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P R E L I M I N A RY I N F O R M AT I O N
MK3807-01
Buffer/Clock Driver
Description
The MK3807-01 is a low skew 3.3V, 1 to 10 fanout buffer. The large fanout from a single input line reduces loading on the input clock. The TTL level outputs reduce noise levels on the part. Typical applications are clock and signal distribution.
Features
* Packaged in 20 pin SOIC/SSOP (3.3V) * One to ten fanout Buffer * Maximum skew between outputs of same package
0.35ns
* Maximum skew between outputs of different
packages 0.75ns
* * * * *
Max propagation delay of 3.8ns Operating voltage of 3.3V Advanced, low power, CMOS process Industrial temp range -40 C to +85 C Hysteresis on all inputs
Block Diagram
CLK1 CLK2 CLK3 CLK4 IN CLK5 CLK6 CLK7 CLK8 CLK9 CLK10
MDS 3807-01 A
1
Revision 070903
Integrated Circuit Systems, Inc. 525 Race Street, San Jose, CA 95126 tel (408) 295-9800 www.icst.com
Preliminary Information
MK3807-01 Buffer/Clock Driver
Pin Assignment
IN GND CLK1 VDD CLK2 GND CLK3 VDD CLK4 GND 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 VDD CLK10 CLK9 GND CLK8 VDD CLK7 GND CLK6 CLK5
20 pin (150 mil) SSOP
Pin Descriptions
Pin Number
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Pin Name
IN GND CLK1 VDD CLK2 GND CLK3 VDD CLK4 GND CLK5 CLK6 GND CLK7 VDD CLK8 GND CLK9 CLK10 VDD
Pin Type
Input Power Output Power Output Power Output Power Output Power Output Output Power Output Power Output Power Output Output Power Clock input. Connect to ground. Clock output. Connect to +3.3V Clock output. Connect to ground. Clock output. Connect to +3.3V Clock output. Connect to ground. Clock output. Clock output. Connect to ground. Clock output. Connect to +3.3V Clock output. Connect to ground. Clock output. Clock output. Connect to +3.3V
Pin Description
MDS 3807-01 A
2
Revision 070903
Integrated Circuit Systems, Inc. 525 Race Street, San Jose, CA 95126 tel (408) 295-9800 www.icst.com
Preliminary Information
MK3807-01 Buffer/Clock Driver
External Components
The MK3807-01 requires a minimum number of external components for proper operation.
with the clock line, as close to the clock output pin as possible. The nominal impedance of the clock output is 20.
Decoupling Capacitors
Decoupling capacitors of 0.01F must be connected between VDD and GND, as close to these pins as possible. For optimum device performance, the decoupling capacitors should be mounted on the component side of the PCB. Avoid the use of vias in the decoupling circuit.
PCB Layout Recommendations
For optimum device performance and lowest output phase noise, the following guidelines should be observed. 1) The 0.01F decoupling capacitors should be mounted on the component side of the board as close to the VDD pins as possible. No vias should be used between the decoupling capacitors and VDD pins. The PCB trace to VDD pin should be kept as short as possible, as should the PCB trace to the ground via. 2) To minimize EMI, the 33 series termination resistor (if needed) should be placed close to the clock output.
Series Termination Resistor
When the PCB trace between the clock outputs and the loads are over 1 inch, series termination should be used. To series terminate a 50 trace (a commonly used trace impedance) place a 33 resistor in series
Absolute Maximum Ratings
Stresses above the ratings listed below can cause permanent damage to the MK3807-01. These ratings, which are standard values for ICS 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
Supply Voltage, VDD All Inputs and Outputs Ambient Operating Temperature Storage Temperature Junction Temperature Soldering Temperature 7V
Rating
-0.5V to VDD+0.5V -40 to +85C -65 to +150C 175C 260C
Recommended Operation Conditions
Parameter
Ambient Operating Temperature Power Supply Voltage (measured in respect to GND)
Min.
-40 +3.135
Typ.
+3.3
Max.
+85 +3.465
Units
C V
MDS 3807-01 A
3
Revision 070903
Integrated Circuit Systems, Inc. 525 Race Street, San Jose, CA 95126 tel (408) 295-9800 www.icst.com
Preliminary Information
MK3807-01 Buffer/Clock Driver
DC Electrical Characteristics
Unless stated otherwise, VDD = 3.3V 5%, Ambient Temperature -40 C to +85 C
Parameter
Operating Voltage Quiescent Power Supply Current Quiescent Power Supply Current
Symbol
VDD ICC ICC
Conditions
VCC=Max VIN=GND or VCC VCC=Max VIN=@TTL HIGH (VCC-0.6V) High Level Input pins Low Level Input pins VCC=min VIN=VIH or VIL IOH = -0.1mA, IOH = -8mA VCC=min VIN=VIH or VIL IOL= -0.1mA, IoL=16ma IoL=24ma VCC=mAX, VOUT=GND VIN=0V, Note1 VOUT=0V, Note1
Min.
