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PCK2010R ck98r (100/133mhz) rcc spread spectrum system clock generator product specification supersedes data of 1999 oct 19 2000 may 17 integrated circuits
philips semiconductors product specification PCK2010R ck98r (100/133mhz) rcc spread spectrum system clock generator 2 2000 may 17 8532179 23685 features ? mixed 2.5 v and 3.3 v operation ? four cpu clocks at 2.5 v ? eight pci clocks at 3.3 v, one free-running (synchronous with cpu clocks) ? four 3.3 v fixed clocks @ 66 mhz ? two 2.5 v cpudiv2 clocks @ cpu clock frequency ? three 2.5 v ioapic clocks @ 16.67 mhz ? one 3.3 v 48 mhz usb clock ? two 3.3 v reference clocks @ 14.318 mhz ? reference 14.31818 mhz xtal oscillator input ? 133 mhz or 100 mhz operation ? power management control input pins ? cpu clock jitter 250 ps cycle-cycle ? cpu clock skew 175 ps pin-pin ? 0.0ns 1.5 ns cpu - 3v66 delay ? 1.5ns 3.5 ns 3v66 - pci delay ? 1.5ns 4.0 ns cpu - ioapic delay ? 1.5ns 4.0 ns cpu - pci delay ? available in 56-pin ssop package ? 0.5% center spread spectrum capability via select pins ? 0.5% down spread spectrum capability via select pins description the PCK2010R is a clock generator (frequency synthesizer) chip for a pentium ii and other similar processors. the PCK2010R has four cpu clock outputs at 2.5 v, two cpudiv2 clock outputs running at cpu clock frequency (66 mhz or 50 mhz depending on the state of sel133/100) and four 3v66 clocks running at 66mhz. there are eight pci clock outputs running at 33 mhz. one of the pci clock outputs is free-running. additionally, the part has three 2.5 v ioapic clock outputs at 16.67 mhz and two 3.3 v reference clock outputs at 14.318 mhz. all clock outputs meet intel's drive strength, rise/fall time, jitter, accuracy, and skew requirements. the part possesses dedicated power-down, cpustop , and pcistop input pins for power management control. these inputs are synchronized on-chip and ensure glitch-free output transitions. when the cpustop input is asserted, the cpu clock outputs and 3v66 clock outputs are driven low. when the pcistop input is asserted, the pci clock outputs are driven low. finally, when the pwrdwn input pin is asserted, the internal reference oscillator and plls are shut down, and all outputs are driven low. pin configuration sw00504 1 2 3 4 5 6 7 8 9 10 11 12 45 46 47 48 49 50 51 52 53 54 55 56 v ss ref1 v dd 3v xtal_in xtal_out v ss pciclk_f pciclk1 v dd 3v pciclk2 cpuclk0 v ss cpuclk1 v dd 3v cpuclk2 pciclk3 13 14 15 16 17 18 39 40 41 42 43 44 v ss pciclk4 pciclk5 v dd 3v pciclk6 cpuclk3 pciclk7 19 38 v ss 20 21 22 23 24 25 32 33 34 35 36 37 v dd 3v 3v66_0 3v66_1 sel1 sel0 v ss 26 31 27 30 48mhz_usb 28 29 sel133/100 ref0 v ss 3v66_0 3v66_1 v dd 3v v dd 25v apic2 apic1 apic0 v dd 25v cpudiv2_1 cpudiv2_0 v ss v dd 25v v ss v dd 25v v ss v ss pcistop cpustop pwrdwn spread v dd 3v v ss ordering information packages temperature range order code drawing number 56-pin plastic ssop 0 c to +70 c PCK2010R dl sot371-1 intel and pentium are registered trademarks of intel corporation.
