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PI6C10806
1.8V/2.5V, 250MHz, Low Skew 1:6 Crystal to LVCMOS Clock Buffer
Features
* * * * * * * * Six low skew outputs: < 80ps Crystal oscillator input: 10MHz to 40MHz Switching frequency up to 250 MHz Fast output rise/fall time: < 800ps Synchronous output enables Industrial Temperature range: -40C to +85C 1.8V and 2.5V operation Packaging (Pb-free & Green available): - 16-pin 173-mil wide TSSOP (L)
Description
Pericom Semiconductor's PI6C10806 is a low skew six output crystal oscillator driver. Crystal oscillator input range is from 10MHz to 40MHz. If XTAL_IN is driven with a signal source, then the input frequency can be as high as 250MHz. PI6C10806, the outputs are configured into 2 groups: a five output and a single output; each with independent output enable. PI6C10806 has a wide range of operating voltages: 1.8V and 2.5V. This feature paired with the low output-to-output and part-to-part skew makes the device ideal for low voltage, low power, high frequency single ended applications; such as networking
Block Diagram
Pin Configuration
XTAL_OUT 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 XTAL_IN ENABLE1 BCLK5 VDDO BCLK4 GND BCLK3 VDD
XTAL_IN XTAL_OUT ENABLE1 Sync
5 BCLK[0:4]
ENABLE2 GND BCLK0 VDDO
BCLK5 ENABLE2 Sync
BCLK1 GND BCLK2
Pin Description
Pin Name ENABLE1, ENABLE2 XTAL_IN XTAL_OUT BCLK[0:5] GND VDD VDDO Description Active High Output Enable Inputs Crystal interface Crystal interface Clock Outputs Ground Core Power Output Power
Truth Table(1)
Inputs ENABLE1 L L H H Note: 1. ENABLE2 L H L H L L Switching Switching Outputs BCLK[0:4] BCLK5 L Switching L Switching
H = High Voltage Level, L = Low Voltage Level
07-0112
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PS8823B
04/27/07
PI6C10806 1.8V/2.5V Low Skew 1:6 Crystal to LVCMOS Clock Buffer
2.5V Absolute Maximum Ratings (Above which the useful life may be impaired. For user guidelines only, not tested.)
Storage Temperature...........................................................-65C to +150C VDD, VDDO Voltage ...............................................................-0.5V to +3.6V Output Voltage (max. 3.6V) .......................................... -0.5V to VDD+0.5V Input Voltage (max 3.6V) .............................................. -0.5V to VDD+0.5V
Note: Stresses greater than those listed under MAXIMUM RAT INGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.
2.5V I/O DC Characteristics (Over Operating Range: VDD = 2.5V 5%, TA = -40 to 85C)
Parameters VDDO VIH VIL VOH VOL Description I/O Supply Voltage Input HIGH Voltage Input LOW Voltage Output High Voltage Output LOW Voltage Logic HIGH level Logic LOW level VDDO = Min., VIN = VIH or VIL VDDO = Min., VIN = VIH or VIL IOH = -1mA IOH = -8mA IOL = 1mA IOL = 8mA Test Conditions(1) Min. 2.375 1.7 -0.3 2 2 0.4 0.4 V Typ. (2) 2.5 Max. 2.625 VDD+0.3 0.7 V Units
Notes: 1. For Max. or Min. conditions, use appropriate operating range values. 2. Typical values are at VCC = 2.5V, +25C ambient and maximum loading.
2.5V I/O AC Characteristics (Over Operating Range: VDD/VDDO = 2.5V 5%, TA = -40 to 85C)
Parameters fOUT tDC tR/tF tSK(O)(3) tDIS,tEN( 4) Description Output Frequency Output Duty Cycle CLKn Rise/Fall Time Output to Output Skew between any two outputs of the same device @ same transition Output Enable/Disable Test Conditions(1) Using Crystal External Clock @ VDDO/2 20% to 80% @VDDO/2 @VDDO/2
(2)
Min. 10 0 47 150
Typ
Max. 40 250 53 800 60 4
Units MHz % ps ps cycles
Notes: 1. Unless noted otherwise, all parameters are tested with xtal @ f <= Fxtal_max,; outputs are terminated @ 50 to VDDO/2, see waveforms. 2. External clock source is driving XTAL_IN input 3. Identical conditions: loading, transitions, supply voltage, temperature, package type and speed grade. 4. These parameters are guaranteed, but not tested. Min & Max delay is 4 cycles.
