ICS553MILF [IDT]
Low Skew Clock Driver, 553 Series, 4 True Output(s), 0 Inverted Output(s), CMOS, PDSO8, 0.150 INCH, ROHS COMPLIANT, SOIC-8;
| 型号： | ICS553MILF |
| 厂家： | 
INTEGRATED DEVICE TECHNOLOGY |
| 描述： | Low Skew Clock Driver, 553 Series, 4 True Output(s), 0 Inverted Output(s), CMOS, PDSO8, 0.150 INCH, ROHS COMPLIANT, SOIC-8 驱动 光电二极管 逻辑集成电路 |
| 文件： | 总8页 (文件大小：78K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
DATASHEET
LOW SKEW 1 TO 4 CLOCK BUFFER
ICS553
Description
Features
The ICS553 is a low skew, single input to four output,
clock buffer. Part of IDT’s ClockBlocks family, this is
our lowest skew, small clock buffer.
• Extremely low skew outputs (50 ps maximum)
• Packaged in 8-pin SOIC
TM
• Pb (lead) free package
See the ICS552-02 for a 1 to 8 low skew buffer. For
more than eight outputs, see the MK74CBxxx
• Low power CMOS technology
• Operating voltages of 2.5 V to 5 V
• Output Enable pin tri-states outputs
• 5 V tolerant input clock
TM
Buffalo series of clock drivers.
IDT makes many non-PLL and PLL based low skew
output devices as well as Zero Delay Buffers to
synchronize clocks. Contact us for all of your clocking
needs.
• Commercial (0 to +70°C) and Industrial (-40 to
+85°C) temperature ranges available
Block Diagram
Q0
Q1
Q2
Q3
ICLK
Output Enable
IDT® LOW SKEW 1 TO 4 CLOCK BUFFER
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LOW SKEW 1 TO 4 CLOCK BUFFER
FAN OUT BUFFER
Pin Assignment
VDD
Q0
1
2
3
4
8
7
6
5
OE
Q3
Q1
Q2
GND
I CLK
8-pin SOIC
Pin Descriptions
Pin
Pin
Pin
Pin Description
Number Name Type
1
2
3
4
5
6
7
8
VDD
Q0
Power Connect to +2.5 V, +3.3 V or +5.0 V.
Output Clock output 0.
Q1
Output Clock output 1.
GND
ICLK
Q2
Power Connect to ground.
Input
Clock input, 5 V tolerant input.
Output Clock Output 2.
Output Clock Output 3.
Q3
OE
Input
Output Enable. Tri-states outputs when low. Connect to VDD for normal operation.
External Components
A minimum number of external components are required for proper operation. A decoupling capacitor of
0.01 µF should be connected between VDD on pin 1 and GND on pin 4, as close to the device as possible.
A 33 Ω series terminating resistor may be used on each clock output if the trace is longer than 1 inch.
To achieve the low output skew that the ICS553 is capable of, careful attention must be paid to board
layout. Essentially, all four outputs must have identical terminations, identical loads and identical trace
geometries. If they do not, the output skew will be degraded. For example, using a 30Ω series termination
on one output (with 33Ω on the others) will cause at least 15 ps of skew.
IDT® LOW SKEW 1 TO 4 CLOCK BUFFER
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LOW SKEW 1 TO 4 CLOCK BUFFER
FAN OUT BUFFER
Absolute Maximum Ratings
Stresses above the ratings listed below can cause permanent damage to the ICS553. These ratings, which
are standard values for IDT commercially rated parts, are stress ratings only. Functional operation of the
device at these or any other conditions above those indicated in the operational sections of the
specifications is not implied. Exposure to absolute maximum rating conditions for extended periods can
affect product reliability. Electrical parameters are guaranteed only over the recommended operating
temperature range.
Item
Rating
Supply Voltage, VDD
7 V
Output Enable and All Outputs
ICLK
-0.5 V to VDD+0.5 V
-0.5 V to 5.5 V
0 to +70° C
Ambient Operating Temperature (commercial)
Ambient Operating Temperature (industrial)
Storage Temperature
-40 to +85° C
-65 to +150° C
125°C
Junction Temperature
Soldering Temperature
260°C
Recommended Operation Conditions
Parameter
Min.
Typ.
Max.
+70
Units
° C
Ambient Operating Temperature (commercial)
Ambient Operating Temperature (industrial)
Power Supply Voltage (measured in respect to GND)
0
-40
+85
° C
+2.375
+5.25
V
DC Electrical Characteristics
VDD=2.5 V 5ꢀ, Ambient temperature -40 to +85°C, unless stated otherwise
Parameter
Symbol
Conditions
Min.
