Processor Specific Clock Generator, 27MHz, CMOS, PDSO8, SOIC-8
MK1417STR规格参数
参数名称
属性值
是否无铅
含铅
是否Rohs认证
不符合
厂商名称
IDT (Integrated Device Technology)
零件包装代码
SOIC
包装说明
SOP,
针数
8
Reach Compliance Code
compliant
ECCN代码
EAR99
JESD-30 代码
R-PDSO-G8
JESD-609代码
e0
长度
4.9 mm
端子数量
8
最高工作温度
70 °C
最低工作温度
最大输出时钟频率
27 MHz
封装主体材料
PLASTIC/EPOXY
封装代码
SOP
封装形状
RECTANGULAR
封装形式
SMALL OUTLINE
峰值回流温度（摄氏度）
NOT SPECIFIED
主时钟/晶体标称频率
14.31818 MHz
认证状态
Not Qualified
座面最大高度
1.75 mm
最大供电电压
5.5 V
最小供电电压
3 V
标称供电电压
5 V
表面贴装
YES
技术
CMOS
温度等级
COMMERCIAL
端子面层
TIN LEAD
端子形式
GULL WING
端子节距
1.27 mm
端子位置
DUAL
处于峰值回流温度下的最长时间
NOT SPECIFIED
宽度
3.9 mm
uPs/uCs/外围集成电路类型
CLOCK GENERATOR, PROCESSOR SPECIFIC
MK1417STR文档预览
PRELIMINARY INFORMATION
MK1417
S3 Notebook Clock Source
Description
The MK1417 is an ideal way to generate clocks for
S3’s M5 processor. The chip is a cost reduction to
the MK1416, maintaining the functionality of the
MK1416, but with a different pinout. In an 8 pin
SOIC, the chip saves cost over separate surface
mount oscillators and increases reliability by
eliminating mechanical (quartz-based) devices
from the board. The power down pin turns off the
device, drawing less than 30µA.
MicroClock offers many other clocks for
computers and computer peripherals. Consult
MicroClock when you need to remove crystals and
oscillators from your board.
Features
• Packaged in 8 pin SOIC
• Functional, lower cost replacement of MK1416
• Differences from MK1416
- no on-chip crystal capacitors
- pinout is different
• Ideal for S3’s M5 processor
• Input clock frequency of 14.31818 MHz
• Dual buffered 14.318 MHz clock outputs
• Output clock frequency of 27.0MHz
• Power down turns off chip
• Low jitter
• 25mA drive capability at TTL levels
• 3.3V or 5V supply voltage
• Advanced, low power CMOS process
• Insensitive to input clock duty cycle
Block Diagram
VDD GND
PD
14.31818 MHz
PLL
Clock Synthesis
and Control
Circuitry
Output
Buffer
27.000 MHz
crystal or clock
X1/ICLK
Output
Buffer
Output
Buffer
14.31818 MHz
Crystal
Oscillator
X2
14.31818 MHz
(Capacitors are required for tuning)
1
Revision 12157
Printed 12/16/97
MicroClock division of ICS•1271 Parkmoor Ave.•San Jose•CA•95126•(408)295-9800tel•(408)295-9818fax
MDS1417B
PRELIMINARY INFORMATION
MK1417
S3 Notebook Clock Source
Pin Assignment
X1/ICLK
VDD
GND
14.3M
1
2
3
4
8
7
6
5
X2
PD
27M
14.3M
PD
0
1
All Clocks
LOW
ON
8 pin SOIC
Pin Descriptions
Number
Name
Type Description
1
2
3
4
5
6
7
8
X1/ICLK
VDD
GND
14.3M
14.3M
27M
PD
X2
I
P
P
O
O
O
I
O
Crystal Connection. Connnect to a 14.31818 MHz crystal or clock.
Connect to +3.3V or +5V.
Connect to ground.
14.31818 MHz buffered crystal clock output.
14.31818 MHz buffered crystal clock output.
27.00 MHz clock output.
Power Down input. Logic 0 takes all clocks low. Internal pullup.
Crystal Connection for a 14.31818 MHz crystal, or leave unconnected for clock input.
Key: I = Input, O = output, P = power supply connection
External Components/Crystal Selection
A minimum number of external components are required for proper operation. For a crystal input, a
parallel resonant 14.31818 MHz crystal is recommended. The frequency tolerance of the crystal should be
±30 ppm maximum. For tuning with a given crystal CL , the formula 2•(CL -6) gives the value of each
capacitor that should be connected from X1 to GND and X2 to GND. For a clock input, connect to X1
and leave X2 unconnected. A decoupling capacitor of 0.1µF should be connected between VDD and
GND on pins 2 and 3, and a 33Ω terminating resistor can be used on each clock output if the trace is
longer than 1 inch.
