ICS954201 Integrated Circuit Systems, Inc. Programmable Timing Control Hub™ for Mobile P4™ Systems Recommended Application: CK410M clock, Intel Yellow Cover part Output Features: • 2 - 0.7V current-mode differential CPU pairs • 7 - 0.7V current-mode differential SRC pair for SATA and PCI-E • 1 - 0.7V current-mode differential CPU/SRC selectable pair • 4 - PCI (33MHz) • 2 - PCICLK_F, (33MHz) free-running • 1 - USB, 48MHz • 1 - DOT, 96MHz, 0.7V current differential pair • 1 - REF, 14.318MHz Features/Benefits: • Supports tight ppm accuracy clocks for Serial-ATA and PCI-Express • Supports spread spectrum modulation, 0 to -0.5% down spread • Supports CPU clocks up to 400MHz • Uses external 14.318MHz crystal, external crystal load caps are required for frequency tuning • Supports undriven differential CPU, SRC pair in PD# for power management. Key Specifications: • CPU outputs cycle-cycle jitter < 85ps • SRC outputs cycle-cycle jitter < 125ps • PCI outputs cycle-cycle jitter < 500ps • +/- 300ppm frequency accuracy on CPU & SRC clocks • +/- 100ppm frequency accuracy on USB clocks Pin Configuration 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 ICS954201 VDDPCI GND PCICLK3 PCICLK4 PCICLK5 GND VDDPCI ITP_EN/PCICLK_F0 PCICLK_F1 Vtt_PwrGd#/PD VDD48 USB_48MHz/FS_A GND DOTT_96MHz DOTC_96MHz FS_B/TEST_MODE SRCCLKT0 SRCCLKC0 SRCCLKT1 SRCCLKC1 VDDSRC SRCCLKT2 SRCCLKC2 SRCCLKT3 SRCCLKC3 SRCCLKT4_SATA SRCCLKC4_SATA VDDSRC Functionality 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 PCICLK2 PCI/SRC_STOP# CPU_STOP# FS_C/TEST_SEL REFOUT GND X1 X2 VDDREF SDATA 1. SCLK GND 2. CPUCLKT0 CPUCLKC0 VDDCPU CPUCLKT1 CPUCLKC1 IREF GNDA VDDA CPUCLKT2_ITP/SRCCLKT7 CPUCLKC2_ITP/SRCCLKC7 VDDSRC SRCCLKT6 SRCCLKC6 SRCCLKT5 SRCCLKC5 GND 56-pin SSOP & TSSOP 0819G—12/06/04 1 FS_C 0 0 0 0 1 1 1 1 2 2 FS_B FS_A 0 0 1 1 0 0 1 1 0 1 0 1 0 1 0 1 CPU SRC MHz MHz 266.66 100.00 133.33 100.00 200.00 100.00 166.66 100.00 333.33 100.00 100.00 100.00 400.00 100.00 RESERVED PCI MHz 33.33 33.33 33.33 33.33 33.33 33.33 33.33 REF MHz 14.318 14.318 14.318 14.318 14.318 14.318 14.318 14.318 USB MHz 48.00 48.00 48.00 48.00 48.00 48.00 48.00 48.00 DOT MHz 96.00 96.00 96.00 96.00 96.00 96.00 96.00 96.00 FS_C is a three-level input. Please see VIL_FS and VIH_FS specifications in the Input/Supply/Common Output Parameters Table for correct values. Also refer to the Test Clarification Table. FS_B and FS_A are low-threshold inputs. Please see the VIL_FS and VIH_FS specifications in the Input/Supply/Common Output Parameters Table for correct values. ICS954201 Integrated Circuit Systems, Inc. Pin Description PIN # PIN NAME PIN TYPE PWR PWR OUT OUT OUT PWR PWR DESCRIPTION 1 2 3 4 5 6 7 VDDPCI GND PCICLK3 PCICLK4 PCICLK5 GND VDDPCI 8 ITP_EN/PCICLK_F0 9 PCICLK_F1 10 Vtt_PwrGd#/PD 11 VDD48 12 USB_48MHz/FS_A 13 14 GND DOTT_96MHz PWR OUT Power supply for PCI clocks, nominal 3.3V Ground pin. PCI clock output. PCI clock output. PCI clock output. Ground pin. Power supply for PCI clocks, nominal 3.3V Free running PCI clock not affected by PCI_STOP#. ITP_EN: latched input to select pin functionality 1 = CPU_ITP pair 0 = SRC pair Free running PCI clock not affected by PCI_STOP# . Vtt_PwrGd# is an active low input used to determine when latched inputs are ready to be sampled. PD is an asynchronous active high input pin used to put the device into a low power state. The internal clocks, PLLs and the crystal oscillator are stopped. Power pin for the 48MHz output.3.3V Frequency select latch input pin / Fixed 48MHz USB clock output. 3.3V. Ground pin. True clock of differential pair for 96.00MHz DOT clock. 