2.375
Typ.
Max.
Units
Operating Voltage
VDD
2.625
5.5
V
V
Input High Voltage, ICLK
Input Low Voltage, ICLK
Input High Voltage, OE
Input Low Voltage, OE
Output High Voltage
V
Note 1
Note 1
VDD/2+0.5
IH
V
VDD/2-0.5
VDD
V
IL
V
1.8
2
V
IH
V
0.7
V
IL
V
I
I
= -16 mA
= 16 mA
V
OH
OH
Output Low Voltage
V
0.4
V
OL
OL
Operating Supply Current
Nominal Output Impedance
Input Capacitance
IDD
No load, 135 MHz
25
20
5
mA
Ω
Z
O
C
ICLK, OE pin
pF
mA
IN
Short Circuit Current
I
28
OS
IDT® LOW SKEW 1 TO 4 CLOCK BUFFER
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DC Electrical Characteristics (continued)
VDD=3.3 V 5ꢀ , Ambient temperature -40 to +85°C, unless stated otherwise
Parameter
Symbol
Conditions
Min.
3.15
Typ.
Max.
3.45
Units
Operating Voltage
VDD
V
V
V
V
V
V
V
V
Input High Voltage, ICLK
Input Low Voltage, ICLK
Input High Voltage, OE
Input Low Voltage, OE
Output High Voltage
V
Note 1
Note 1
VDD/2+0.7
5.5
IH
V
VDD/2-0.7
VDD
IL
V
2
IH
V
0.8
IL
V
I
I
I
= -25 mA
= 25 mA
= -12 mA
2.4
OH
OH
OL
OH
Output Low Voltage
V
0.4
OL
Output High Voltage (CMOS
Level)
V
VDD-0.4
OH
Operating Supply Current
Nominal Output Impedance
Input Capacitance
IDD
No load, 135 MHz
ICLK, OE pin
35
20
5
mA
Ω
Z
O
C
pF
mA
IN
Short Circuit Current
I
50
OS
VDD=5 V 5ꢀ , Ambient temperature -40 to +85°C, unless stated otherwise
Parameter
Symbol
Conditions
Min.
4.75
Typ.
Max.
5.25
Units
Operating Voltage
VDD
V
V
V
V
V
V
V
V
Input High Voltage, ICLK
Input Low Voltage, ICLK
Input High Voltage, OE
Input Low Voltage, OE
Output High Voltage
V
Note 1
Note 1
VDD/2+1
5.5
IH
V
VDD/2-1
VDD
0.8
IL
V
2
IH
V
IL
V
I
I
I
= -35 mA
= 35 mA
= -12 mA
2.4
OH
OH
OL
OH
Output Low Voltage
V
0.4
OL
Output High Voltage (CMOS
Level)
V
VDD-0.4
OH
Operating Supply Current
Nominal Output Impedance
Input Capacitance
IDD
No load, 135 MHz
ICLK, OE pin
45
20
5
mA
Ω
Z
O
C
pF
mA
IN
Short Circuit Current
I
80
OS
Notes: 1. Nominal switching threshold is VDD/2
IDT® LOW SKEW 1 TO 4 CLOCK BUFFER
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FAN OUT BUFFER
AC Electrical Characteristics
VDD = 2.5 V 5ꢀ, Ambient Temperature -40 to +85° C, unless stated otherwise
Parameter
Symbol
Conditions
Min.
Typ. Max. Units
Input Frequency
0
200
1.5
1.5
5
MHz
ns
Output Rise Time
t
0.8 to 2.0 V, C =15 pF
1.0
1.0
3
OR
L
Output Fall Time
t
2.0 to 0.8 V, C =15 pF
ns
OF
L
Propagation Delay
Additive Period Jitter
Output to Output Skew
Device to Device Skew
Note 1
2.2
ns
1
ps
Note 2
Rising edges at VDD/2
Rising edges at VDD/2
0
50
500
ps
ps
VDD = 3.3 V 5ꢀ, Ambient Temperature -40 to +85° C, unless stated otherwise
Parameter
Symbol
Conditions
Min.
Typ. Max. Units
Input Frequency
0
200
1.0
1.0
4
MHz
ns
Output Rise Time
t
0.8 to 2.0 V, C =15 pF
0.6
0.6
2.4
OR
L
Output Fall Time
t
2.0 to 0.8 V, C =15 pF
ns
OF
L
Propagation Delay
Additive Period Jitter
Output to Output Skew
Device to Device Skew
Note 1
2.0
ns
1
ps
Note 2
Rising edges at VDD/2
Rising edges at VDD/2
0
50
500
ps
ps
VDD = 5 V 5ꢀ, Ambient Temperature -40 to +85° C, unless stated otherwise
Parameter
Symbol
Conditions
Min.