philips semiconductors product specification PCK2010R ck98r (100/133mhz) rcc spread spectrum system clock generator 2000 may 17 3 pin description pin number symbol function 2,3 ref [01] 3.3 v 14.318 mhz clock output 5 xtal_in 14.318 mhz crystal input 6 xtal_out 14.318 mhz crystal output 8 pciclk_f 3.3 v free running pci clock 9, 11, 12, 14, 15, 17, 18 pciclk [17] 3.3 v pci clock outputs 21, 22, 25, 26 3v66 [03] 3.3 v fixed 66 mhz clock outputs 28 sel133/100 select input pin for enabling 133 mhz or 100 mhz cpu outputs. h = 133 mhz, l = 100 mhz 30 48 mhz usb 3.3 v fixed 48 mhz clock output 32, 33 sel [01] logic select pins. ttl levels. 34 spread 3.3 v lvttl input. enables spread spectrum mode when held low. 35 pwrdwn 3.3 v lvttl input. device enters powerdown mode when held low. 36 cpustop 3.3 v lvttl input. stops all cpu clocks and 3v66 clocks when held low. cpudiv_2 output remains on all the time. 37 pcistop 3.3 v lvttl input. stops all pci clocks except pciclk_f when held low. 41, 42, 45, 46 cpuclk [03] 2.5 v cpu output. 133 mhz or 100mhz depending on state of input pin sel133/100. 49, 50 cpudiv_2 [01] 2.5 v output running at 1/2 cpu clock frequency. 66 mhz or 50 mhz depending on state of input pin sel133/100. 53, 54, 55 ioapic [02] 2.5 v clock outputs running divide synchronous with the cpu clock frequency. fixed 16.67 mhz limit. 4, 10, 16, 23, 27, 31, 39 v dd3v 3.3 v power supply. 1, 7, 13, 19, 20, 24, 29, 38, 40, 44, 48, 52 v ss ground 43, 47, 51, 56 v dd25v 2.5 v power supply note: 1. v dd3v , v dd25v and v ss in the above tables reflects a likely internal power and ground partition to reduce the effects of internal noise on the performance of the device. in reality, the platform will be configured with the v dd25v pins tied to a 2.5 v supply, all remaining v dd pins tied to a common 3.3 v supply and all v ss pins being common.
philips semiconductors product specification PCK2010R ck98r (100/133mhz) rcc spread spectrum system clock generator 2000 may 17 4 block diagram pwrdwn logic syspll usbpll 14.318 mhz osc pwrdwn logic decode logic x x x x x x x x ref [01](14.318 mhz) pwrdwn sel1 spread sel133/100 xtal_in xtal_out 48 mhz usb cpuclk [03] 3v66 [03] (66mhz) cpudiv2 [01] x sel0 sw00505 pwrdwn logic x pciclk_f (33mhz) pwrdwn logic x pwrdwn logic x apic [02] (16.67 mhz) pciclk [17] (33 mhz) x stop logic logic x pcistop cpustop stop logic stop logic
philips semiconductors product specification PCK2010R ck98r (100/133mhz) rcc spread spectrum system clock generator 2000 may 17 5 function table sel 133/100 sel1 sel0 cpu cpudiv2 3v66 pci 48 mhz ref ioapic notes 0 0 0 hi-z hi-z hi-z hi-z hi-z hi-z hi-z 1 0 0 1 n/a n/a n/a n/a n/a n/a n/a 2 0 1 0 100 mhz 50 mhz 66 mhz 33 mhz hi-z 14.318 mhz 16.67 mhz 3 0 1 1 100 mhz 50 mhz 66 mhz 33 mhz 48 mhz 14.318 mhz 16.67 mhz 4, 7, 8 1 0 0 tclk/2 tclk/4 tclk/4 tclk/8 tclk/2 tclk tclk/16 5, 6 1 0 1 n/a n/a n/a n/a n/a n/a n/a 2 1 1 0 133 mhz 66 mhz 66 mhz 33 mhz hi-z 14.318 mhz 16.67 mhz 3 1 1 1 133 mhz 66 mhz 66 mhz 33 mhz 48 mhz 14.318 mhz 16.67 mhz 4, 7, 8 notes: 1. required for board level abed-of-nailso testing. 