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SI52112-B4-GM2

Clock Generators & Support Products Tiny Clock PCIe-2-OP PCI Xpress Gen2 Gen

器件类别:半导体    模拟混合信号IC   

厂商名称:Silicon Laboratories

器件标准:

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器件参数
参数名称
属性值
Product Attribute
Attribute Value
制造商
Manufacturer
Silicon Laboratories
产品种类
Product Category
Clock Generators & Support Products
RoHS
Details
类型
Type
Clock Generators
Maximum Input Frequency
25 MHz
Max Output Freq
100 MHz
Number of Outputs
1 Output
占空比 - 最大
Duty Cycle - Max
55 %
工作电源电压
Operating Supply Voltage
3.3 V
工作电源电流
Operating Supply Current
17 mA
最小工作温度
Minimum Operating Temperature
- 40 C
最大工作温度
Maximum Operating Temperature
+ 85 C
安装风格
Mounting Style
SMD/SMT
封装 / 箱体
Package / Case
TDFN-10
系列
Packaging
Tray
输出类型
Output Type
Differential
Jitter
250 ps
工厂包装数量
Factory Pack Quantity
100
单位重量
Unit Weight
0.001764 oz
文档预览
S i 5 2 11 2 - B 3 / B 4
PCI-E
XPRESS
G
EN
2
Features
DUAL
O
UTPUT
C
LOCK
G
ENERATOR
PCI-Express Gen 1 and Gen 2
compliant
Low power HCSL differential
output buffers
Supports Serial-ATA (SATA) at
100 MHz
No termination resistors required
25 MHz Crystal Input or Clock
input
Triangular spread spectrum
profile for maximum EMI
reduction (Si52112-B4)
Extended Temperature:
–40 to 85 °C
3.3 V Power supply
Small package 10-pin TDFN
(3x3 mm)
Si52112-B3 does not support
spread spectrum outputs
Si52112-B4 supports 0.5% down
spread outputs
For PCIe Gen3 applications, see
Si52112-B5/B6
Ordering Information:
See page 13
Applications
Network Attached Storage
Multi-function Printer
Pin Assignments
Wireless Access Point
Routers
VDD
XOUT
1
2
3
4
5
10
9
8
7
6
VDD
DIFF2
DIFF2
DIFF1
DIFF1
Description
XIN/CLKIN
Si52112-B3/B4 is a high-performance, PCIe clock generator that can
source two PCIe clocks from a 25 MHz crystal or clock input. The clock
outputs are compliant to PCIe Gen 1 and Gen 2 specifications. The ultra-
small footprint (3x3 mm) and industry leading low power consumption
make Si52112-B3/B4 the ideal clock solution for consumer and
embedded applications.
VSS
VSS
Patents pending
VDD
DIFF1
XIN/CLKIN
XOUT
PLL
Divider
DIFF2
VSS
Rev 1.2
Copyright © 2014 by Silicon Laboratories
Si52112-B3/B4
Si52112-B3/B4
2
Rev 1.2
Si52112-B3/B4
T
ABLE
Section
OF
C
ONTENTS
Page
1. Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
2. Crystal Recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
2.1. Crystal Loading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
2.2. Calculating Load Capacitors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
3. Test and Measurement Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
4. Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.1. 10-Pin TDFN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.2. 8-Pin TSSOP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
5. Ordering Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
6. Package Outlines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
6.1. TDFN Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
6.2. TSSOP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
7. Recommended Design Guideline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Document Change List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Contact Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Rev 1.2
3
Si52112-B3/B4
1. Electrical Specifications
Table 1. Recommended Operating Conditions
Parameter
Supply Voltage (extended)
Supply Voltage (commercial)
Symbol
V
DD(extended)
V
DD(commercial)
Test Condition
3.3 V ± 5%
3.3 V ± 10%
Min
3.13
2.97
Typ
3.3
3.3
Max
3.46
3.63
Unit
V
V
Table 2. DC Electrical Specifications
Parameter
Operating Voltage
Operating Supply Current
Input Pin Capacitance
Output Pin Capacitance
Symbol
V
DD
I
DD
C
IN
C
OUT
Test Condition
3.3 V ±10%
Full Active
Input Pin Capacitance
Output Pin Capacitance
Min
2.97
Typ
3.30
3
Max
3.63
17
5
5
Unit
V
mA
pF
pF
4
Rev 1.2
Si52112-B3/B4
Table 3. AC Electrical Specifications
Parameter
Crystal
Long-term Accuracy
Clock Input
CLKIN Duty Cycle
CLKIN Rise and Fall Times
CLKIN Cycle-to-Cycle Jitter