15 DOTC_96MHz OUT Complement clock of differential pair for 96.00MHz DOT clock. I/O OUT IN PWR I/O 16 FS_B/TEST_MODE IN 17 18 19 20 21 22 23 24 25 26 27 28 SRCCLKT0 SRCCLKC0 SRCCLKT1 SRCCLKC1 VDDSRC SRCCLKT2 SRCCLKC2 SRCCLKT3 SRCCLKC3 SRCCLKT4_SATA SRCCLKC4_SATA VDDSRC OUT OUT OUT OUT PWR OUT OUT OUT OUT OUT OUT PWR 3.3V tolerant input for CPU frequency selection. Refer to input electrical characteristics for Vil_FS and Vih_FS values. TEST_MODE is a real time input to select between Hi-Z and REF/N divider mode while in test mode. Refer to Test Clarification Table. True clock of differential SRC clock pair. Complement clock of differential SRC clock pair. True clock of differential SRC clock pair. Complement clock of differential SRC clock pair. Supply for SRC clocks, 3.3V nominal True clock of differential SRC clock pair. Complement clock of differential SRC clock pair. True clock of differential SRC clock pair. Complement clock of differential SRC clock pair. True clock of differential SRC/SATA pair. Complement clock of differential SRC/SATA pair. Supply for SRC clocks, 3.3V nominal 0819G—12/06/04 2 ICS954201 Integrated Circuit Systems, Inc. Pin Description (Continued) PIN # 29 30 31 32 33 34 PIN NAME GND SRCCLKC5 SRCCLKT5 SRCCLKC6 SRCCLKT6 VDDSRC TYPE PWR OUT OUT OUT OUT PWR 35 CPUCLKC2_ITP/SRCCLKC7 OUT 36 CPUCLKT2_ITP/SRCCLKT7 OUT 37 38 VDDA GNDA PWR PWR 39 IREF OUT 40 CPUCLKC1 OUT 41 CPUCLKT1 OUT 42 VDDCPU PWR 43 CPUCLKC0 OUT 44 CPUCLKT0 OUT 45 46 47 48 49 50 51 52 GND SCLK SDATA VDDREF X2 X1 GND REFOUT PWR IN I/O PWR OUT IN PWR OUT 53 FS_C/TEST_SEL IN 54 CPU_STOP# IN 55 PCI/SRC_STOP# IN 56 PCICLK2 OUT DESCRIPTION Ground pin. Complement clock of differential SRC clock pair. True clock of differential SRC clock pair. Complement clock of differential SRC clock pair. True clock of differential SRC clock pair. Supply for SRC clocks, 3.3V nominal Complimentary clock of CPU_ITP/SRC differential pair CPU_ITP/SRC output. These are current mode outputs. External resistors are required for voltage bias. Selected by ITP_EN input. True clock of CPU_ITP/SRC differential pair CPU_ITP/SRC output. These are current mode outputs. External resistors are required for voltage bias. Selected by ITP_EN input. 3.3V power for the PLL core. Ground pin for the PLL core. This pin establishes the reference current for the differential current-mode output pairs. This pin requires a fixed precision resistor tied to ground in order to establish the appropriate current. 475 ohms is the standard value. Complimentary clock of differential pair CPU outputs. These are current mode outputs. External resistors are required for voltage bias. True clock of differential pair CPU outputs. These are current mode outputs. External resistors are required for voltage bias. Supply for CPU clocks, 3.3V nominal Complimentary clock of differential pair CPU outputs. These are current mode outputs. External resistors are required for voltage bias. True clock of differential pair CPU outputs. These are current mode outputs. External resistors are required for voltage bias. Ground pin. Clock pin of SMBus circuitry, 5V tolerant. Data pin for SMBus circuitry, 5V tolerant. Ref, XTAL power supply, nominal 3.3V Crystal output, Nominally 14.318MHz Crystal input, Nominally 14.318MHz. Ground pin. Reference Clock output 3.3V tolerant input for CPU frequency selection. Low voltage threshold inputs, see input electrical characteristics for Vil_FS and Vih_FS values. TEST_Sel: 3-level latched input to enable test mode. Refer to Test Clarification Table Stops all CPUCLK, except those set to be free running clocks Stops all PCICLKs and SRCCLKs besides the free-running clocks at logic 0 level, when input low PCI clock output. 