2. used to support intel confidential application. 3. 48 mhz pll disabled to reduce component jitter. 48 mhz outputs to be held hi-z instead of driven to low state. 4. anormalo mode of operation. 5. tclk is a test clock over driven on the xtalin input during test mode. tclk mode is based on 133 mhz cpu select logic. 6. required for dc output impedance verification. 7. frequency accuracy of 48 mhz must be +167 ppm to match usb default. 8. range of reference frequency allowed is min = 14.316 mhz, nominal = 14.31818 mhz, max = 14.32 mhz clock output target frequency (mhz) actual frequency (mhz) ppm usbclk 7 48.0 48.008 167 clock enable configuration cpustop pwrdwn pcistop cpuclk cpudiv2 apic 3v66 pci pci_f ref / 48 mhz osc vcos x 0 x low low low low low low low off off 0 1 0 low on on low low on on on on 0 1 1 low on on low on on on on on 1 1 0 on on on on low on on on on 1 1 1 on on on on on on on on on notes: 1. low means outputs held static low as per latency requirement below 2. on means active. 3. pwrdwn pulled low, impacts all outputs including ref and 48 mhz outputs. 4. all 3v66 clocks as well as cpu clocks should stop cleanly when cpustop is pulled low. 5. cpudiv2, ioapic, ref, 48 mhz signals are not controlled by the cpustop functionality and are enabled all in all conditions ex cept when pwrdwn is low. power management requirements signal signal state latency signal signal state no. of rising edges of free running pciclk cpustop 0 (disabled) 1 1 (enabled) 1 pcistop 0 (disabled) 1 1 (enabled) 1 pwrdwn 1 (normal operation) 3 ms 0 (power down) 2 max notes: 1. clock on/off latency is defined as the number of rising edges of free running pciclks between the clock disable goes high/low to the first valid clock that comes out of the device. 2. power up latency is when pwrdwn goes inactive (high) to when the first valid clocks are driven from the device.
philips semiconductors product specification PCK2010R ck98r (100/133mhz) rcc spread spectrum system clock generator 2000 may 17 6 absolute maximum ratings 1, 2 in accordance with the absolute maximum rating system (iec 134) voltages are referenced to v ss (v ss = 0 v) symbol parameter condition limits unit symbol parameter condition min max unit v dd3 dc 3.3 v core supply voltage 0.5 +4.6 v v ddq3 dc 3.3 v i/o supply voltage 0.5 +4.6 v v ddq2 dc 2.5 v i/o supply voltage 0.5 +3.6 v i ik dc input diode current v i < 0 50 ma v i dc input voltage note 2 0.5 5.5 v i ok dc output diode current v o > v cc or v o < 0 50 ma v o dc output voltage note 2 0.5 v cc + 0.5 v i o dc output source or sink current v o = 0 to v cc 50 ma t stg storage temperature range 65 +150 c p tot power dissipation per package plastic medium-shrink (ssop) for temperature range: 40 to +125 c above +55 c derate linearly with 11.3mw/k 850 mw notes: 1. stresses beyond those listed may cause permanent damage to the device. these are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under arecommended operating conditionso is not implied. exposur e to absolute-maximum-rated conditions for extended periods may affect device reliability. 