3.135
Typ.
3.3 3 2.0
Max.
3.465 30 300
Units
V uA uA
Input High Voltage Input Low Voltage Output High Voltage
VIH VIL VOH
2 -0.5
5.5 0.8
V V
VDD-0.2 2.4
V 3.0
Output Low Voltage
VOL
0.2 0.4 0.5 -60 -135 5 5.5 150 -240 6.0 8.0
V
Short Circuit Current Input Capacitance Output Capacitance Input Hysteresis
IOS CIN COUT VH
mA pF pF mV
Note1: This parameter is not tested.
MDS 3807-01 A
4
Revision 070903
Integrated Circuit Systems, Inc. 525 Race Street, San Jose, CA 95126 tel (408) 295-9800 www.icst.com
Preliminary Information
MK3807-01 Buffer/Clock Driver
AC Electrical Characteristics
Unless stated otherwise, VDD = 3.3V 5%, Ambient Temperature -40 C to +85 C
Parameter
Skew between outputs of same package Skew between opposite transitions of same output Propagation Delay IN to ON Skew between outputs of different package at same power supply, temperature and speed grade Output Rise Time 0.8V to 2.0V Output Fall Time 2.0V to 0.8V Duty Cycle Measured at VDD/2 Test Frequency
Symbol
tsk9=(0) tsk(p) tpLH/tpHL tsk(t)
Conditions
CL=50pF, RL=500 CL=50pF, RL=500 CL=50pF, RL=500 CL=50pF, RL=500
Min.
Typ.
Max. Units
0.35 0.35 ns ns ns ns
1.5
3.8 0.75
tr(o)
CL=50pF, RL=500 CL=50pF, RL=500 CL=50pF, RL=500 45
1.5
ns
tf(o)
1.5
ns
DC
55
%
1
100
MHz
MDS 3807-01 A
5
Revision 070903
Integrated Circuit Systems, Inc. 525 Race Street, San Jose, CA 95126 tel (408) 295-9800 www.icst.com
Preliminary Information
MK3807-01 Buffer/Clock Driver
Package Outline and Package Dimensions (20 pin SOIC, 300Mil. Body)
Package dimensions are kept current with JEDEC Publication No. 95
Millimeters Symbol Min Max Inches Min Max
20
E INDEX AREA
H
12 D
A A1 B C D E e H h L
-2.65 0.10 -0.33 0.51 0.18 0.32 12.60 13.00 7.40 7.60 1.27 BASIC 10.00 10.65 0.25 0.75 0.40 1.27 0 8
-.104 .0040 -.013 .020 .007 .013 .496 .512 .291 .299 0.050 BASIC .394 .419 .010 .029 .016 .050 0 8
A A1
h x 45 C
-Ce
B SEATING PLANE L
.10 (.004)
C
MDS 3807-01 A
6
Revision 070903
Integrated Circuit Systems, Inc. 525 Race Street, San Jose, CA 95126 tel (408) 295-9800 www.icst.com
Preliminary Information
MK3807-01 Buffer/Clock Driver
Package Outline and Package Dimensions (20 pin SSOP, 150Mil. Body)
Package dimensions are kept current with JEDEC Publication No. 95
20
Millimeters Symbol Min Max
Inches Min Max
E1 INDEX AREA
E
12 D
A A1 A2 b C D E E1 e L
1.35 1.75 0.10 0.25 -1.50 0.20 0.30 0.18 0.25 8.55 8.75 5.80 6.20 3.80 4.00 0.635 Basic 0.40 1.27 0 8
.053 .069 .0040 .010 -.059 0.008 0.012 .007 .010 .337 .344 .228 .244 .150 .157 0.025 Basic .016 .050 0 8
A 2 A 1
A
c
-Ce
b SEATING PLANE L
.10 (.004)
C
Ordering Information
Part / Order Number
MK3807-01SI MK3807-01SIT MK3807-01RI MK3807-01RIT
Marking
MK3807-01SI MK3807-01SI MK3807-01RI MK3807-01RI
packaging
Tubes Tape and Reel Tubes Tape and Reel
Package
20 pin SOIC 20 pin SOIC 20 pin SSOP 20 pin SSOP
Temperature
-40 to +85 C -40 to +85 C -40 to +85 C -40 to +85 C
While the information presented herein has been checked for both accuracy and reliability, Integrated Circuit Systems (ICS) 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 ICS. ICS reserves the right to change any circuitry or specifications without notice. ICS does not authorize or warrant any ICS product for use in life support devices or critical medical instruments. MDS 3807-01 A
7
Revision 070903
Integrated Circuit Systems, Inc. 525 Race Street, San Jose, CA 95126 tel (408) 295-9800 www.icst.com

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