ZERO DELAY, SKEW BUFFER MK2308-2 jitter, skew, high performance P
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MK2308-2
ZERO DELAY, SKEW BUFFER
MK2308-2 jitter, skew, high performance Phase-Lock Loop (PLL) based zero delay buffer high speed applications. Based ICS' proprietary jitter techniques, device provides eight skew outputs speeds MK2308-2 includes bank four outputs running 1/2X. zero delay mode, rising edge input clock aligned with rising edges eight outputs. Compared competitive CMOS devices, MK2308-2 lowest jitter.
Features
Packaged 16-pin SOIC Zero input-output delay Four outputs plus four 1/2X outputs Output output skew less than Output clocks Ability generate input Full CMOS outputs with output drive capability levels spectrum clock generators
Spread Smarttechnology works with spread Advanced, power, micron CMOS process Operating voltage
Block Diagram
CLKA1 FBIN CLKIN CLKA2 CLKA3 CLKA4 BANK
CLKB1 CLKB2
Control Logic
CLKB3 CLKB4
BANK
2308-2
Race Stre 5126
Revision 111103 97-12
MK2308-2 ZERO DELAY, SKEW BUFFER
Assignment
CLKIN CLKA1 CLKA2 CLKB1 CLKB2 FBIN CLKA4 CLKA3 CLKB4 CLKB3
Feedback Configuration Table
Feedback From Bank Bank CLKA1:A4 CLKIN 2XCLKIN CLKB1:B4 CLKIN/2 CLKIN
16-pin (150 mil) SOIC
Output Clock Mode Select Table
Clocks A1:A4 Tri-state (high impedance) Running Running Running Clocks B1:B4 Tri-state (high impedance) Tri-state (high impedance) Running Running Internet Generation None Buffer only zero delay) Status
Descriptions
Number Name CLKIN CLKA1:A4 CLKB1:B4 CLKB1:B4 CLKA1:A4 FBIN Type Input Output Power Power Output Input Input Output Power Power Output Input Description Clock input. Connect input clock source. Clock bank four outputs. Power supply. Connect same voltage (either Connect ground. Clock bank four outputs. These skew divide bank Select input Selects mode outputs table above. Select input Selects mode outputs table above. Clock bank four outputs. These skew divide bank Connect ground. Power supply. Connect same voltage (either Clock bank four outputs. Feedback input. Determines outputs table above.
2308-2 grated Circuit Systems
Street, Jose, 9512
Revision 111103 297-1
MK2308-2 ZERO DELAY, SKEW BUFFER
External Components
MK2308-2 requires minimum number external components proper operation. Decoupling capacitors 0.1µF should connected between GND, close part possible. series terminating resistor should used each clock output reduce reflections.
Absolute Maximum Ratings
Stresses above ratings listed below cause permanent damage MK2308-2. These ratings, which standard values commercially rated parts, stress ratings only. Functional operation device these other conditions above those indicated operational sections specifications implied. Exposure absolute maximum rating conditions extended periods affect product reliability. Electrical parameters guaranteed only over recommended operating temperature range.
Item
Supply Voltage, Inputs Outputs Ambient Operating Temperature Storage Temperature Junction Temperature Soldering Temperature
Rating
-0.5 VDD+0.5 +150
Recommended Operation Conditions
Parameter
Ambient Operating Temperature Power Supply Voltage (measured respect GND)
Min.
+3.0
Typ.
Max.
+5.5
Units
Electrical Characteristics
VDD=3.3 ±10%, Temp +70° /-40 +85°
Parameter
Operating Voltage Input High Voltage Input Voltage Input High Voltage Input Voltage Output High Voltage Output Voltage Output High Voltage
Symbol
Conditions
CLKIN only CLKIN only
Min.
(VDD/2)+1
Typ.
VDD/2 VDD/2
Max.
(VDD/2)-1
Units
VDD-0.4
2308-2 grated Circuit Systems
Street, Jose, 9512
Revision 111103 297-1
MK2308-2 ZERO DELAY, SKEW BUFFER
Parameter
Operating Supply Current MHz, CLKIN Short Circuit Current Input Capacitance
Symbol
Conditions
Load S1=S2=1 Each output FBIN
Min.
Typ.
Max.
Units
Electrical Characteristics
3.3V ±10%, Temp +70°/ +85°
Parameter
Input Frequency Output Frequency Output Rise Time Output Fall Time Output Clock Duty Cycle Device Device skew, equally loaded Output Output skew, equally loaded Maximum Absolute Jitter Cycle Cycle Jitter
Symbol
Conditions
FBIN CLKA1 S1=S2=1 FBIN CLKA1 S1=S2=1
Min.
Typ.
Max. Units
±250
CL=30 CL=30 1.4V rising edges VDD/2 rising edges VDD/2 loads 66.67 outputs loads 66.67 outputs
Skew from Output Bank Output Bank Delay CLKIN Rising Edge FBIN Rising Edge Lock Time tLOCK
outputs equally loaded measured VDD/2 Stable power supply, valid clocks CLKIN, FBIN
Thermal Characteristics
Parameter
Thermal Resistance Junction Ambient
Symbol
Conditions
Still flow flow
Min.
Typ.
Max. Units
°C/W °C/W °C/W °C/W
Thermal Resistance Junction Case
2308-2 grated Circuit Systems
Street, Jose, 9512
Revision 111103 297-1
MK2308-2 ZERO DELAY, SKEW BUFFER
Package Outline Package Dimensions (16-pin SOIC, Mil. Narrow Body)
Package dimensions kept current with JEDEC Publication
Millimeters Symbol Inches
INDEX AREA
1.35 1.75 0.10 0.25 0.33 0.51 0.19 0.25 9.80 10.00 3.80 4.00 1.27 BASIC 5.80 6.20 0.25 0.50 0.40 1.27
.0532 .0688 .0040 .0098 .013 .020 .0075 .0098 .3859 .3937 .1497 .1574 0.050 BASIC .2284 .2440 .010 .020 .016 .050
SEATING PLANE
(.004)
Ordering Information
Part Order Number
MK2308S-2 MK2308S-2T MK2308S-2I MK2308S-2IT
Marking
MK2308S-2 MK2308S-2T MK2308S-2I MK2308S-2IT
Shipping packaging
Tubes Tape Reel Tubes Tape Reel
Package
16-pin SOIC 16-pin SOIC 16-pin SOIC 16-pin SOIC
Temperature
+85° +85°
While information presented herein been checked both accuracy reliability, Integrated Circuit Systems (ICS) assumes responsibility either infringement patents other rights third parties, which would result from use. other circuits, patents, licenses implied. This product intended normal commercial applications. other applications such those requiring extended temperature range, high reliability, other extraordinary environmental requirements recommended without additional processing ICS. reserves right change circuitry specifications without notice. does authorize warrant product life support devices critical medical instruments.
2308-2 grated Circuit Systems
Street, Jose, 9512
Revision 111103 297-1
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