2. the input and output voltage ratings may be exceeded if the input and output current ratings are observed. recommended operating conditions symbol parameter conditions limits unit symbol parameter conditions min max unit v dd3v dc 3.3 v core supply voltage 3.135 3.465 v v dd25v dc 2.5 v i/o supply voltage 2.375 2.625 v capacitive load on: cpuclk 1 device load, possible 2 loads 10 20 pf pciclk must meet pci 2.1 requirements 10 30 pf c l cpudiv2 1 device load, possible 2 loads 10 20 pf c l 3v66 1 device load, possible 2 loads 10 30 pf 48 mhz clock usb 1 device load 10 20 pf ref 1 device load 10 20 pf ioapic 1 device load 10 20 pf v i dc input voltage range 0 v dd3v v v o dc output voltage range 0 v dd25v v dd3v v f ref reference frequency, oscillator nominal value 14.31818 14.31818 mhz t amb operating ambient temperature range in free air 0 +70 c power management ck133 condition maximum 2.5v supply consumption maximum discrete cap loads, v dd25v = 2.625 v all static inputs = v dd3v or v ss maximum 3.3v supply consumption maximum discrete cap loads, v dd25v = 3.465 v all static inputs = v dd3v or v ss power-down mode (pwrdwn = 0) 100 m a 200 m a full active 100 mhz sel133/100# = 0 sel1, 0 = 1 1 cpustop, pcistop = 1 80 ma 160 ma full active 133 mhz sel133/100# = 1 sel1, 0 = 1 1 cpustop, pcistop = 1 90 ma 160 ma
philips semiconductors product specification PCK2010R ck98r (100/133mhz) rcc spread spectrum system clock generator 2000 may 17 7 dc characteristics test conditions limits symbol parameter test conditions t amb = 0 c to +70 c unit symbol parameter v dd (v) other min typ max v ih high level input voltage 3.135 to 3.465 v dd25v = 2.5 v 5% 2.0 v dd + 0.3 v v il low level input voltage 3.135 to 3.465 v dd3v = 3.3 v 5% v ss 0.3 0.8 v v oh2 2.5 v output high voltage cpuclk, ioapic, cpudiv2 2.375 to 2.625 i oh = 1 ma 2.0 v v ol2 2.5 v output low voltage cpuclk, ioapic, cpudiv2 2.375 to 2.625 i ol = 1 ma 0.4 v v oh3 3.3 v output high voltage ref, 48 mhz usb 3.135 to 3.465 i oh = 1 ma 2.0 v v ol3 3.3 v output low voltage ref, 48 mhz usb 3.135 to 3.465 i ol = 1 ma 0.4 v v oh3 3.3 v output high voltage pci, 3v66 3.135 to 3.465 i oh = 1 ma 2.4 v v ol3 3.3 v output low voltage pci, 3v66 3.135 to 3.465 i ol = 1 ma 0.55 v i o cpuclk 2.375 v out = 1.0 v 27 ma i oh output high current 2.625 v out = 2.375 v 27 ma i o 48 mhz usb, ref 3.135 v out = 1.0 v 29 ma i oh , output high current 3.465 v out = 3.135 v 23 ma i o pci, 3v66 3.135 v out = 1.0 v 33 ma i oh , output high current 3.465 v out = 3.135 v 33 ma i o cpuclk 2.375 v out = 1.2 v 27 ma i ol output low current 2.625 v out = 0.3 v 30 ma i o 48 mhz usb, ref 3.135 v out = 1.95 v 29 ma i ol , output low current 3.465 v out = 0.4 v 27 ma i o pci, 3v66 3.135 v out = 1.95 v 30 ma i ol , output low current 3.465 v out = 0.4 v 38 ma i i input leakage current 3.465 5 m a i oz 3-state output off-state current 3.465 v out = v dd or gnd i o = 0 10 m a cin input pin capacitance 5 pf cxtal xtal pin capacitance, as seen by external crystal 18 pf cout output pin capacitance 6 pf
