參數(shù)資料
型號(hào): ICS874001AGI-05LFT
廠商: IDT, Integrated Device Technology Inc
文件頁(yè)數(shù): 15/18頁(yè)
文件大?。?/td> 0K
描述: IC PCI EXPRSS/JITT ATTEN 20TSSOP
標(biāo)準(zhǔn)包裝: 2,500
系列: FemtoClock™, PCI Express™ (PCIe)
類型: 漂移衰減器,多路復(fù)用器
PLL:
主要目的: PCI Express(PCIe)
輸入: HCSL,LVDS,LVHSTL,LVPECL,SSTL
輸出: LVDS
電路數(shù): 1
比率 - 輸入:輸出: 1:1
差分 - 輸入:輸出: 是/是
頻率 - 最大: 640MHz
電源電壓: 3 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 20-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 20-TSSOP
包裝: 帶卷 (TR)
ICS874001AGI-05 REVISION A JANUARY 14, 2011
6
2011 Integrated Device Technology, Inc.
ICS74001I-05 Data Sheet
PCI EXPRESS JITTER ATTENUATOR
AC Electrical Characteristics
Table 5. AC Characteristics, VDD = VDDO = 3.3V ± 0.3V, TA = -40°C to 85°C
NOTE: Electrical parameters are guaranteed over the specified ambient operating temperature range, which is established when the device is
mounted in a test socket with maintained transverse airflow greater than 500 lfpm. The device will meet specifications after thermal equilibrium
has been reached under these conditions.
NOTE 1: This parameter is defined in accordance with JEDEC Standard 65.
NOTE 2: Peak-to-Peak jitter after applying system transfer function for the Common Clock Architecture. Maximum limit for PCI Express Gen 1
is 86ps peak-to-peak for a sample size of 106 clock periods.
NOTE 3: RMS jitter after applying the two evaluation bands to the two transfer functions defined in the Common Clock Architecture and
reporting the worst case results for each evaluation band. Maximum limit for PCI Express Generation 2 is 3.1ps RMS for tREFCLK_HF_RMS
(High Band) and 3.0ps RMS for tREFCLK_LF_RMS (Low Band).
NOTE 4: Guaranteed only when input clock source is PCI Express and PCI Express Gen 2 compliant.
Symbol
Parameter
Test Conditions
Minimum
Typical
Maximum
Units
fOUT
Output Frequency
98
640
MHz
tjit(cc)
Cycle-to-Cycle Jitter; NOTE 1
50
ps
Tj
(PCIe Gen 1)
Phase Jitter Peak-to-Peak;
NOTE 2, 4
100MHz output,
Evaluation Band: 0Hz - Nyquist
(clock frequency/2)
16.14
ps
125MHz output,
Evaluation Band: 0Hz - Nyquist
(clock frequency/2)
15.64
ps
250MHz output,
Evaluation Band: 0Hz - Nyquist
(clock frequency/2)
13.16
ps
500MHz, (1.2MHz –21.9MHz),
Evaluation Band: 0Hz - Nyquist
(clock frequency/2)
12.17
ps
TREFCLK_HF_RMS
(PCIe Gen 2)
Phase Jitter RMS;
NOTE 3, 4
100MHz output,
High Band: 1.5MHz - Nyquist
(clock frequency/2)
1.4
ps
125MHz output,
High Band: 1.5MHz - Nyquist
(clock frequency/2)
1.39
ps
250MHz output,
High Band: 1.5MHz - Nyquist
(clock frequency/2)
1.18
ps
500MHz output,
High Band: 1.5MHz - Nyquist
(clock frequency/2)
1.11
ps
TREFCLK_LF_RMS
(PCIe Gen 2)
Phase Jitter RMS;
NOTE 3, 4
100MHz output,
Low Band: 10kHz - 1.5MHz
0.33
ps
125MHz output,
Low Band: 10kHz - 1.5MHz
0.22
ps
250MHz output,
Low Band: 10kHz - 1.5MHz
0.22
ps
500MHz output,
Low Band: 10kHz - 1.5MHz
0.22
ps
tR / tF
Output Rise/Fall Time
20% to 80%
200
600
ps
odc
Output Duty Cycle
F_SEL[10]
≠ 11
48
52
%
F_SEL[10] = 11
42
58
%
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