07-0112
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PS8823B
04/27/07
PI6C10806 1.8V/2.5V Low Skew 1:6 Crystal to LVCMOS Clock Buffer
1.8V Absolute Maximum Ratings (Above which the useful life may be impaired. For user guidelines only, not tested.)
Storage Temperature...........................................................-65C to +150C VDDO,VDD Voltage................................................................-0.5V to +2.5V Output Voltage (max 2.5V) .......................................... -0.5V to VDD+0.5V Input Voltage (max 2.5V) ............................................. -0.5V to VDD+0.5V
Note: Stresses greater than those listed under MAXIMUM RAT INGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.
1.8V I/O DC Characteristics (Over Operating Range: TA = -40 to 85C)
Parameters Description VDD VDDO VIH VIL IL VOH VOL 2.5V Core Supply 1.8V Core Supply I/O Supply Voltage Input HIGH Voltage Input LOW Voltage Input Current Output High Voltage Output Low Voltage Logic HIGH level Logic LOW level VDD = Max, VIN = VDD or GND I pin VDD = Min., VIN = VIH or VIL VDD = Min., VIN = VIH or VIL IOH = -2mA IOH = -8mA IOL = 2mA IOL = 8mA 1.2 1.2 0.35 0.35 V Test Conditions(1) Min. 2.375 1.6 1.6 0.65*VDD -0.3 Typ. (2) 2.5 1.8 1.8 Max. 2.625 2.0 2.0 VDD+0.3 0.35*Vdd 15 A V Units
Notes: 1. For Max. or Min. conditions, use appropriate operating Vdd and Ta values. 2. Typical values are at VCC = 1.8V, +25C ambient and maximum loading.
1.8V I/O AC Characteristics (Over Operating Range: VDDO = 1.8V 0.2V, TA = -40 to 85C)
Parameters VDD fOUT tDC tR/tF tSK(O)(3) tDIS,tEN( 4) Description 2.5V Core Supply 1.8V Core Supply Output Frequency Output Duty Cycle CLKn Rise/Fall Time Output to Output Skew between any two outputs of the same device @ same transition Output Enable/Disable Using Crystal External Clock @ VDDO/2 20% to 80% @VDDO/2 @VDDO\/2
(2)
Test Conditions(1)
Min. 2.375 1.6 10 0 47 150
Typ 2.5 1.8
Max. 2.625 2.0 40 180 53 800 60 4
Units V MHz % ps ps cycles
Notes: 1. Unless noted otherwise, all parameters are tested with xtal @ f <= Fxtal_max,; outputs are terminated @ 50 to VDDO/2, see waveforms. 2. External clock source is driving XTAL_IN input 3. Identical conditions: loading, transitions, supply voltage, temperature, package type and speed grade. 4. These parameters are guaranteed, but not tested. Min & Max delay is 4 cycles.
07-0112
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PS8823B
04/27/07
PI6C10806 1.8V/2.5V Low Skew 1:6 Crystal to LVCMOS Clock Buffer
Phase Noise and Jitter
(Over Operating Range: VDD = VDDO = 1.8V 0.2V, and VDD = VDDO = 2.5V 5%, TA = -40 to 85C) Symbol tJIT PN Description Random RMS Phase Jitter Phase Noise Power Test Conditions(1) 25MHz @ Integration Range 1MHz ~ 20MHz Offset Range 1MHz ~ 20MHz Min. Typ Max. 2.5 -125 Units ps dBc/Hz
Waveforms
Output to Output Skew - tSK(O)
VOH BCLKx tSK(O) BCLKy VDDO/2 VOL tSK(O) VOH VDDO/2 VOL 0V tPZL tPERIOD tDC = (tPW / tPERIOD ) x 100%
Duty Cycle - tDC
tPW VDDO VDDO/2
ENABLE1, ENABLE2 Timing Diagram BCLK5 BCLK[0:4] ENABLE2 ENABLE1
AC Test Circuit Load
[VDD - VDDO/2] [+VDDO/2]
VDD VDDO GND
Scope Z = 50-Ohm 50Ohm
[-VDDO/2]
Note: VDD/VDDO = 1.8V 0.2V, 2.5V 5%
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PS8823B
04/27/07
PI6C10806 1.8V/2.5V Low Skew 1:6 Crystal to LVCMOS Clock Buffer Crystal Characteristic (link to "http://www.pericom.com/saronix" for more detailed crystal specifications)
Parameters OSCMODE FREQ ESR(1) CLOAD CSHUNT DRIVE Mode of Oscillation Frequency Equivalent Series Resistance Load Capacitance Shunt Capacitance Operating Drive Level Correlation Drive Level 10 30 16 Description Min Typ Fundamental 25 40 200 32 7 0.5 0.1 MHz Ohm pF pF mW mW Max. Units
Note: 1. ESR value is dependent upon frequency of oscillation
Application Notes Crystal circuit connection The following diagram shows PI6C10806 crystal circuit connection with a parallel crystal. For the CL=18pF crystal, it is suggested to use C1=18pF, C2=18pF. C1 and C2 can be adjusted to fine tune to the target ppm of crystal oscillator according to different board layouts. R1=100 is strongly suggested.