philips semiconductors product specification PCK2010R ck98r (100/133mhz) rcc spread spectrum system clock generator 2000 may 17 8 ac characteristics v dd3v = 3.3 v 5%; vddapic = v dd25v = 2.5 v 5%; f crystal = 14.31818 mhz cpu clock outputs, cpu(03) (lump capacitance test load = 20 pf) symbol parameter limits t amb = 0 c to +70 c limits t amb = 0 c to +70 c unit notes symbol parameter 133 mhz mode 100 mhz mode unit notes min max min max t hkp cpuclk period 7.5 8.0 10.0 10.5 ns 2, 9 t hkh cpuclk high time 1.87 n/a 3.0 n/a ns 5, 10 t hkl cpuclk low time 1.67 n/a 2.8 n/a ns 6, 10 t hrise cpuclk rise time 0.4 1.6 0.4 1.6 ns 8 t hfall cpuclk fall time 0.4 1.6 0.4 1.6 ns 8 t jitter cpuclk cycle-cycle jitter 250 250 ps duty cycle output duty cycle 45 55 45 55 % 1 t hskw cpuclk pin-pin skew 175 175 ps 2 cpudiv2 clock outputs, cpudiv2 (01) (lump capacitance test load = 20 pf) symbol parameter limits t amb = 0 c to +70 c limits t amb = 0 c to +70 c unit notes symbol parameter 133 mhz mode 100 mhz mode unit notes min max min max t hkp cpudiv2 clk period 15.0 16.0 20.0 21.0 ns 2, 9 t hkh cpudiv2 clk high time 5.25 n/a 7.5 n/a ns 5, 10 t hkl cpudiv2 clk low time 5.05 n/a 7.3 n/a ns 6, 10 t hrise cpudiv2 clk rise time 0.4 1.6 0.4 1.6 ns 8 t hfall cpudiv2 clk fall time 0.4 1.6 0.4 1.6 ns 8 t jitter cpudiv2 clk cycle-cycle jitter 250 250 ps duty cycle cpudiv2 clk duty cycle 45 55 45 55 % 1 t hskw cpudiv2 clk pin-pin skew 175 175 ps 2 pci clock outputs, pci(07) (lump capacitance test load = 30 pf) symbol parameter limits t amb = 0 c to +70 c limits t amb = 0 c to +70 c unit notes symbol parameter 133 mhz mode 100 mhz mode unit notes min max min max t hkp pciclk period 30.0 n/a 30.0 n/a ns 2, 9 t hkh pciclk high time 12.0 n/a 12.0 n/a ns 5, 10 t hkl pciclk low time 12.0 n/a 12.0 n/a ns 6, 10 t hrise pciclk rise time 0.5 2.0 0.5 2.0 ns 8 t hfall pciclk fall time 0.5 2.0 0.5 2.0 ns 8 t jitter pciclk cycle-cycle jitter 500 500 ps duty cycle pciclk duty cycle 45 55 45 55 % 1 t hskw pciclk pin-pin skew 500 500 ps 2
philips semiconductors product specification PCK2010R ck98r (100/133mhz) rcc spread spectrum system clock generator 2000 may 17 9 apic(01) clock output (lump capacitance test load = 20 pf) symbol parameter limits t amb = 0 c to +70 c limits t amb = 0 c to +70 c unit notes symbol parameter 133 mhz mode 100 mhz mode unit notes min max min max t hkp ioapic clk period 60.0 64.0 60.0 64.0 ns 2, 9 t hkh ioapic clk high time 25.5 n/a 25.5 n/a ns 5, 10 t hkl ioapic clk low time 25.3 n/a 25.3 n/a ns 6, 10 t hrise ioapic clk rise time 0.4 1.6 0.4 1.6 ns 8 t hfall ioapic clk fall time 0.4 1.6 0.4 1.6 ns 8 t jitter ioapic clk cycle-cycle jitter 500 500 ps duty cycle ioapic clk duty cycle 45 55 45 55 % 1 t hskw ioapic clk pin-pin skew 250 250 ps 2 3v66 clock output, 3v66 (03) (lump capacitance test load = 30 pf) symbol parameter limits t amb = 0 c to +70 c limits t amb = 0 c to +70 c unit notes symbol parameter 133 mhz mode 100 mhz mode unit notes min max min max t hkp 3v66 clk period 15.0 16.0 15.0 16.0 ns 