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FS6233-01

Motherboard Clock Generator IC

FS6233-01
AMERICAN MICROSYSTEMS, INC.
Motherboard Clock Generator IC
September 2000
Features
Figure 1: Block Diagram
delay
Crystal Oscillator
adjust
FS6233
Figure 2: Pin Configuration
Table 1: Clock Parameters
Pair 1
3.3V 3.3V 3.3V 3.3V 3.3V
FS6233-01
Pair 2
Table 2: Clock Offsets
RELATION CK66 leads PCI PHASE 0° MIN 1.5ns TYP MAX 3.5ns
Intel and Pentium are registered trademarks of Intel Corporation. Lexmark is a trademark of Lexmark International, Inc. Non-linear spread spectrum modulation profile is licensed under US Patent No. 5488627, Lexmark International, Inc. American Microsystems, Inc. reserves the right to change the detail specifications as may be required to permit improvements in the design of its products.
ISO9001
9.18.00 IntRGR
FS6233-01
Motherboard Clock Generator IC
AMERICAN MICROSYSTEMS, INC.
September 2000
Table 3: Pin Descriptions
PIN 48 24 30, 29, 27 41, 40 38, 37 35 44 45 6, 7, 9, 10, 12, 13, 15, 16, 18, 19 32
TYPE DIO DIO DO AO AO AI DO DO DO DI
ISO9001
FS6233-01
AMERICAN MICROSYSTEMS, INC.
Motherboard Clock Generator IC
September 2000
Programming Information
Table 4: Function / Clock Enable Configuration
It is expected that the Control Inputs will be defined on power-up and will not change during normal operation.
Table 5: Synthesis Error
ACTUAL (MHz) 99.9963 133.3072 49.9982 66.6536 66.6642 33.3321 48.008 DEVIATION (ppm) -36.657 -195.924 -36.657 -195.924 -36.657 -36.657 +167
HOST Buffer Current Control
TARGET (MHz) 100.0000 133.3333 50.0000 66.6667 66.6667 33.3333 48.000
Current Reference
48MHz USB clock is required to be +167ppm off from 48.000MHz to conform to USB standards. Spread spectrum is disabled
Current Scaling
ISO9001
FS6233-01
Motherboard Clock Generator IC
AMERICAN MICROSYSTEMS, INC.
September 2000
Table 6: Current Multiplier
Table 8: HOST Buffer Clock Outputs
Output Voltage (V) 3.30 3.14 2.97 2.81 2.64 2.48 HIGH DRIVE CURRENT (mA) AT PRIMARY SYSTEM CONFIGURATION MIN. 0.00 -3.03 -5.66 -7.87 -9.67 -11.05 -11.98 -12.52 -12.77 -12.91 -12.99 -13.04 -13.07 -13.08 -13.09 -13.11 -13.12 -13.13 -13.13 -13.14 -13.15 TYP. 0.00 -4.22 -7.68 -10.30 -11.91 -12.56 -12.85 -13.07 -13.26 -13.42 -13.54 -13.64 -13.70 -13.73 -13.75 -13.76 -13.78 -13.79 -13.80 -13.81 -13.82 MAX. 0.00 -5.76 -9.86 -11.85 -12.45 -12.84 -13.16 -13.45 -13.72 -13.96 -14.17 -14.36 -14.52 -14.64 -14.71 -14.74 -14.76 -14.78 -14.80 -14.82 -14.83
Figure 2: Current Reference Circuit
IREF Reference Current IREF RIREF
Table 7: HOST Current Selection
Output Voltage (V)
Output Current (mA)
30 50 90 Max VOH
NOTE: Shaded row indicates the Primary System Configuration
Data in this table represents nominal characterization data only
ISO9001
FS6233-01
AMERICAN MICROSYSTEMS, INC.
Motherboard Clock Generator IC
September 2000
Power Management
Table 9: Latency Table
Shaded regions in the Crystal Oscillator and VCO waveforms indicate that the clock is valid and the Crystal Oscillator and VCO are active.
3ms until clock is valid
Dual Function I / O Pins
Figure 4: I / O Pin Programming
Termination Resistor Device Solder Pads
Clock Trace
10k Programming Resistor
Ground or Power Via
ISO9001
FS6233-01
Motherboard Clock Generator IC
AMERICAN MICROSYSTEMS, INC.
September 2000
Electrical Specifications
Table 10: Absolute Maximum Ratings
Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. These conditions represent a stress rating only, and functional operation of the device at these or any other conditions above the operational limits noted in this specification is not implied. Exposure to maximum rating conditions for extended conditions may affect device performance, functionality, and reliability.
SYMBOL VDD VI VO IIK IOK TS TA TJ
MIN. VSS-0.5 VSS-0.5 VSS-0.5 -50 -50 -65 -55
MAX. 7 VDD+0.5 VDD+0.5 50 50 150 125 125 260 2
CAUTION: ELECTROSTATIC SENSITIVE DEVICE
Permanent damage resulting in a loss of functionality or performance may occur if this device is subjected to a high-energy electrostatic discharge.
Table 11: Operating Conditions
ISO9001
FS6233-01
AMERICAN MICROSYSTEMS, INC.
Motherboard Clock Generator IC
September 2000
Table 12: DC Electrical Specifications
PARAMETER Overall Supply Current, Dynamic, with Loaded Outputs Supply Current, Static
SYMBOL
CONDITIONS / DESCRIPTION
UNITS
IDD IDDs
ISO9001
FS6233-01
Motherboard Clock Generator IC
AMERICAN MICROSYSTEMS, INC.
