IDT 18 Output PCIe G2/QPI Differential Buffer with 2:1 input mux 1463E — 07/20/11 9EX21801A 18 Output P" />
參數(shù)資料
型號(hào): ICS9EX21801AKLFT
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 12/14頁
文件大?。?/td> 0K
描述: IC FANOUT BUFF DIFF 72-VFQFN
標(biāo)準(zhǔn)包裝: 1,000
系列: PCI Express® (PCIe)
類型: 扇出緩沖器(分配),多路復(fù)用器
PLL:
主要目的: Intel QPI,PCI Express(PCIe)
輸入: 時(shí)鐘
輸出: HCSL
電路數(shù): 1
比率 - 輸入:輸出: 2:18
差分 - 輸入:輸出: 是/是
頻率 - 最大: 400MHz
電源電壓: 3.135 V ~ 3.465 V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 72-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 72-VFQFPN(10x10)
包裝: 帶卷 (TR)
其它名稱: 9EX21801AKLFT
IDT
18 Output PCIe G2/QPI Differential Buffer with 2:1 input mux
1463E — 07/20/11
9EX21801A
18 Output PCIe G2/QPI Differential Buffer with 2:1 input mux
7
Datasheet
Electrical Characteristics - Skew and Differential Jitter Parameters
TA = TCOM or TIND; Supply Voltage VDD = 3.3 V +/-5%
Group
Parameter
Description
Min
TYP
Max
Units
No tes
CLK_IN, DIF[x:0]
tSPO_PLL100M
Input-to-Output Skew in PLL mode (1:1 only),
nominal value @ 25°C, 3.3V, 100MHz
950
1000 1125
ps
1,2,4,5,8
CLK_IN, DIF[x:0]
tSPO_PLL133M
Input-to-Output Skew in PLL mode (1:1 only),
nominal value @ 25°C, 3.3V, 133MHz
1100
1125 1175
ps
1,2,4,5,8
CLK_IN, DIF[x:0]
tPD_BYP
Input-to-Output Skew in Bypass mode (1:1 only ),
nominal value @ 25°C, 3.3V
4
4.7
5.2
ns
1,2,3,5
CLK_IN, DIF [x :0]
8t
SPO_PLL
Input-to-Output Skew Variation in PLL mode
(over specified voltage / temperature operati ng ranges)
|250| |350|
ps
1,2,4,5,6,
10
CLK_IN, DIF [x :0]
8t
PD_BYP
Input-to-Output Skew Variation in Bypass mode
(over specified voltage / temperature operati ng ranges)
|800| |900|
ps
1,2,3,4,5,
6,10
DIF[17:0]
tSKEW_A19
Output-to-Output Skew acros s al l 18 outputs
(Common to Bypass and PLL mode - all outputs at same gear)
100
150
ps
1,2,3
DIF[17:0]
tJPH
Differential Phase Jitter (RMS Value)
2
10
ps
1,4,7
DIF[17:0]
t
SSTERROR
Differential Spread Spectrum T racking Error (peak to peak)
20
80
ps
1,4,9
NOTES:
8. t is the period of the input clock
10. This parameter is an absolute value. It is not a double-sided figure.
9. Differential spread spectrum tracking error is the difference in spread spectrum tracking between two ICS9EX21801 devices This parameter is measured at the outputs of
two separate ICS9EX21801 devices driven by a single CK410B+ in Spread Spectrum mode. The ICS9EX21801's must be set to high bandwidth. The spread spectrum
characteristics are: maximum of 0.5%, 30-33KHz modulation frequency, linear profile.
5. Measured with scope averaging on to find mean value.
6. Long-term vari ation from nominal of input-to-output skew over temperature and voltage for a single device.
7. This parameter is measured at the outputs of two separate ICS 9EX21801 devices driven by a single CK410B+. The ICS9EX21801's must be set to high bandwidth.
Differential phase jitter is the accumulation of the phase jitte r not shared by the outputs (eg. not including the affects of spread spectrum). Target ranges of consideration are
agents with BW of 1-22Mhz and 11-33Mhz.
1. Measured into fixed 2 pF load cap. Input to output skew is measured at the fi rst output edge following the corresponding input.
2. Measured from differential cross-point to differential cross-point
3. All Bypass Mode Input-to-Output specs refer to the timing between an input edge and the specific output edge created by it.
4. This parameter is determi nistic fo r a given device
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