2, 9, 4 t hkh 3v66 clk high time 5.25 n/a 5.25 n/a ns 5, 10 t hkl 3v66 clk low time 5.05 n/a 5.05 n/a ns 6, 10 t hrise 3v66 clk rise time 0.4 1.6 0.4 1.6 ns 8 t hfall 3v66 clk fall time 0.4 1.6 0.4 1.6 ns 8 t jitter 3v66 clk cycle-cycle jitter 500 500 ps duty cycle 3v66 clk duty cycle 45 55 45 55 % 1 t hskw 3v66 clk pin-pin skew 250 250 ps 2 48mhz(01) clock output (lump capacitance test load = 20 pf) symbol parameter test conditions limits t amb = 0 c to +70 c unit notes min max f frequency, actual determined by pll divider ratio 48.008 mhz f d deviation from 48 mhz (48.008 48)/48 +167 ppm t hrise (t r ) output rise edge rate 1 4 ns t hfall (t f ) output fall edge rate 1 4 ns duty cycle (t d ) duty cycle 45 55 % 133 mhz 100 mhz t jitter clk cycle-cycle jitter min max min max ps 500 500 t hstb (f st ) frequency stabilization from power-up (cold start) 3 ms note: 1. see figure 5 for measure points.
philips semiconductors product specification PCK2010R ck98r (100/133mhz) rcc spread spectrum system clock generator 2000 may 17 10 ac characteristics (continued) test conditions limits symbol parameter test conditions t amb = 0 c to +70 c unit notes symbol parameter measurement loads (lumped) measure points min typ max unit notes t hpoffset cpuclk to 3v66 clk, cpu leads cpu@20 pf, 3v66@30 pf cpu@1.25 v, 3v66@1.5 v 0.0 0.45 1.5 ns 1 t hpoffset 3v66 clk to pciclk, 3v66 leads 3v66@30 pf, pci@30 pf 3v66@1.5 v, pci@1.5 v 1.5 2.0 3.5 ns 1 t hpoffset cpuclk to ioapic, cpu leads cpu@20 pf, ioapic@20 pf 3cpu@1.25 v, ioapic@1.25 v 1.5 2.4 4.0 ns 1 t hpoffset cpuclk to pciclk , cpu leads cpu@20 pf pci@30 pf cpu@1.25 v pci@1.5 v 1.5 2.7 4.0 ns t hpoffset cpudiv2 to cpuclk, cpudiv2 leads cpudiv2@20 pf cpu@20 pf cpudiv2@ cpu@1.25 v 0.75 1.6 2.5 ns notes: 1. output drivers must have monotonic rise/fall times through the specified v ol /v oh levels. 2. period, jitter, offset and skew measured on rising edge @1.25 v for 2.5 v clocks and @ 1.5 v for 3.3 v clocks. 3. the pciclk is the cpuclk divided by four at cpuclk = 133 mhz. the 3v66 clk is internal vco frequency divided by three at cpuclk = 100 mhz. 4. 3v66 clk is internal vco frequency divided by two at cpuclk = 133 mhz. the 3v66 clk is internal vco frequency divided by thre e at cpuclk = 100 mhz. 5. t hkh is measured at 2.0 v for 2.5 v outputs, 2.4 v for 3.3 v outputs as shown in figure 4. 6. t hkl is measured at 0.4 v for all outputs as shown in figure 4. 7. the time is specified from when v ddq achieves its nominal operating level (typical condition v ddq = 3.3 v) until the frequency output is stable and operating within specification. 8. t hrise and t hfall are measured as a transition through the threshold region v ol = 0.4 v and v oh = 2.4 v (1 ma) jedec specification. 9. the average period over any 1 m s period of time must be greater than the minimum specified period. 10. calculated at minimum edge-rate (1v/ns) to guarantee 45/55% duty-cycle. pulse width is required to be wider at faster edge-r ate to ensure duty-cycle specification is met. 11. output (see figure 5 for measure points).
