参数资料
型号: ICS9EX21801AKLF
厂商: IDT, Integrated Device Technology Inc
文件页数: 12/14页
文件大小: 0K
描述: IC FANOUT BUFF DIFF 72-VFQFN
标准包装: 168
系列: PCI Express® (PCIe)
类型: 扇出缓冲器(分配),多路复用器
PLL:
主要目的: Intel QPI,PCI Express(PCIe)
输入: 时钟
输出: HCSL
电路数: 1
比率 - 输入:输出: 2:18
差分 - 输入:输出: 是/是
频率 - 最大: 400MHz
电源电压: 3.135 V ~ 3.465 V
工作温度: 0°C ~ 70°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-VFQFPN(10x10)
包装: 管件
其它名称: 9EX21801AKLF
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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