VOLT ZERO DELAY, SKEW BUFFER MK2308-1 phase noise, high-speed bas
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MK2308-1
VOLT ZERO DELAY, SKEW BUFFER
MK2308-1 phase noise, high-speed based, 8-output, low-skew zero delay buffer. Based ICS' proprietary jitter Phase Locked Loop (PLL) techniques, device provides eight skew outputs speeds outputs generated from (for zero delay), directly from input (for testing), tri-state mode stop level. normal operation zero delay buffer, output clock tied FBIN pin. manufactures variety clock generators buffers.
Features
Clock outputs from Zero input-output delay Eight skew (<200 outputs Device-to-device skew <700 Full CMOS outputs with output drive capability levels tolerant FBIN CLKIN pins Tri-state mode board-level testing Advanced, power, sub-micron CMOS process Operating voltage Industrial temperature range available Packaged 16-pin SOIC
Block Diagram
Control Logic
CLKA1 CLKA2
CLKIN
CLKA3 CLKA4
FBIN
Clock Synthesis
CLKB1 CLKB2 CLKB3 CLKB4
Feedback shown from CLKB4 illustration, come from output.
2308-1
Street, Jose,
Revision 100603 (408 -980
ww.i
MK2308-1 VOLT ZERO DELAY, SKEW BUFFER
Assignment
LKA1 LKA2 LKB1 LKB2 LKA4 LKA3 LKB4 LKB3
Output Clock Mode Select Table
CLKA1:A4 Tri-state (note Running Running Running CLKB1:B4 Tri-state (note Tri-state (note Running Running Source CLKIN (note Status
Note Outputs high impedance state Note Buffer mode only; zero delay between input output
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 Clock input tolerant). Clock outputs A1:A4. table above. Power supply. Connect Connect ground. Clock outputs B1:B4. table above. Select input table above. Internal pull-up. Select input table above. Internal pull-up. Clock outputs B1:B4. table above. Connect ground. Power supply. Connect Clock outputs A1:A4. table above. Feedback input. Connect output under normal operation tolerant).
2308-1 grated Circuit Systems
Race Stree Jose,
Revision 100603 95-98
www.icst.com
MK2308-1 VOLT ZERO DELAY, SKEW BUFFER
External Components
MK2308-1 requires minimum number external components proper operation. Decoupling capacitors 0.01 should connected between pins pins close device possible. series termination resistor used each clock output reduce reflections.
Absolute Maximum Ratings
Stresses above ratings listed below cause permanent damage MK2308-1. 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 CLKIN FBIN inputs Electrostatic Discharge Ambient Operating Temperature Industrial Temperature Commercial temperature Storage Temperature Junction Temperature Soldering Temperature
Rating
-0.5 VDD+0.5 -0.5 2000 +70°C +85°C 70°C +150°C 150°C 260°C
Recommended Operation Conditions
Parameter
Ambient Operating Temperature (Industrial) Ambient Operating Temperature (Commercial) Power Supply Voltage (measured respect GND)
Min.
+3.0
Typ.
Max.
+3.6
Units
2308-1 grated Circuit Systems
Race Stree Jose,
Revision 100603 95-98
www.icst.com
MK2308-1 VOLT ZERO DELAY, SKEW BUFFER
Electrical Characteristics
VDD=3.3 ±10%, Ambient temperature +85°C(Industrial), (0-70°C Commercial),
Parameter
Operating Voltage Input High Voltage Input Voltage Input Current Input High Current Output High Voltage Output Voltage Output High Voltage, CMOS level Operating Supply Current Power Down Supply Current Short Circuit Current Input Capacitance
Symbol
IDDPD
Conditions
Min.
Typ.
Max.
Units
Load, Note CLKIN CLKIN Note Each output FBIN VDD-0.4
Electrical Characteristics
±10%, Ambient Temperature +85°C(Industrial), (0-70°C Commercial)
Parameter
Input Clock Frequency Output Clock Frequency Output Rise Time Output Fall Time Output Clock Duty Cycle Device Device Skew Output Output Skew Input Output Skew Maximum Absolute Jitter
Symbol
Conditions
table page table page CL=30 CL=30 measured VDD/2 rising edges VDD/2 rising edges VDD/2 rising edges VDD/2, FBIN CLKA4, Note CL=15 measured 66.67M
Min.
Typ.
Max. Units
1.25
±250
2308-1 grated Circuit Systems
Race Stree Jose,
Revision 100603 95-98
www.icst.com
MK2308-1 VOLT ZERO DELAY, SKEW BUFFER
Parameter
Cycle Cycle Jitter
Symbol
Conditions
CL=30 measured 66.67M CL=15 measured 66.67M CL=15 measured 133.33M
Min.
Typ.
Max. Units
Lock Time
Note
Note With CLKIN 100MHz, FBIN CLKA4, outputs Note When there clock signal present CLKIN, MK2308-1 will enter power down mode. stopped outputs tri-state. Note With steady rate 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
2308-1 grated Circuit Systems
Race Stree Jose,
Revision 100603 95-98
www.icst.com
MK2308-1
VOLT 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-1I MK2308S-1IT MK2308S-1 MK2308S-1T
Marking
MK2308S-1I MK2308S-1I MK2308S-1 MK2308S-1
Shipping packaging
Tubes Tape Reel Tubes Tape Reel
Package
16-pin SOIC 16-pin SOIC 16-pin SOIC 16-pin SOIC
Temperature
+85° +85° +70° +70°
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.
2308-1
Street, Jose,
Revision 100603 (408 -980
ww.i
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