Crystal Oscillator Circuit
XTAL_IN C1 18pF Crystal (CL = 18pF) 100 XTAL_OUT C2 18pF R1
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PS8823B
04/27/07
PI6C10806 1.8V/2.5V Low Skew 1:6 Crystal to LVCMOS Clock Buffer Package Mechanical - 16-lead TSSOP (L)
16
.169 .177
4.3 4.5
1 .193 .201 4.9 5.1 .004 .008 .047 max. 1.20 SEATING PLANE 0.45 .018 0.75 .030 .252 BSC 6.4
0.09 0.20
.0256 BSC 0.65
.007 .012 0.19 0.30
.002 .006
0.05 0.15
PI6C10806 Ordering Information(1,2,3)
Ordering Code PI6C10806LE Package Code L Package Description Pb-Free and Green 16-pin 173-mil TSSOP
Notes: 1. Thermal characteristics can be found on the company web site at www.pericom.com/packaging/ 2. E = Pb-free and Green 3. X suffix = Tape/Reel
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PS8823B
04/27/07
PI6C10806 1.8V/2.5V Low Skew 1:6 Crystal to LVCMOS Clock Buffer
Packaging Information: HC-49
Package Marking Information
Line 1: Line 2: S = SaRonix xxx = Calib/Stability/Temp Code YYWWX = Date Code Frequency (up to 7 digits, including decimal point) BT-cut = B or AT-cut Parallel = -(dash) or AT-cut Series = leave Blank xx = Load Capacitance (leave Blank if Series)
Land Pattern
Land Pattern
SxxxYYWWX 25.0000-xx
Pericom/Saronix Miniature Low Profile SMD Quartz Crystal Ordering Information
49xxx
Type / Package 49SMLB = 2 contact, 4mm high 49SAB = 4 contact, 5 mm high 49SNC = 4 contact, 5mm high 49SUB = 6 contact, 5mm high Frequency Frequency (in MHz) = 0x.xxxx, xx.xxxx (a zero is used in front of frequencies under 10 MHz)
XXX
-
XX
XXX
X
(X)
Options (T) = Tape and Reel (full increments only) 1000 pieces Blank = Bulk
-E (dash E) = Lead (Pb)-free RoHS Compliant Version Blank = Standard version
B = BT-cut, 26.8 to 50 MHz - (dash) = AT-cut Parallel Resonance Blank = AT-cut Series Resonance Load Capacitance xx = Parallel Resonance (specify load) Blank = Series Resonance Examples:
Calibration / Stability / Temp Range GGC = 30ppm / 30ppm / -20 to +70C GHE = 30ppm / 50ppm / -40 to +85C HJE = 50ppm / 100ppm / -40 to +85C *others available
Pad Connection Configurations
25.0000MHz, 30ppm calib, 30ppm stability, -20 to +70C (Commercial), 16pF 49SMLB25.0000-16GGC 49SMLB25.0000-16GGC-E (for lead-free) 25.0000MHz, 30ppm calib, 30ppm stability, -40 to +85C (Industrial), 16pF 49SMLB25.0000-16GHE 49SMLB25.0000-16GHE-E (for lead-free)
Pericom Semiconductor Corporation * 1-800-435-2336 * www.pericom.com
07-0112
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PS8823B
04/27/07

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