0819G—12/06/04 3 ICS954201 Integrated Circuit Systems, Inc. General Description ICS954201 is a CK410M Yellow Cover clock synthesizer. ICS954201 provides a single-chip solution for mobile systems built with Intel P4-M processors and Intel mobile chipsets. ICS954201 is driven with a 14.318MHz crystal and generates CPU outputs up to 400MHz. It provides the tight ppm accuracy required by Serial ATA and PCI-Express. Block Diagram REF USB_48MHz X1 X2 XTAL OSC. FIXED PLL DIVIDER DOT_96MHz PCICLK(5:2) PCICLK_F(1:0) PROG. SPREAD MAIN PLL SRCCLK(6:0) PROG. DIVIDERS CPUCLK2_ITP/SRCCLK7 CPUCLK(1:0) PCI/SRC_STOP# CPU_STOP# FS(C:A) ITP_EN TEST_MODE TEST_SEL VTT_PWRGD#/PD CONTROL LOGIC SDATA SCLK IREF Power Groups Pin Number VDD GND 48 51 1,7 2,6 21,28,34 29 37 38 11 13 42 45 Description Xtal, Ref PCICLK outputs SRCCLK outputs Master clock, CPU Analog DOT, USB, PLL_48 CPUCLK clocks 0819G—12/06/04 4 ICS954201 Integrated Circuit Systems, Inc. General I2C serial interface information for the ICS954201 How to Write: How to Read: Controller (host) sends a start bit. Controller (host) sends the write address D2 (H) ICS clock will acknowledge Controller (host) sends the begining byte location = N ICS clock will acknowledge Controller (host) sends the data byte count = X ICS clock will acknowledge Controller (host) starts sending Byte N through Byte N + X -1 (see Note 2) • ICS clock will acknowledge each byte one at a time • Controller (host) sends a Stop bit • • • • • • • • • • • • • • • • • • • • • • Controller (host) will send start bit. Controller (host) sends the write address D2 (H) ICS clock will acknowledge Controller (host) sends the begining byte location = N ICS clock will acknowledge Controller (host) will send a separate start bit. Controller (host) sends the read address D3 (H) ICS clock will acknowledge ICS clock will send the data byte count = X ICS clock sends Byte N + X -1 ICS clock sends Byte 0 through byte X (if X(H) was written to byte 8). Controller (host) will need to acknowledge each byte Controllor (host) will send a not acknowledge bit Controller (host) will send a stop bit Index Block Write Operation Controller (Host) starT bit T Slave Address D2(H) WRite WR Index Block Read Operation Controller (Host) T starT bit Slave Address D2(H) WR WRite ICS (Slave/Receiver) ICS (Slave/Receiver) ACK ACK Beginning Byte = N Beginning Byte = N ACK ACK RT Repeat starT Slave Address D3(H) RD ReaD Data Byte Count = X ACK Beginning Byte N ACK X Byte ACK Data Byte Count = X ACK Beginning Byte N ACK X Byte Byte N + X - 1 ACK P stoP bit Byte N + X - 1 N P 0819G—12/06/04 5 Not acknowledge stoP bit ICS954201 Integrated Circuit Systems, Inc. Absolute Max Symbol Parameter VDD_A VDD_In 3.3V Core Supply Voltage 3.3V Logic Input Supply Voltage Ts Tambient Tcase Storage Temperature Ambient Operating Temp Case Temperature Input ESD protection human body model ESD prot Min Max Units GND - 0.5 V DD + 0.5V V DD + 0.5V V V -65 0 ° C °C °C 150 70 115 2000 V Electrical Characteristics - Input/Supply/Common Output Parameters TA = 0 - 70°C; Supply Voltage V DD = 3.3 V +/-5% PARAMETER SYMBOL CONDITIONS MIN Input High Voltage V IH 3.3 V +/-5% 2 Input Low Voltage Input High Current V IL I IH I IL1 Input Low Current I IL2 Low Threshold Input High Voltage 3.3 V +/-5% V SS - 0.3 V IN = VDD -5 VIN = 0 V; Inputs with no pull-up -5 resistors V IN = 0 V; Inputs with pull-up -200 resistors 1 V uA 1 1 uA 1 uA 1 V 1 V SS - 0.3 0.35 V 1 400 70 12 7 5 6 5 mA mA mA MHz nH pF pF pF 3 1 1 1 1 1.8 ms 1,2 33 kHz 1 10 ns 1 300 us 1 5 5 ns ns 1 2 10 ns 1 5 5 5.5 0.4 ns ns V V mA 1 2 1 1 1 1000 ns 1,3 300 ns 1,3 Powerdown Current I DD3.3PD Full Active, CL = Full load; all diff pairs driven all differential pairs tri-stated VDD = 3.3 V Fi Lpin CIN COUT CINX TSTAB Modulation Frequency Tdrive_SRC Tdrive_PD Tfall_PD Trise_PD Tdrive_CPU_STOP Tfall_CPU_STOP Trise_CPU_STOP# SMBus Voltage Low-level Output Voltage Current sinking SCLK/SDATA Clock/Data Rise Time SCLK/SDATA Clock/Data Fall Time V 0.8 5 VDD + 0.3 I DD3.3OP Clk Stabilization1,2 VDD + 0.3 0.7 3.3 V +/-5% Input Capacitance1 UNITS Notes 3.3 V +/-5% VIL_FS Input Frequency Pin Inductance1 MAX VIH_FS Low Threshold Input Low Voltage Operating Supply Current 3 TYP V DD V OL I PULLUP TRI2C TFI2C Logic Inputs Output pin capacitance X1 & X2 pins From V DD Power-Up or deassertion of PD# to 1st clock Triangular Modulation SRC output enable after PCI_STOP de-assertion Differential output enable after PD# de-assertion PD# fall time of PD# rise time of CPU output enable after CPU_STOP de-assertion CPU_STOP fall time of CPU_STOP rise time of 278 67 4.8 14.31818 1.3 30 8 8 2.7 SDATA, SCLK @ I PULLUP VOL = 0.4 V (Max VIL - 0.15) to (Min VIH + 0.15) (Min VIH + 0.15) to (Max VIL - 0.15) 4 1 Guaranteed by design, not 100% tested in production. See timing diagrams for timing requirements. 3 Input frequency should be measured at the REF output pin and tuned to ideal 14.31818MHz to meet 2 0819G—12/06/04 6 ICS954201 Integrated Circuit Systems, Inc. Electrical Characteristics - SRC 0.7V Current Mode Differential Pair TA = 0 - 70°C; VDD = 3.3 V +/-5%; CL =2pF, RS=33.2Ω, RP=49.9Ω, ΙREF = 475Ω PARAMETER SYMBOL Current Source Output Impedance Voltage High Voltage Low Max Voltage Min Voltage Crossing Voltage (abs) Crossing Voltage (var) CONDITIONS MIN Zo1 VO = Vx 3000 VHigh VLow Vovs Vuds Vcross (abs) Statistical measurement on single ended signal using oscilloscope Measurement on single ended signal using absolute value. 660 -150 d-Vcross Long Accuracy ppm Average period Tperiod Absolute min/max period Tabs Rise Time Fall Time Rise Time Variation Fall Time Variation tr tf d-tr d-tf Variation of crossing over all edges see Tperiod min-max values 100.00MHz non-spread 100.00MHz spread 100.00MHz non-spread 100.00MHz spread VOL = 0.175V, VOH = 0.525V VOH = 0.525V, VOL = 0.175V TYP MAX UNITS Notes Ω 850 150 1150 -300 760 2 782 -33 250 344 550 mV 1 97 140 mV 1 300 10.0030 10.0533 10.1280 10.1783 700 700 125 125 ppm ns ns ns ns ps ps ps ps 1,2 2 2 1,2 1,2 1 1 1 1 -300 9.9970 9.8720 175 175 9.9999 9.9999 260 212 20 13 mV mV Measurement from differential 45 51 55 % wavefrom VT = 50% tsk3 87 250 ps Skew Measurement from differential tjcyc-cyc Jitter, Cycle to cycle 37 125 ps wavefrom 1 Guaranteed by design and characterization, not 100% tested in production. 2 All Long Term Accuracy and Clock Period specifications are guaranteed assuming that REFOUT is at 14.31818MHz 3 IREF = VDD/(3xRR). For RR = 475Ω (1%), IREF = 2.32mA. IOH = 6 x IREF and VOH = 0.7V @ ZO=50Ω. Duty Cycle dt3 0819G—12/06/04 7 1 1,3 1,3 1 1 1 1 1 ICS954201 Integrated Circuit Systems, Inc. Electrical Characteristics - CPU 0.7V Current Mode Differential Pair TA = 0 - 70°C; VDD = 3.3 V +/-5%; CL =2pF, RS=33.2Ω, RP=49.9Ω, ΙREF = 475Ω PARAMETER Current Source Output Impedance SYMBOL CONDITIONS MIN Zo VO = Vx 3000 Voltage High VHigh Statistical measurement on single ended signal using oscilloscope math function. Measurement on single ended signal using absolute value. 