September 2000
Table 13: DC Electrical Specifications, continued
PARAMETER
SYMBOL
CONDITIONS / DESCRIPTION
UNITS
2.0 VSS-0.3 -9 -32 13 20 20 -10 -41 40
VDD+0.3 0.8 5
Figure 5: DC Measurement Points
Figure 6: Timing Diagram
3.3V 2.4V 1.5V 0.4V
Figure 7: HOST Clock Measurement Point
Figure 8: HOST Clock Test Point
From output under test Test node RS
ISO9001
FS6233-01
AMERICAN MICROSYSTEMS, INC.
Motherboard Clock Generator IC
September 2000
Table 14: AC Timing Specifications
PARAMETER Overall Spread Spectrum Modulation Frequency Spread Spectrum Modulation Index Clock Offset Output Tristate Enable Delay Output Tristate Disable Delay Power-up PLL Lock Time
SYMBOL
CONDITIONS / DESCRIPTION
UNITS
fm m tpd tDZL, tDZH tDLZ, tDHZ tL
ISO9001
FS6233-01
Motherboard Clock Generator IC
AMERICAN MICROSYSTEMS, INC.
September 2000
Table 15: AC Timing Specifications, continued
SYMBOL
CONDITIONS / DESCRIPTION
UNITS
dt tsk(o) tj(P) tr min tr max tf min tf max
dt tj(P) tr min tr max tf min tf max
ISO9001
FS6233-01
AMERICAN MICROSYSTEMS, INC.
Motherboard Clock Generator IC
September 2000
Voltage (V) 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 High Drive Current (mA) MIN. 0 11 21 30 37 43 47 50 53 54 55 55 55 56 56 56 TYP. 0 17 32 45 56 65 73 78 82 84 85 85 86 86 86 87 87 MAX. 0 24 45 64 79 92 103 112 117 120 121 122 123 123 124 124 124 125 Voltage (V) 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 Low Drive Current (mA) MIN. -49 -48 -48 -47 -47 -46 -46 -45 -43 -41 -37 -33 -28 -22 -14 -6 TYP. -83 -83 -82 -81 -80 -79 -78 -76 -74 -70 -65 -59 -52 -43 -32 -20 -7 MAX. -132 -131 -130 Output Current (mA) -129 -127 -126 -124 -121 -117 -112 -105 -97 -87 -74 -60 -45 -27 -7
Output Voltage (V)
Data in this table represents nominal characterization data only
Voltage (V) 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 High Drive Current (mA) MIN. 0 8 15 22 27 31 35 37 39 39 40 40 41 41 41 41 TYP. 0 13 24 33 41 48 53 57 60 61 62 63 63 63 63 64 64 MAX. 0 18 33 47 58 68 76 82 86 88 89 90 90 90 91 91 91 91 Voltage (V) 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 Low Drive Current (mA) MIN. -38 -37 -37 -37 -36 -36 -35 -34 -33 -31 -29 -25 -21 -17 -11 -5 TYP. -64 -64 -63 -63 -62 -61 -60 -59 -57 -54 -50 -46 -40 -33 -25 -16 -6 MAX. -102 -101 -100
Output Current (mA)
30 Output Voltage (V) 50 90
Data in this table represents nominal characterization data only
ISO9001
FS6233-01
Motherboard Clock Generator IC
AMERICAN MICROSYSTEMS, INC.
September 2000
Package Information
Table 18: 48-pin SSOP (0.300") Package Dimensions
DIMENSIONS INCHES MIN.
A A1 b c D E E1 e h L 0.095 0.008 0.008 0.005 0.620 0.395 0.291 0.015 0.020 0°
MILLIMETERS MIN.
AMERICAN MICROSYSTEMS, INC.
0.025 BSC
0.64 BSC
SEATING PLANE
Table 19: 48-pin SSOP (0.300") Package Characteristics
PARAMETER
Thermal Impedance, Junction to Free-Air Lead Inductance, Self Lead Inductance, Mutual Lead Capacitance, Bulk Lead Capacitance, Mutual
SYMBOL JA
L11 L12 L13 C11 C12 C13
CONDITIONS / DESCRIPTION
UNITS
ISO9001
FS6233-01
AMERICAN MICROSYSTEMS, INC.
Motherboard Clock Generator IC
September 2000
Table 20: 48-pin TSSOP (6.1mm) Package Dimensions
DIMENSIONS INCHES MIN.
A A1 b c D E E1 e L S 0.002 0.0067 0.0035 0.488 0.236 0.018 0.008 0° 12° REF 12° REF
MILLIMETERS MIN.
0.05 0.17 0.09 12.40 6.00 0.45 0.20 0° 12° REF 12° REF
AMERICAN MICROSYSTEMS, INC.
0.318 BSC 0.019 BSC
8.10 BSC 0.50 BSC
SEATING PLANE
Table 21: 48-pin TSSOP (6.1mm) Package Characteristics
PARAMETER
Thermal Impedance, Junction to Free-Air Lead Inductance, Self Lead Inductance, Mutual Lead Capacitance, Bulk Lead Capacitance, Mutual
SYMBOL JA
L11 L12 L13 C11 C12 C13
CONDITIONS / DESCRIPTION
UNITS
ISO9001
FS6233-01
Motherboard Clock Generator IC
AMERICAN MICROSYSTEMS, INC.
September 2000
Ordering Information
Table 22: Device Ordering Codes
DEVICE NUMBER ORDERING CODE 11995-202
FS6233-01
PACKAGE TYPE
48-pin (0.300") SSOP
OPERATING TEMPERATURE RANGE
SHIPPING CONFIGURATION
Tape and Reel
48-pin (6.1mm) TSSOP
0° C to 70° C (Commercial)
Tubes Tape and Reel Tubes
American Microsystems, Inc., 2300 Buckskin Rd., Pocatello, ID 83201, (208) 233-4690, FAX (208) 234-6796, WWW Address: http://www.amis.com E-mail: tgp@amis.com
ISO9001