參數(shù)資料
型號: SI52144-A01AGM
廠商: Silicon Laboratories Inc
文件頁數(shù): 1/22頁
文件大?。?/td> 0K
描述: IC CLK GENERATOR 100MHZ 24QFN
特色產(chǎn)品: PCI-Express
標(biāo)準(zhǔn)包裝: 92
系列: PCI Express® (PCIe)
類型: 時(shí)鐘/頻率發(fā)生器,扇出緩沖器(分配),多路復(fù)用器
PLL:
主要目的: PCI Express(PCIe)
輸入: 時(shí)鐘,晶體
輸出: HCSL
電路數(shù): 1
比率 - 輸入:輸出: 1:4
差分 - 輸入:輸出: 無/是
頻率 - 最大: 100MHz
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: 24-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 24-QFN(4x4)
包裝: 托盤
其它名稱: 336-2158
SI52144A01A-GM
SI52144A01AGM
Rev. 1.2 2/14
Copyright 2014 by Silicon Laboratories
Si52144
PCI-E XPRESS G EN 1, G EN 2, & G EN 3 Q UAD O UTPUT
C LOCK G ENERATOR
Features
Applications
Description
The Si52144 is a spread-spectrum enabled PCIe clock generator that can
source four PCIe clocks. The device has four hardware output enable
pins for enabling the outputs, and one hardware pin to control spread
spectrum on PCIe clock outputs. In addition to the hardware control pins,
I2C programmability is also available to dynamically control skew, edge
rate and amplitude on the true, compliment, or both differential signals on
the PCIe clock outputs. This control feature enables optimal signal
integrity as well as optimal EMI signature on the PCIe clock outputs.
Refer to AN636 for signal integrity and configurability.
Functional Block Diagram
PCI-Express Gen 1, Gen 2 &
Gen 3 compliant
Supports Serial ATA (SATA) at
100 MHz
Low power, push-pull HCSL
compatible differential outputs
No termination resistors required
Dedicated output enable hardware
pins for each clock output
Dedicated hardware pin for spread
spectrum control
Four PCI-Express clocks
25 MHz crystal input or clock input
Signal integrity tuning
I2C support with readback
capabilities
Triangular spread spectrum profile
for maximum electromagnetic
interference (EMI) reduction
Industrial temperature
–40 to 85 oC
3.3 V power supply
24-pin QFN package
Network attached storage
Multi-function printer
Wireless access point
Routers
Control
RAM
Control & Memory
XIN/CLKIN
XOUT
SCLK
SDATA
SSON
OE [3:0]
DIFF1
DIFF3
DIFF0
PLL
(SSC)
Divider
DIFF2
Patents pending
Ordering Information:
Pin Assignments
VDD_DIFF
OE1
1
SSON
2
VSS
VDD_DIFF
OE2
1
VSS_
C
O
R
E
X
IN/
CL
KI
N
XO
U
T
1
2
3
4
5
6
24
23
22
21
20
19
7
8
9
10
11
12
18
17
16
15
14
13
OE
0
1
D
IFF0
DI
F
0
DI
F
1
DI
F
1
V
DD_
DI
F
V
DD_
CO
RE
S
DAT
A
SC
L
K
OE3
1
VDD_DIFF
DIFF3
DIFF2
Notes:
1. Internal 100 kohm pull-up.
2. Internal 100 kohm pull-down.
25
GND
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
Si52144A01A-GM 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56
Si52144-A01AGMR 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 PCIe family,4 output PCIe G3, 25MHz input RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56
Si52144-EVB 功能描述:時(shí)鐘和定時(shí)器開發(fā)工具 4 PCIe GENERATOR RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Modules 類型:Clock Conditioners 工具用于評估:LMK04100B 頻率:122.8 MHz 工作電源電壓:3.3 V
Si52145A01A-GM 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 4OUT PCIeG2+25MHzREF OUT FROM 25MHZ IN RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56
SI52146 制造商:SILABS 制造商全稱:SILABS 功能描述:PCI-EXPRESS GEN 1, GEN 2, & GEN 3 SIX OUTPUT CLOCK GENERATOR