660 Voltage Low VLow Max Voltage Min Voltage Vovs Vuds Vcross (abs) Crossing Voltage (abs) Crossing Voltage (var) d-Vcross Long Accuracy ppm Average period Absolute min/max period Rise Time Fall Time Rise Time Variation Fall Time Variation Tperiod Tabs tr tf d-tr d-tf Variation of crossing over all edges see Tperiod min-max values 400MHz non-spread 400MHz spread 333.33MHz non-spread 333.33MHz spread 266.66MHz non-spread 266.66MHz spread 200MHz non-spread 200MHz spread 166.66MHz non-spread 166.66MHz spread 133.33MHz non-spread 133.33MHz spread 100.00MHz non-spread 100.00MHz spread 400MHz non-spread 400MHz spread 333.33MHz non-spread 333.33MHz spread 266.66MHz non-spread 266.66MHz spread 200MHz non-spread 200MHz spread 166.66MHz non-spread 166.66MHz spread 133.33MHz non-spread 133.33MHz spread 100.00MHz non-spread 100.00MHz spread VOL = 0.175V, VOH = 0.525V VOH = 0.525V VOL = 0.175V TYP MAX UNITS Notes Ω 727 850 1,3 mV -150 -2 150 752 -21 1150 -300 250 348 39 -300 2.4993 2.4993 2.9991 2.9991 3.7489 3.7489 4.9985 4.9985 5.9982 5.9982 7.4978 7.4978 9.9970 9.9970 2.4143 2.9141 3.6639 4.9135 5.9132 7.4128 9.9120 175 175 2.4999 3.0000 3.7509 4.9998 6.0000 7.5017 10.0000 2.4970 2.9940 3.7430 4.9940 5.9950 7.4970 10.0000 230 206 15 14 1,3 mV 1 1 550 mV 1 140 mV 1 300 2.5008 2.5133 3.0009 3.016 3.7511 3.77 5.0015 5.0266 6.0018 6.0320 7.5023 5.4000 10.0030 10.0533 2.5750 2.5983 3.0859 3.1010 3.8361 3.8550 5.0865 5.1116 6.0868 6.1170 7.5873 7.6250 10.0880 10.1383 700 700 125 125 ppm ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ps ps ps ps 1,2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1,2 1,2 1,2 1,2 1,2 1,2 1,2 1,2 1,2 1,2 1,2 1,2 1,2 1,2 1 1 1 1 Measurement from differential 45 51 55 % wavefrom CPU(1:0), VT = 50% 7.5 100 ps tsk3 Skew CPU2_ITP, VT = 50% 145 150 ps Differential waveform t 36 85 ps Jitter, Cycle to cycle jcyc-cyc measurement, CPU(1:0) Differential waveform tjcyc-cyc 96 125 ps Jitter, Cycle to cycle measurement, CPU2_ITP 1 Guaranteed by design and characterization, not 100% tested in production. 2 All Long Term Accuracy and Clock Period specifications are guaranteed assuming that REFOUT is at 14.31818MHz 3 IREF = VDD/(3xRR). For RR = 475Ω (1%), IREF = 2.32mA. IOH = 6 x IREF and VOH = 0.7V @ ZO=50Ω. Duty Cycle dt3 0819G—12/06/04 8 1 1 1 1 1 1 ICS954201 Integrated Circuit Systems, Inc. Electrical Characteristics - PCICLK/PCICLK_F TA = 0 - 70°C; VDD = 3.3 V +/-5%; CL = 10-20 pF (unless otherwise specified) PARAMETER SYMBOL Long Accuracy ppm Clock period Tperiod Absolute min/max period Tabs Output High Voltage Output Low Voltage VOH VOL Output High Current I OH Output Low Current I OL Edge Rate Edge Rate Rise Time Fall Time Duty Cycle Skew tr1 tf1 dt1 tsk1 Jitter tjcyc-cyc CONDITIONS MIN see Tperiod min-max values -300 33.33MHz output non-spread 29.9910 33.33MHz output spread 33.33MHz output non-spread 29.4910 33.33MHz output spread IOH = -1 mA 2.4 IOL = 1 mA -33 V OH @MIN = 1.0 V VOH@ MAX = 3.135 V 30 VOL @ MIN = 1.95 V VOL @ MAX = 0.4 V Rising edge rate 1 Falling edge rate 1 VOL = 0.4 V, VOH = 2.4 V 0.5 VOH = 2.4 V, VOL = 0.4 V 0.5 VT = 1.5 V 45 VT = 1.5 V VT = 1.5 V TYP MAX 35 29.9989 30.0752 300 30.0090 30.1598 30.5090 30.6598 3.25 0.05 -62 -10 61 23 1.60 1.71 1.25 1.17 50 81 250 UNITS Notes 38 4 4 2 2 55 500 ppm ns ns ns ns V V mA mA mA mA V/ns V/ns ns ns % ps 1,2 2 2 1,2 1,2 1 1 1 1 1 1 1 1 1 1 1 1 500 ps 1 0.55 -33 1 Guaranteed by design and characterization, not 100% tested in production. All