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ICS9220YGLF-T PDF预览

ICS9220YGLF-T

更新时间: 2024-09-29 21:11:15
品牌 Logo 应用领域
艾迪悌 - IDT 光电二极管外围集成电路
页数 文件大小 规格书
17页 210K
描述
Processor Specific Clock Generator, PDSO28, 4.40 MM, 0.65 MM PITCH, ROHS COMPLIANT, MO-153, TSSOP-28

ICS9220YGLF-T 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:TSSOP
包装说明:4.40 MM, 0.65 MM PITCH, ROHS COMPLIANT, MO-153, TSSOP-28针数:28
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.84
JESD-30 代码:R-PDSO-G28JESD-609代码:e3
长度:9.7 mm端子数量:28
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:TSSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1.2 mm最大供电电压:2.625 V
最小供电电压:2.375 V标称供电电压:2.5 V
表面贴装:YES技术:CMOS
温度等级:COMMERCIAL端子面层:MATTE TIN
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
宽度:4.4 mmuPs/uCs/外围集成电路类型:CLOCK GENERATOR, PROCESSOR SPECIFIC
Base Number Matches:1

ICS9220YGLF-T 数据手册

 浏览型号ICS9220YGLF-T的Datasheet PDF文件第2页浏览型号ICS9220YGLF-T的Datasheet PDF文件第3页浏览型号ICS9220YGLF-T的Datasheet PDF文件第4页浏览型号ICS9220YGLF-T的Datasheet PDF文件第5页浏览型号ICS9220YGLF-T的Datasheet PDF文件第6页浏览型号ICS9220YGLF-T的Datasheet PDF文件第7页 
ICS9220  
Integrated  
Circuit  
Systems, Inc.  
Programmable RambusTM XDRTM Clock Generator  
General Description  
Features  
300 - 700 MHz clock source  
2 open-drain differential output drives with short  
term jitter < 40ps  
Spread spectrum compatible  
Reference clock is differential or single-ended  
100MHz  
SMBus programmability for:  
- frequency multiplier  
- output enable  
- operating mode  
Support systems where XDR subsystem is  
asynchronous to other system clocks  
The ICS9220 clock generator provides Programmable  
clock signals to support the Rambus XDRTM memory  
subsystem and Redwood logic interface. The ICS9220  
has been optimized for 100MHz reference input that may  
or may not be modulated for spread spectrum. The  
ICS9220 provides 2 differential clock pairs in a space  
saving 28-pin TSSOP package and provides an off-the-  
shelf high-performance interface solution.  
Figure 1 shows the major components of the ICS9220  
XDR Clock Generator. These include the a PLL, a Bypass  
Multiplexer and two differential output buffers. The outputs  
can be disabled by a logic low on the OE pin. An output  
is enabled by the combination of the OE pin being high,  
and 1 in its SMBus Output control register bit.  
2.5V power supply  
The PLL receives a reference clock, CLK_INT/C and  
outputs a clock signal at a frequency equal to the input  
frequency times a multiplier. Table 2 shows the multipliers  
selectable via the SMBus interface. This clock signal is  
then fed to the differential output buffers to drive the  
enabled clocks. Disabled outputs are set to Hi-Z. The  
Bypass mode routes the input clock, CLK_INT/C, directly  
to the differential output buffers, bypassing the PLL.  
Up to four ICS9220 devices can be cascaded on the same  
SMBus. Table 3 shows the SMBus addressing and control  
for the four devices.  
Block Diagram  
Pin Configuration  
OE  
AVDD2.5  
AGND  
1
2
3
4
5
6
7
8
9
28 VDD2.5  
27 GND  
26 GND  
25 ODCLK_T0  
24 ODCLK_C0  
23 GND  
22 VDD2.5  
21 VDD2.5  
20 GND  
OE  
RegA  
IREFY  
AGND  
CLK_INT  
CLK_INC  
VDD2.5  
GND  
SMBCLK  
SMBDAT 10  
OE 11  
ODCLK_T0  
BYPASS#/PLL  
ODCLK_C0  
Bypass  
MUX  
OE  
RegB  
ODCLK_T1  
ODCLK_C1  
CLK_INT  
CLK_INC  
PLL  
SMBCLK  
19 ODCLK_T1  
18 ODCLK_C1  
17 GND  
SMBDAT  
AS1  
AS2  
AS1 12  
AS2 13  
16 GND  
BYPASS#/PLL 14  
15 VDD2.5  
28-Pin 4.4mm TSSOP  
1227G—11/05/07  
XDR is a trademark of Rambus  

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