Typ. Max. Units
Input Frequency
0
200
0.7
0.7
4
MHz
ns
Output Rise Time
t
0.8 to 2.0 V, C =15 pF
0.3
0.3
2.5
OR
L
Output Fall Time
t
2.0 to 0.8 V, C =15 pF
ns
OF
L
Propagation Delay
Note 1
1.8
ns
Additive Period Jitter
Output to Output Skew
Device to Device Skew
Notes: 1. With rail to rail input clock
1
ps
Note 2
Rising edges at VDD/2
Rising edges at VDD/2
0
50
500
ps
ps
2. Between any 2 outputs with equal loading.
3. Duty cycle on outputs will match incoming clock duty cycle. Consult IDT for tight duty cycle clock
generators.
IDT® LOW SKEW 1 TO 4 CLOCK BUFFER
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LOW SKEW 1 TO 4 CLOCK BUFFER
FAN OUT BUFFER
Thermal Characteristics
Parameter
Symbol
Conditions
Min.
Typ. Max. Units
Thermal Resistance Junction to
Ambient
θ
Still air
150
140
120
40
° C/W
° C/W
° C/W
° C/W
JA
θ
1 m/s air flow
3 m/s air flow
JA
θ
JA
Thermal Resistance Junction to Case
θ
JC
Marking Diagrams
8
5
8
5
553MILF
LOT
YYWW
553MLF
LOT
YYWW
1
4
1
4
Notes:
1. “LOT” is the lot number.
2. YYWW is the last two digits of the year and week that the part was assembled.
3 “LF” denotes RoHS compliant package.
4. “I” denotes industrial temperature range device.
5. Bottom marking: country of origin.
IDT® LOW SKEW 1 TO 4 CLOCK BUFFER
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FAN OUT BUFFER
Package Outline and Package Dimensions (8-pin SOIC, 150 Mil. Narrow Body)
Package dimensions are kept current with JEDEC Publication No. 95
Millimeters
Inches*
Symbol
Min
Max
1.75
0.25
0.51
0.25
5.00
4.00
Min
Max
8
A
A1
B
C
D
E
e
1.35
0.10
0.33
0.19
4.80
3.80
.0532
.0040
.013
.0688
.0098
.020
.0075
.1890
.1497
.0098
.1968
.1574
E
H
INDEX
AREA
1.27 BASIC
0.050 BASIC
H
h
5.80
6.20
0.50
1.27
8°
.2284
.010
.016
0°
.2440
.020
.050
8°
1
2
0.25
0.40
0°
L
D
α
*For reference only. Controlling dimensions in mm.
A
h x 45
A1
C
- C -
e
SEATING
PLANE
B
L
.10 (.004)
C
Ordering Information
Part / Order Number
553MLF
Marking
553MLF
553MLF
553MILF
553MILF
Shipping Packaging
Tubes
Package
8-pin SOIC
8-pin SOIC
8-pin SOIC
8-pin SOIC
Temperature
0 to +70° C
0 to +70° C
-40 to +85 ° C
-40 to +85 ° C
553MLFT
553MILF
553MILFT
Tape and Reel
Tubes
Tape and Reel
"LF" suffix to the part number are the Pb-Free configuration and are RoHS compliant.
While the information presented herein has been checked for both accuracy and reliability, Integrated Device Technology (IDT)
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 IDT. IDT reserves the right to change any
circuitry or specifications without notice. IDT does not authorize or warrant any IDT product for use in life support devices or
critical medical instruments.
IDT® LOW SKEW 1 TO 4 CLOCK BUFFER
7
ICS553
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ICS553
LOW SKEW 1 TO 4 CLOCK BUFFER
FAN OUT BUFFER
Innovate with IDT and accelerate your future networks. Contact:
www.IDT.com
For Sales
800-345-7015
408-284-8200
Fax: 408-284-2775
For Tech Support
www.idt.com/go/clockhelp
Corporate Headquarters
Integrated Device Technology, Inc.
www.idt.com
© 2012 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice. IDT and the IDT logo are trademarks of Integrated Device
Technology, Inc. Accelerated Thinking is a service mark of Integrated Device Technology, Inc. All other brands, product names and marks are or may be trademarks or registered
trademarks used to identify products or services of their respective owners.
Printed in USA
相关型号：
ICS553MIT
Low Skew Clock Driver, 4 True Output(s), 0 Inverted Output(s), CMOS, PDSO8, 0.150 INCH, SOIC-8
IDT
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