Long Term Accuracy and Clock Period specifications are guaranteed assuming that REFOUT is at 14.31818MHz 2 Electrical Characteristics - 48MHz, USB TA = 0 - 70°C; VDD = 3.3 V +/-5%; CL = 10-20 pF (unless otherwise specified) PARAMETER SYMBOL CONDITIONS MIN TYP MAX Long Accuracy Clock period Absolute min/max period Output High Voltage Output Low Voltage ppm Tperiod Tabs VOH VOL see Tperiod min-max values 48.00000 MHz output 48.00000 MHz output IOH = -1 mA IOL = 1 mA VOH @ MIN = 1.0 V VOH@ MAX = 3.135 V VOL @MIN = 1.95 V VOL @ MAX = 0.4 V Rising edge rate Falling edge rate -100 20.8313 20.4813 2.4 0.25 20.8333 100 20.8354 21.1854 1 1 3.25 0.05 -53 -6.2 61 23 1.53 1.68 Output High Current Output Low Current I OH I OL Edge Rate Edge Rate -29 29 UNITS Notes 27 2 2 ppm ns ns V V mA mA mA mA V/ns V/ns 1,2 2 1,2 1 1 1 1 1 1 1 1 0.55 -23 Rise Time tr1 VOL = 0.4 V, VOH = 2.4 V 1 1.31 2 ns 1 Fall Time Duty Cycle tf1 dt1 VOH = 2.4 V, VOL = 0.4 V VT = 1.5 V 1 45 1.19 52 2 55 ns % 1 1 Jitter, Cycle to cycle tjcyc-cyc VT = 1.5 V 139 350 ps 1 1 Guaranteed by design and characterization, not 100% tested in production. All Long Term Accuracy and Clock Period specifications are guaranteed assuming that REFOUT is at 14.31818MHz 2 0819G—12/06/04 9 ICS954201 Integrated Circuit Systems, Inc. Electrical Characteristics - DOT, 96MHz 0.7V Current Mode Differential Pair TA = 0 - 70°C; VDD = 3.3 V +/-5%; CL =2pF, RS=33.2Ω, RP=49.9Ω, ΙREF = 475Ω PARAMETER SYMBOL Current Source Output Impedance Voltage High Voltage Low Max Voltage Min Voltage Crossing Voltage (abs) CONDITIONS MIN Zo1 VO = Vx 3000 VHigh VLow Vovs Vuds Vcross (abs) Statistical measurement on single ended signal using oscilloscope Measurement on single ended signal using absolute value. 660 -150 Crossing Voltage (var) d-Vcross Long Accuracy Average period Absolute min/max period Rise Time Fall Time Rise Time Variation Fall Time Variation ppm Tperiod Tabs tr tf d-tr d-tf Variation of crossing over all edges see Tperiod min-max values 96.00MHz 96.00MHz VOL = 0.175V, VOH = 0.525V VOH = 0.525V, VOL = 0.175V TYP MAX UNITS Notes Ω 1 850 150 1150 -300 749 1.5 778 -51 250 358 550 mV 1 26 140 mV 1 10.4167 10.4100 210 180 23 50 100 10.4177 10.6677 700 700 125 125 ppm ns ns ps ps ps ps 1,2 2 1,2 1 1 1 1 -100 10.4156 10.1656 175 175 mV mV 1,3 1,3 1 1 Measurement from differential 45 49 55 % wavefrom Measurement from differential tjcyc-cyc 98 250 ps Jitter, Cycle to cycle wavefrom 1 Guaranteed by design and characterization, not 100% tested in production. 2 All Long Term Accuracy and Clock Period specifications are guaranteed assuming that REFOUT is at 14.31818MHz 3 IREF = VDD/(3xRR). For RR = 475Ω (1%), IREF = 2.32mA. IOH = 6 x IREF and VOH = 0.7V @ ZO=50Ω. Duty Cycle dt3 1 1 Electrical Characteristics - REF-14.318MHz TA = 0 - 70°C; VDD = 3.3 V +/-5%; CL = 10-20 pF (unless otherwise specified) SYMBO PARAMETER CONDITIONS MIN L Long Accuracy ppm see Tperiod min-max values -300 14.318MHz output nominal 69.8270 Clock period Tperiod Output High Voltage V OH IOH = -1 mA 2.4 Output Low Voltage V OL IOL = 1 mA -33 VOH @ MIN = 1.0 V Output High Current (1X) IOH VOH@ MAX = 3.135 V VOL @MIN = 1.95 V 30 Output Low Current (1X) I OL VOL @ MAX = 0.4 V VOH @ MIN = 1.0 V -33 Output High Current (2X) IOH VOH@ MAX = 3.135 V VOL @MIN = 1.95 V Output Low Current (2X) I OL VOL @ MAX = 0.4 V VOL = 0.4 V, V OH = 2.4 V 1 Rise Time tr1 Fall Time tf1 VOH = 2.4 V, VOL = 0.4 V 1 Duty Cycle dt1 VT = 1.5 V Jitter tjcyc-cyc VT = 1.5 V 45 1 TYP 69.841 3.25 0.05 -53 -6 60.9 23 -110 -12 110 47 1.7 1.9 MAX 300 