2
Revision 12157
Printed 12/16/97
MicroClock division of ICS•1271 Parkmoor Ave.•San Jose•CA•95126•(408)295-9800tel•(408)295-9818fax
MDS1417B
PRELIMINARY INFORMATION
MK1417
S3 Notebook Clock Source
Typical
Maximum
7
VDD+.5V
VDD+.5V
70
260
150
5.5
2.5
2.5
1.5
0.8
Units
V
V
V
°C
°C
°C
V
V
V
V
V
V
V
V
mA
mA
µA
pF
MHz
ms
%
ns
ns
%
ps
ps
Electrical Specifications
Parameter
Supply Voltage, VDD
Inputs
Clock Outputs
Ambient Operating Temperature
Soldering Temperature
Storage temperature
Operating Voltage, VDD
Input High Voltage, VIH, input clock only
Input Low Voltage, VIL, input clock only
Input High Voltage, VIH
Input Low Voltage, VIL
Output High Voltage, VOH
Output High Voltage, VOH
Output Low Voltage, VOL
Operating Supply Current, IDD, 5.0V
Operating Supply Current, IDD, 3.3V
Power Down Supply Current, IDDPD, 5V
Input Capacitance
Input Clock
Power up time, from power down to clocks stable
Input Clock Duty Cycle
Output Clock Rise Time
Output Clock Fall Time
Output Clock Duty Cycle
Absolute Maximum Clock Period Jitter
One Sigma Clock Period Jitter
Conditions
Referenced to GND
Referenced to GND
Referenced to GND
Max of 10 seconds
-65
3.0
3.5
2
IOH=-4mA
IOH=-25mA
IOL=25mA
No Load
No Load
No Load
PD pin
VDD-0.4
2.4
0.4
14
8
25
7
14.31818
4
20
Minimum
ABSOLUTE MAXIMUM RATINGS (note 1)
-0.5
-0.5
0
DC CHARACTERISTICS (at 5.0V unless otherwise noted)
AC CHARACTERISTICS (at 5.0V unless otherwise noted)
PD low to high
Time above 2.5V
0.8 to 2.0V
2.0 to 0.8V
Time above 1.5V
Variation from mean
10
80
1.5
1.5
55
45
50
130
40
Notes:
1. Stresses beyond those listed under Absolute Maximum Ratings could cause permanent damage to the device. Prolonged exposure
to levels above the operating limits but below the Absolute Maximums may affect device reliability.
2. Typical values are at 25°C.
3
Revision 12157
Printed 12/16/97
MicroClock division of ICS•1271 Parkmoor Ave.•San Jose•CA•95126•(408)295-9800tel•(408)295-9818fax
MDS1417B
PRELIMINARY INFORMATION
MK1417
S3 Notebook Clock Source
Package Outline and Package Dimensions
8 pin SOIC
Symbol
A
b
D
E
H
e
h
Q
Inches
Min
Max
0.055 0.068
0.013 0.019
0.185 0.200
0.150 0.160
0.225 0.245
.050 BSC
0.015
0.004
0.01
Millimeters
Min
Max
1.397 1.7272
0.330
0.483
4.699
5.080
3.810
4.064
5.715
6.223
1.27 BSC
0.381
0.102
0.254
E
Pin 1
H
D
Q
e
b
c
h x 45°
A
Ordering Information
Part/Order Number
MK1417S
MK1417STR
Marking
MK1417S
MK1417S
Package
8 pin SOIC
Add tape and reel
Temperature
0-70°C
0-70°C
While the information presented herein has been checked for both accuracy and reliability, MicroClock Incorporated assumes no responsibility for either its use or for the
infringement of any patents or other rights of third parties, which would result from its use. No other circuits, patents, or licenses are implied. This product is intended for use in
normal commercial applications. Any other applications such as those requiring extended temperature range, high reliability, or other extraordinary environmental requirements
are not recommended without additional processing by MicroClock. MicroClock reserves the right to change any circuitry or specifications without notice. MicroClock does not
authorize or warrant any MicroClock product for use in life support devices or critical medical instruments.
4
Revision 12157
Printed 12/16/97
MicroClock division of ICS•1271 Parkmoor Ave.•San Jose•CA•95126•(408)295-9800tel•(408)295-9818fax
嵌入式系统
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
