參數(shù)資料
型號: CY28445LFXC-5T
廠商: Silicon Laboratories Inc
文件頁數(shù): 16/25頁
文件大?。?/td> 0K
描述: IC CLOCK CALISTOGA CK410M 68QFN
標(biāo)準(zhǔn)包裝: 2,000
類型: 時鐘/頻率發(fā)生器
PLL:
主要目的: Intel CPU 服務(wù)器
輸入: LVTTL,晶體
輸出: HCSL,LVCMOS
電路數(shù): 1
比率 - 輸入:輸出: 3:22
差分 - 輸入:輸出: 無/是
頻率 - 最大: 200MHz
電源電壓: 3.135 V ~ 3.465 V
工作溫度: 0°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 68-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 68-QFN(8x8)
包裝: 帶卷 (TR)
CY28445-5
..................... Document #: 38-07739 Rev *C Page 23 of 25
Note:
1. Measured under typical condition.
Test and Measurement Set-up
For PCI Single-ended Signals and Reference
The following diagram shows the test load configuration of single-ended PCI, USB output signals.
TPERIODAbs
Absolute Period
Measurement at 1.5V
20.48125
21.18542
ns
THIGH
48_M High time
Measurement at 2.4V
8.094
11.036
ns
TLOW
48_M Low time
Measurement at 0.4V
7.694
10.836
ns
TR / TF
Rising and Falling Edge Rate
Measured between 0.8V and 2.0V
1.0
2.2
V/ns
TCCJ
Cycle to Cycle Jitter
Measurement at 1.5V
350
ps
LACC
48M Long Term Accuracy
Measured at crossing point VOX
100
ppm
27_M at 3.3V
TDC
Duty Cycle
Measurement at 1.5V
45
55
%
TPERIOD
Spread Disabled 27M Period
Measurement at 1.5V
27.000
27.0547
ns
Spread Enabled 27M Period
Measurement at 1.5V
27.000
27.0547
THIGH
27_M High time
Measurement at 2.0V
10.5
ns
TLOW
27_M Low time
Measurement at 0.8V
10.5
ns
TR / TF
Rising and Falling Edge Rate
Measured between 0.8V and 2.0V
1.0
4.0
V/ns
TCCJ
Cycle to Cycle Jitter
Measurement at 1.5V
500
ps
LACC
27_M Long Term Accuracy
Measured at crossing point VOX
–0
ppm
REF at 3.3V
TDC
REF Duty Cycle
Measurement at 1.5V
45
55
%
TPERIOD
REF Period
Measurement at 1.5V
69.8203
69.8622
ns
TPERIODAbs
REF Absolute Period
Measurement at 1.5V
68.82033
70.86224
ns
TR / TF
REF Rising and Falling Edge Rate
Measured between 0.8V and 2.0V
0.9
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
300
ppm
ENABLE/DISABLE and SET-UP
TSTABLE
Clock Stabilization from Power-up
1.8
ms
TSS
Stopclock Set-up Time
10.0
ns
TSH
Stopclock Hold Time
0
ns
AC Electrical Specifications (continued)
Parameter
Description
Condition
Min.
Max.
Unit
Figure 14. Single-ended PCI, USB Load Configuration
5 pF
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