69.8550 0.4 -33 38 -33 2 2 UNITS Notes ppm ns V V mA mA mA mA mA mA mA mA ns ns 1 1 1 1 1 1 1 1 1 1 1 1 1 1,2 54 55 % 1,2 197 1000 ps 1 Guaranteed by design and characterization, not 100% tested in production. All Long Term Accuracy and Clock Period specifications are guaranteed assuming that REFOUT is at 14.31818MHz 2 0819G—12/06/04 10 ICS954201 Integrated Circuit Systems, Inc. SMBus Table: Output Control Register Byte 0 Pin # Name Control Function Type 0 1 PWD Output Enable RW DISABLE ENABLE 1 Output Output Output Output Output Output Output RW RW RW RW RW RW RW DISABLE DISABLE DISABLE DISABLE DISABLE DISABLE DISABLE ENABLE ENABLE ENABLE ENABLE ENABLE ENABLE ENABLE 1 1 1 1 1 1 1 Type RW RW RW RW 0 Disable Disable Disable Disable 1 Enable Enable Enable Enable RW RW Disable Disable Spread Off RW SPREAD OFF Enable Enable SPREAD ON PWD 1 1 1 1 1 1 1 Control Function Output Enable Output Enable Output Enable Output Enable RESERVED RESERVED RESERVED Output Enable Type RW RW RW RW 0 Disable Disable Disable Disable 1 Enable Enable Enable Enable RW Disable Enable Bit 7 - CPUCLK2_ITP/SRCCLK7 Enable Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 - SRCCLK6 Enable SRCCLK5 Enable SRCCLK4 Enable SRCCLK3 Enable SRCCLK2 Enable SRCCLK1 Enable SRCCLK0 Enable Enable Enable Enable Enable Enable Enable Enable SMBus Table: Spreading and Device Behavior Control Register Control Function Pin # Name Byte 1 PCI_F0 Enable Output Enable Bit 7 DOT_96MHz Enable Output Enable Bit 6 USB_48MHz Enable Output Enable Bit 5 REFOUT Enable Output Enable Bit 4 RESERVED Bit 3 CPUCLK1 Output Enable Bit 2 CPUCLK0 Output Enable Bit 1 Bit 0 Spread Spectrum Mode SMBus Table: Output Control Register Byte 2 Pin # Name PCICLK5 Bit 7 PCICLK4 Bit 6 PCICLK3 Bit 5 PCICLK2 Bit 4 Bit 3 Bit 2 Bit 1 PCI_F1 Enable Bit 0 0819G—12/06/04 11 0 PWD 1 1 1 1 1 1 1 1 ICS954201 Integrated Circuit Systems, Inc. SMBus Table: SRC Stop Control Register Pin # Name Byte 3 36,35 SRCCLK7 Bit 7 33,32 SRCCLK6 Bit 6 31,30 SRCCLK5 Bit 5 26,27 SRCCLK4 Bit 4 24,25 SRCCLK3 Bit 3 22,23 SRCCLK2 Bit 2 19,20 SRCCLK1 Bit 1 17,18 SRCCLK0 Bit 0 SMBus Table: Stop and Output Control Register Byte 4 Pin # Name Bit 7 14,15 DOT_96MHz Bit 6 Bit 5 Bit 4 9 PCI_F1 Bit 3 8 PCI_F0 Bit 2 Bit 1 Bit 0 36,35 41,40 44,43 CPUCLK2_ITP CPUCLK1 CPUCLK0 SMBus Table: Output Control Register Byte 5 Pin # Bit 7 SRCCLK(7:0) Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 36,35 41,40 44,43 SRCCLK(7:0) 36,35 41,40 44,43 Name SRC_STOP Drive Mode Type RW RW Allow assertion of RW PCI_STOP# or setting of RW PCI_STOP control bit in RW SMBus register to stop RW SRC clocks RW RW 0 Free-Running Free-Running Free-Running Free-Running Free-Running Free-Running Free-Running Free-Running 1 Stoppable Stoppable Stoppable Stoppable Stoppable Stoppable Stoppable Stoppable PWD 0 0 0 0 0 0 0 0 Control Function Type RESERVED Driven in PD RW RESERVED Allow assertion of PCI_STOP# or setting of RW PCI_STOP control bit in SMBus register to stop RW PCICLK_F outputs 0 1 Driven Hi-Z PWD X 0 0 Free-Running Stoppable 0 Free-Running Stoppable 0 Free-Running Free-Running Free-Running Stoppable Stoppable Stoppable 1 1 1 Control Function Allow assertion of CPU_STOP# to stop CPUCLK outputs RW RW RW Control Function Driven in PCI/SRC_STOP# Type 0 1 PWD RW Driven Hi-Z 0 RW RW RW RW RW RW RW Driven Driven Driven Driven Driven Driven Driven Hi-Z Hi-Z Hi-Z Hi-Z Hi-Z Hi-Z Hi-Z 0 0 0 0 0 0 0 CPUCLK2_ITP_STOP Drive Mode Driven in CPU_STOP# CPUCLK1_STOP Drive Mode CPUCLK0_STOP Drive Mode SRC_PD Drive Mode Driven in Powerdown CPUCLK2_ITP_PD