CLKIN Long Term Jitter
Input High Voltage
Input Low Voltage
Input High Current
Input Low Current
DIFF Clocks
Duty Cycle
Symbol
L
ACC
T
DC
T
R
/T
F
T
CCJ
T
LTJ
V
IH
V
IL
I
IH
I
IL
T
DC
T
SKEW
F
OUT
F
ACC
t
r/f2
T
CCJ
Pk-Pk
GEN1
Test Condition
Measured at V
DD
/2 differential
Measured at V
DD
/2
Measured between 0.2 V
DD
and
0.8 V
DD
Measured at V
DD
/2
Measured at V
DD
/2
XIN/CLKIN pin
XIN/CLKIN pin
XIN/CLKIN pin, VIN = V
DD
XIN/CLKIN pin, 0 < VIN <0.8
Measured at 0 V differential
Measured at 0 V differential
VDD = 3.3 V
All output clocks
Min
45
0.5
2
–35
45
0.6
300
–0.3
Typ
100
28
24
1.35
1.4
–0.5
31.5
Max
250
55
4.0
250
350
V
DD
+0.3
0.8
35
55
60
100
4.0
70
86
3.0
3.1
550
1.15
33
3
Unit
ppm
%
V/ns
ps
ps
V
V
µA
µA
%
ps
MHz
ppm
Skew
Output Frequency
Frequency Accuracy
Slew Rate
Cycle-to-Cycle Jitter
PCIe Gen 1 Pk-Pk Jitter
PCIe Gen 2 Phase Jitter
Crossing Point Voltage at 0.7 V
Swing
Voltage High
Voltage Low
Spread Range
Modulation Frequency
Enable/Disable and Set-up
Clock Stabilization from Power-
up
Stopclock Set-up Time
Measured differentially from
±150 mV
Measured at 0 V differential
PCIe Gen 1
10 kHz < F < 1.5 MHz
1.5 MHz < F < Nyquist
V/ns
ps
ps
ps
ps
mV
V
V
%
kHz
ms
ns
RMS
GEN2
V
OX
V
HIGH
V
LOW
S
RNG
F
MOD
T
STABLE
T
SS
Down Spread, -B4 only
-B4 only
30
10.0
Note:
Visit
www.pcisig.com
for complete PCIe specifications.
Rev 1.2
5
查看更多>
参数对比
与SI52112-B4-GM2相近的元器件有:Si52112-B3-GT、Si52112-B3-GTR、SI52112-B4-GM2R、SI52112-B4-GTR、SI52112-B3-GM2、SI52112-B3-GM2R。描述及对比如下:
型号 SI52112-B4-GM2 Si52112-B3-GT Si52112-B3-GTR SI52112-B4-GM2R SI52112-B4-GTR SI52112-B3-GM2 SI52112-B3-GM2R
描述 Clock Generators & Support Products Tiny Clock PCIe-2-OP PCI Xpress Gen2 Gen Clock Generators & Support Products Tiny Clock PCIe 1 output PCI Express Clock Generators & Support Products Tiny Clock PCIe 1 output PCI Express Clock Generators & Support Products Tiny Clock PCIe 2 output PCI Express Clock Generators & Support Products Tiny Clock PCIe 2 output PCI Express Clock Generators & Support Products Tiny Clock PCIe-2-OP PCI Xpress Gen2 Gen Clock Generators & Support Products Tiny Clock PCIe 1 output PCI Express
Product Attribute Attribute Value Attribute Value Attribute Value Attribute Value Attribute Value Attribute Value Attribute Value
制造商
Manufacturer
Silicon Laboratories Silicon Laboratories Silicon Laboratories Silicon Laboratories Silicon Laboratories Silicon Laboratories Silicon Laboratories
产品种类
Product Category
Clock Generators & Support Products Clock Generators & Support Products Clock Generators & Support Products Clock Generators & Support Products Clock Generators & Support Products Clock Generators & Support Products Clock Generators & Support Products
RoHS Details Details Details Details Details Details Details
类型
Type
Clock Generators Clock Generators Clock Generators Clock Generators Clock Generators Clock Generators Clock Generators
Maximum Input Frequency 25 MHz 25 MHz 25 MHz 25 MHz 25 MHz 25 MHz 25 MHz
Max Output Freq 100 MHz 100 MHz 100 MHz 100 MHz 100 MHz 100 MHz 100 MHz
Number of Outputs 1 Output 2 Output 2 Output 2 Output 2 Output 1 Output 2 Output
占空比 - 最大
Duty Cycle - Max
55 % 55 % 55 % 55 % 55 % 55 % 55 %
工作电源电压
Operating Supply Voltage
3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V
工作电源电流
Operating Supply Current
17 mA 17 mA 17 mA 17 mA 17 mA 17 mA 17 mA
最小工作温度
Minimum Operating Temperature
- 40 C - 40 C - 40 C - 40 C - 40 C - 40 C - 40 C
最大工作温度
Maximum Operating Temperature
+ 85 C + 85 C + 85 C + 85 C + 85 C + 85 C + 85 C
安装风格
Mounting Style
SMD/SMT SMD/SMT SMD/SMT SMD/SMT SMD/SMT SMD/SMT SMD/SMT
封装 / 箱体
Package / Case
TDFN-10 TSSOP-8 TSSOP-8 TDFN-10 TSSOP-8 TDFN-10 TDFN-10
输出类型
Output Type
Differential Differential Differential Differential Differential Differential Differential
Jitter 250 ps 250 ps 250 ps 250 ps 250 ps 250 ps 250 ps
工厂包装数量
Factory Pack Quantity
100 2500 100 3000 2500 100 3000
单位重量
Unit Weight
0.001764 oz 0.005573 oz 0.005573 oz 0.001764 oz 0.005573 oz 0.001764 oz 0.001764 oz
系列
Packaging
Tray Reel Tube Reel Reel Tray Reel
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