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ICS87974AYIT PDF预览

ICS87974AYIT

更新时间: 2024-09-30 19:46:59
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
14页 169K
描述
PLL Based Clock Driver, 14 True Output(s), 0 Inverted Output(s), PQFP52, 10 X 10 MM, 1.40 MM HEIGHT, MS-026, LQFP-52

ICS87974AYIT 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:QFP
包装说明:LQFP,针数:52
Reach Compliance Code:compliantHTS代码:8542.39.00.01
风险等级:5.1输入调节:MUX
JESD-30 代码:S-PQFP-G52JESD-609代码:e0
长度:10 mm逻辑集成电路类型:PLL BASED CLOCK DRIVER
功能数量:1反相输出次数:
端子数量:52实输出次数:14
最高工作温度:85 °C最低工作温度:-40 °C
输出特性:3-STATE封装主体材料:PLASTIC/EPOXY
封装代码:LQFP封装形状:SQUARE
封装形式:FLATPACK, LOW PROFILE峰值回流温度(摄氏度):240
认证状态:Not QualifiedSame Edge Skew-Max(tskwd):0.35 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:INDUSTRIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子节距:0.65 mm端子位置:QUAD
处于峰值回流温度下的最长时间:20宽度:10 mm
最小 fmax:8.33 MHzBase Number Matches:1

ICS87974AYIT 数据手册

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ICS87974I  
LOW SKEW, 1-TO-15,  
LVCMOS/LVTTLCLOCK GENERATOR  
Integrated  
Circuit  
Systems, Incꢀ  
GENERAL DESCRIPTION  
FEATURES  
Fully integrated PLL  
The ICS87974I is a low skew, low jitter 1-to-15  
LVCMOS/LVTTL Clock Generator/Zero Delay  
Buffer and is a member of the HiPerClockS family  
of high performance clock solutions from ICS. The  
device has a fully integrated PLL and three banks  
HiPerClockS™  
15 single ended 3.3V LVCMOS/LVTTLoutputs  
2 LVCMOS/LVTTL clock inputs for redundant clock applications  
CLK0 and CLK1 accepts the following input levels:  
LVCMOS/LVTTL  
whose divider ratios can be independently controlled, providing  
output frequency relationships of 1:1, 2:1, 3:1, 3:2, 3:2:1. In ad-  
dition, the external feedback connection provides for a wide  
selection of output-to-input frequency ratios. The CLK0 and CLK1  
pins allow for redundant clocking on the input and dynamically  
switching the PLL between two clock sources. The ICS87974I  
is pin for pin compatible with the MPC974.  
Output frequency range: 8.33MHz to 125MHz  
VCO range: 200MHz to 500MHz  
External feedback for ”zero delay” clock regeneration  
Cycle-to-cycle jitter: ±100ps (typical)  
Output skew: 350ps (maximum)  
Guaranteed low jitter and output skew characteristics make the  
ICS87974I ideal for those applications demanding well defined  
performance and repeatability.  
3.3V operating supply  
-40°C to 85°C ambient operating temperature  
Pin compatible with the MPC974  
PIN ASSIGNMENT  
52 51 50 49 48 47 46 45 44 43 42 41 40  
GND  
nMR/OE  
CLK_EN  
SEL_B  
SEL_C  
PLL_SEL  
SEL_A  
CLK_SEL  
CLK0  
1
GND  
QB1  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
2
3
VDDOB  
QB2  
4
5
GND  
QB3  
6
7
VDDOB  
QB4  
ICS87974I  
8
9
FB_IN  
GND  
QFB  
CLK1  
10  
11  
12  
13  
nc  
VDD  
VDDOFB  
nc  
VDDA  
14 15 16 17 18 19 20 21 22 23 24 25 26  
52-Lead LQFP  
10mm x 10mm x 1.4mm package body  
Y package  
Top View  
87974AYI  
www.icst.com/products/hiperclocks.html  
REV. B MAY 15, 2003  
1

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