Drive Mode (PD) CPUCLK1_PD Drive Mode CPUCLK0_PDDrive Mode 0819G—12/06/04 12 ICS954201 Integrated Circuit Systems, Inc. SMBus Table: Test and Readback Control Register Name Pin # Byte 6 Test Mode Selection Bit 7 Test Clock Mod eEntry Bit 6 Bit 5 REFOUT STRENGTH Bit 4 Bit 3 - PCI/SRC_STOP Bit 2 Bit 1 Bit 0 - FS_C FS_B FS_A Control Function Test Mode Selection Test Mode RESERVED Strength Prog Stop all PCI and SRC clocks readback readback readback Type RW RW 0 Hi-Z Disable 1 REF/N Enable RW 1X 2X PWD 0 0 0 1 RW Enabled Disabled 1 R R R - - LATCHED LATCHED LATCHED Control Function Type R R R R R R R R 0 - 1 - PWD 0 0 0 1 0 0 0 1 SMBus Table: Vendor & Revision ID Register Byte 7 Name Pin # RID3 Bit 7 RID2 Bit 6 RID1 Bit 5 RID0 Bit 4 VID3 Bit 3 VID2 Bit 2 VID1 Bit 1 VID0 Bit 0 REVISION ID VENDOR ID Test Clarification Table HW Comments · FS_C/TEST_SEL is a 3-level latched input. o Power-up w/ V >= 2.0V to select TEST o Power-up w/ V < 2.0V to have pin function as FS_C. · When pin is FS_C, VIH_FS and VIL_FS levels apply. · FS_B/TEST_MODE is a low-threshold input o VIH_FS and VIL_FS levels apply. o TEST_MODE is a real time input · TEST_SEL can be invoked after power up through SMBus B6b6. o If TEST is selected by B6b6, only B6b7 controls TEST_MODE. The FS_B/TEST_Mode pin is not used. · Power must be cycled to exit TEST. SW TEST FS_C/TEST FS_B/TEST ENTRY BIT _SEL _MODE B6b6 HW PIN HW PIN 0 X 0 1 0 X REF/N or HI-Z B6b7 OUTPUT X NORMAL 0 HI-Z 1 0 X 1 REF/N 1 1 X 0 REF/N 1 1 X 1 REF/N 0 X 1 0 HI-Z 0 X 1 1 REF/N B6b6: 1= ENTER TEST MODE, Default = 0 (NORMAL OPERATION) B6b7: 1= REF/N, Default = 0 (HI-Z) 0819G—12/06/04 13 ICS954201 Integrated Circuit Systems, Inc. c N 56-Lead, 300 mil Body, 25 mil, SSOP L E1 INDEX AREA E 1 2 α h x 45° D A A1 A A1 b c D E E1 e h L N a In Millimeters COMMON DIMENSIONS MIN MAX 2.41 2.80 0.20 0.40 0.20 0.34 0.13 0.25 SEE VARIATIONS 10.03 10.68 7.40 7.60 0.635 BASIC 0.38 0.64 0.50 1.02 SEE VARIATIONS 0° 8° In Inches COMMON DIMENSIONS MIN MAX .095 .110 .008 .016 .008 .0135 .005 .010 SEE VARIATIONS .395 .420 .291 .299 0.025 BASIC .015 .025 .020 .040 SEE VARIATIONS 0° 8° VARIATIONS -C- e SYMBOL SEATING PLANE b .10 (.004) C N 56 D mm. MIN 18.31 D (inch) MAX 18.55 MIN .720 Reference Doc.: JEDEC Publication 95, MO-118 10-0034 Ordering Information ICS954201yFLNT Example: ICS XXXX y F LN T Designation for tape and reel packaging Annealed Lead Free Package Type F = SSOP Revision Designator (will not correlate with datasheet revision) Device Type (consists of 3 or 4 digit numbers) Prefix ICS, AV = Standard Device 0819G—12/06/04 14 MAX .730 ICS954201 Integrated Circuit Systems, Inc. c N L E1 INDEX AREA E 1 2 a D A A2 A1 56-Lead 6.10 mm. Body, 0.50 mm. Pitch TSSOP (240 mil) (20 mil) In Millimeters In Inches SYMBOL COMMON DIMENSIONS COMMON DIMENSIONS MIN MAX MIN MAX A -1.20 -.047 A1 0.05 0.15 .002 .006 A2 0.80 1.05 .032 .041 b 0.17 0.27 .007 .011 c 0.09 0.20 .0035 .008 SEE VARIATIONS SEE VARIATIONS D 8.10 BASIC 0.319 BASIC E E1 6.00 6.20 .236 .244 0.50 BASIC 0.020 BASIC e L 0.45 0.75 .018 .030 SEE VARIATIONS SEE VARIATIONS N a 0° 8° 0° 8° aaa -0.10 -.004 -Ce b SEATING PLANE VARIATIONS N aaa C 56 D mm. MIN MAX 13.90 14.10 D (inch) MIN .547 Reference Doc.: JEDEC Publicat ion 95, M O-153 10-0039 Ordering Information ICS954201yGLNT Example: ICS XXXX y G LN T Designation for tape and reel packaging Annealed Lead Free Package Type G = TSSOP Revision Designator (will not correlate with datasheet revision) Device Type (consists of 3 or 4 digit numbers) Prefix ICS, AV = Standard Device 0819G—12/06/04 15 MAX .555