參數(shù)資料
型號(hào): ICS557GI-05ALFT
廠商: IDT, Integrated Device Technology Inc
文件頁(yè)數(shù): 2/12頁(yè)
文件大?。?/td> 0K
描述: IC CLK SOURCE QUAD DIFF 20TSSOP
產(chǎn)品培訓(xùn)模塊: PCI-Express
標(biāo)準(zhǔn)包裝: 1
系列: PCI Express® (PCIe)
類型: 擴(kuò)展頻譜時(shí)鐘發(fā)生器,扇出緩沖器(分配)
PLL:
主要目的: PCI Express(PCIe)
輸入: 時(shí)鐘,晶體
輸出: HCSL,LVDS
電路數(shù): 1
比率 - 輸入:輸出: 1:4
差分 - 輸入:輸出: 無(wú)/是
頻率 - 最大: 200MHz
電源電壓: 3.135 V ~ 3.465 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: 標(biāo)準(zhǔn)包裝
其它名稱: 800-2533-6
ICS557-05A
QUAD DIFFERENTIAL PCI-EXPRESS GEN1 CLOCK SOURCE
PCIE SSCG
IDT
QUAD DIFFERENTIAL PCI-EXPRESS GEN1 CLOCK SOURCE
10
ICS557-05A
REV O 112111
AC Electrical Characteristics - CLKOUT, LVDS
Unless stated otherwise, VDD=3.3 V ±5%, Ambient Temperature -40 to +85
° C
1 Test setup is R
L=50 ohms with 2 pF, Rr = 475Ω (1%).
2 Measurement taken from a single-ended waveform.
3 Measurement taken from a differential waveform.
4 Measured at the crossing point where instantaneous voltages of both CLKOUT and CLKOUT are equal.
5 CLKOUT pins are tri-stated when OE is asserted low. CLKOUT is driven differential when OE is high unless its PD= low.
Thermal Characteristics
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Units
Input Frequency
25
MHz
Output Frequency
LVDS termination
100
MHz
Differential Output Voltage
VOD
247
454
mV
Offset Voltage
VOS
1.125
1.375
V
V
OD
|Change to V
OD|
50
mV
V
OS
|Change to V
OS|
50
mV
Jitter, Cycle-to-Cycle1,3
80
ps
Modulation Frequency
Spread spectrum
30
31.5
33
kHz
Slew Rate, Rise1,3
tSLR
Measured from ±150 mV from
crossing point voltage
14
V/ns
Slew Rate, Fall1,3
tSLF
Measured from ±150 mV from
crossing point voltage
14
V/ns
Skew between outputs
At crossing point Voltage
50
ps
Duty Cycle1,3
45
55
%
Output Enable Time5
All outputs
10
s
Output Disable Time5
All outputs
10
s
Power-up Time
tSTABLE
From power-up VDD=3.3 V
3
ms
Spread Change Time
tSPREAD Settling period after spread change
3
ms
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Units
Thermal Resistance Junction to
Ambient
θJA
Still air
93
° C/W
θJA
1 m/s air flow
78
° C/W
θJA
3 m/s air flow
65
° C/W
Thermal Resistance Junction to Case
θJC
20
° C/W
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