参数资料
型号: CY28547LFXC
厂商: Silicon Laboratories Inc
文件页数: 14/24页
文件大小: 0K
描述: IC CLOCK CK505/410M INTEL 72QFN
标准包装: 240
类型: 时钟/频率发生器
PLL:
主要目的: Intel CPU 服务器
输入: LVTTL,晶体
输出: HCSL,LVCMOS
电路数: 1
比率 - 输入:输出: 3:23
差分 - 输入:输出: 无/是
频率 - 最大: 200MHz
电源电压: 3.135 V ~ 3.465 V
工作温度: 0°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 72-VFQFN 裸露焊盘
供应商设备封装: 72-QFN(10x10)
包装: 托盘
CY28547
.....................Document #: 001-05103 Rev *B Page 21 of 24
Test and Measurement Set-up
For Single-ended Signals and Reference
The following diagram shows test load configurations for the
single-ended PCI, USB, and REF output signals.
27M_NSS/27M_SS at 3.3V
TDC
Duty Cycle
Measurement at 1.5V
45
55
%
TPERIOD
Spread Disabled 27M Period
Measurement at 1.5V
37.0359
4
37.0381
3
ns
Spread Enabled 27M Period
Measurement at 1.5V
37.0359
4
37.0381
3
ns
TR / TF
Rising and Falling Edge Rate
Measured between 0.4V and 2.0V
1.0
4.0
V/ns
TCCJ
Cycle to Cycle Jitter
Measurement at 1.5V
200
ps
LACC
27_M Long Term Accuracy
Measured at crossing point VOX
–50
ppm
REF
TDC
REF Duty Cycle
Measurement at 1.5V
45
55
%
TPERIOD
REF Period
Measurement at 1.5V
69.82033 69.86224
ns
TPERIODAbs REF Absolute Period
Measurement at 1.5V
68.83429 70.84826
ns
THIGH
REF High time
Measurement at 2V
29.97543 38.46654
ns
TLOW
REF Low time
Measurement at 0.8V
29.57543 38.26654
ns
TR / TF
REF Rising and Falling Edge Rate
Measured between 0.8V and 2.0V
1.0
4.0
V/ns
TSKEW
REF Clock to REF Clock
Measurement at 1.5V
500
ps
TCCJ
REF Cycle to Cycle Jitter
Measurement at 1.5V
1000
ps
LACC
Long Term Accuracy
Measurement at 1.5V
100
ppm
ENABLE/DISABLE and SET-UP
TSTABLE
Clock Stabilization from Power-up
1.8
ms
TSS
Stopclock Set-up Time
10.0
ns
AC Electrical Specifications (continued)
Parameter
Description
Condition
Min.
Max.
Unit
Figure 15.Single-ended Load Configuration Low Drive Option
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