏览型号ICS87949AY-01LF的Datasheet PDF文件第2页浏览型号ICS87949AY-01LF的Datasheet PDF文件第3页浏览型号ICS87949AY-01LF的Datasheet PDF文件第4页浏览型号ICS87949AY-01LF的Datasheet PDF文件第5页浏览型号ICS87949AY-01LF的Datasheet PDF文件第6页浏览型号ICS87949AY-01LF的Datasheet PDF文件第7页 
PRELIMINARY  
ICS87949-01  
Integrated  
Circuit  
Systems, Inc.  
LOW SKEW  
÷1, ÷2  
CLOCK GENERATOR  
GENERAL DESCRIPTION  
FEATURES  
The ICS87949-01 is a low skew, ÷1, ÷2 Clock • 15 single ended LVCMOS outputs, 7Ω typical output  
,&6  
Generator and a member of the HiPerClockS™  
family of High Performance Clock Solutions from  
ICS. The ICS87949-01 has selectable single  
ended clock or LVPECL clock inputs. The single  
impedance  
HiPerClockS™  
• Selectable LVCMOS or LVPECL clock inputs  
• CLK0 and CLK1 can accept the following input levels:  
LVCMOS and LVTTL  
ended clock input accepts LVCMOS or LVTTL input levels.  
The PCLK, nPCLK pair can accept LVPECL, CML, or SSTL  
input levels. The low impedance LVCMOS outputs are de-  
signed to drive 50Ω series or parallel terminated transmis-  
sion lines. The effective fanout can be increased from 15 to  
30 by utilizing the ability of the outputs to drive two series  
terminated lines.  
• PCLK, nPCLK supports the following input types:  
LVPECL, CML, SSTL  
• Maximum input frequency: 250MHz  
• Output skew: 200ps (maximum)  
• Part-to-part skew: 500ps (typical)  
The divide select inputs, DIV_SELx, control the output frequency  
of each bank. The outputs can be utilized in the ÷1, ÷2 or a  
combination of ÷1 and ÷2 modes. The master reset input, MR/  
nOE, resets the internal frequency dividers and also controls  
the active and high impedance states of all outputs.  
• Multiple frequency skew: 350ps (maximum)  
• 3.3V input, outputs may be either 3.3V or 2.5V supply modes  
• 0°C to 70°C ambient operating temperature  
• Industrial temperature information available upon request  
The ICS87949-01 is characterized at 3.3V core/3.3V output and  
3.3V core/ 2.5V output. Guaranteed bank, output and part-to-  
part skew characteristics make the ICS87949-01 ideal for those  
clock distribution applications demanding well defined perfor-  
mance and repeatability.  
• Functionally compatible to the MPC949 in a smaller footprint  
requiring less board space  
BLOCK DIAGRAM  
PIN ASSIGNMENT  
CLK_SEL  
0
1
CLK0  
CLK1  
÷1  
÷2  
0
1
48 47 46 45 44 43 42 41 40 39 38 37  
1
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
MR/nOE  
CLK_SEL  
VDD  
nc  
R
PCLK  
nPCLK  
2
GND  
QC0  
VDDC  
QC1  
GND  
QC2  
VDDC  
QC3  
GND  
GND  
QD5  
3
0
1
4
CLK0  
QA0 - QA1  
QB0 - QB2  
QC0 - QC3  
PCLK_SEL  
DIV_SELA  
5
CLK1  
6
PCLK  
ICS87949-01  
7
nPCLK  
0
1
8
PCLK_SEL  
DIV_SELA  
DIV_SELB  
DIV_SELC  
DIV_SELD  
9
10  
11  
12  
DIV_SELB  
DIV_SELC  
0
1
13 14 15 16 17 18 19 20 21 22 23 24  
0
1
QD0 - QD5  
48-Lead LQFP  
7mm x 7mm x 1.4mm package body  
DIV_SELD  
MR/nOE  
Y Package  
Top View  
The Preliminary Information presented herein represents a product in prototyping or pre-production. The noted characteristics are based on initial  
product characterization. Integrated Circuit Systems, Incorporated (ICS) reserves the right to change any circuitry or specifications without notice.  
87949AY-01  
www.icst.com/products/hiperclocks.html  
REV. A JANUARY 2, 2002  
1
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与ICS87949AY-01LF相关器件

型号 品牌 获取价格 描述 数据表
ICS87949AY-01T IDT

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 		Low Skew Clock Driver, 15 True Output(s), 0 Inverted Output(s), PQFP48, 7 X 7 MM, 1.40 MM
ICS87949AY-01T ICSI

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 		LOW SKEW ±1, ±2 CLOCK GENERATOR
ICS87949AYI-01LF IDT

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 		Low Skew Clock Driver, 15 True Output(s), 0 Inverted Output(s), PQFP48, 7 X 7 MM, 1.40 MM
ICS87949AYI-01LFT IDT

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 		Low Skew Clock Driver, 15 True Output(s), 0 Inverted Output(s), PQFP48, 7 X 7 MM, 1.40 MM
ICS87949AYILF IDT

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 		Low Skew Clock Driver, 87949 Series, 15 True Output(s), 0 Inverted Output(s), PQFP52, 10 X
ICS87949AYILFT IDT

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 		Low Skew Clock Driver, 87949 Series, 15 True Output(s), 0 Inverted Output(s), PQFP52, 10 X
ICS87949AYLFT IDT

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 		Low Skew Clock Driver, 15 True Output(s), 0 Inverted Output(s), PQFP52, 10 X 10 MM, 1.40 M
ICS87949AYT IDT

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 		Low Skew Clock Driver, 15 True Output(s), 0 Inverted Output(s), PQFP52, 10 X 10 MM, 1.40 M
ICS87950AYLF IDT

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 		Clock Generator, 180MHz, PQFP32, 7 X 7 MM, 1.40 MM HEIGHT, MS-026, LQFP-32
ICS87950AY-T IDT

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 		Clock Generator, 180MHz, PQFP32, 7 X 7 MM, 1.40 MM HEIGHT, MS-026, LQFP-32

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