philips semiconductors product specification PCK2010R ck98r (100/133mhz) rcc spread spectrum system clock generator 2000 may 17 11 spread spectrum function table spread# sel133/100# sel1 sel0 f nction 48 mhz pll pin 34 pin 28 pin 33 pin 32 f u nction 48 mhz pll 0 (active) 0 (100 mhz) 0 0 3-state to high impedance inactive 0 (active) 0 (100 mhz) 0 1 100 mhz, center spread 0.5% active 0 (active) 0 (100 mhz) 1 0 100 mhz, down spread 0.5% inactive 0 (active) 0 (100 mhz) 1 1 100 mhz, down spread 0.5% active 0 (active) 1 (133 mhz) 0 0 test mode active 0 (active) 1 (133 mhz) 0 1 133 mhz, center spread 0.5% active 0 (active) 1 (133 mhz) 1 0 133 mhz, down spread 0.5% inactive 0 (active) 1 (133 mhz) 1 1 133 mhz, down spread 0.5% active 1 (inactive) 0 (100 mhz) 0 0 3-state to high impedance inactive 1 (inactive) 0 (100 mhz) 0 1 100 mhz, no center spread 0.5% active 1 (inactive) 0 (100 mhz) 1 0 100 mhz, no down spread 0.5% inactive 1 (inactive) 0 (100 mhz) 1 1 100 mhz, no down spread 0.5% active 1 (inactive) 1 (133 mhz) 0 0 test mode active 1 (inactive) 1 (133 mhz) 0 1 133 mhz, no center spread 0.5% active 1 (inactive) 1 (133 mhz) 1 0 133 mhz, no down spread 0.5% inactive 1 (inactive) 1 (133 mhz) 1 1 133 mhz, no down spread 0.5% active
philips semiconductors product specification PCK2010R ck98r (100/133mhz) rcc spread spectrum system clock generator 2000 may 17 12 ac waveforms v m = 1.25 v @ v ddq2 and 1.5 v @ v ddq3 v x = v ol + 0.3 v v y = v oh 0.3 v v ol and v oh are the typical output voltage drop that occur with the output load. cpuclk @133mhz 1.5v 1.25v v ddq2 v ss v ddq3 v ss t hpoffset sw00354 3v66 @66mhz cpu leads 3v66 figure 1. cpuclk to 3v66 offset 1.5v 1.5v pciclk @ 33mhz v ddq3 v ss v ddq3 v ss t hpoffset sw00356 3v66 leads pciclk 3v66 @ 66mhz figure 2. 3v66 to pci offset cpuclk @ 133mhz 1.25v 1.25v ioapic @ 16.6mhz v ddq2 v ss v ddq2 v ss t hpoffset sw00357 cpuclk leads ioapic figure 3. cpu to ioapic offset t hkp duty cycle t hkh t rise t fall t hkl t pkp t pkh t rise t fall t pkl 2.5v clocking interface 3.3v clocking interface (ttl) 2.0 1.25 0.4 2.4 1.5 0.4 sw00242 figure 4. 2.5v/3.3v clock waveforms v ddq2 2.5 v measurement points v oh = 2.0 v v ih = 1.7 v 1.25 v v il = 0.7 v v ol = 0.4 v v ss system measurement points v ddq3 3.3 v measurement points v oh = 2.4 v v ih = 2.0 v 1.5 v v il = 0.7 v v ol = 0.4 v v ss component measurement points system measurement points component measurement points sw00243 figure 5. component versus system measure points t plz t pzl v i sel133/100, sel1, sel0 gnd v dd output low-to-off off-to-low v ol v oh output high-to-off off-to-high v ss outputs enabled outputs enabled outputs disabled t phz v m v m v m t pzh v x v y sw00454 figure 6. 3-state enable and disable times
philips semiconductors product specification PCK2010R ck98r (100/133mhz) rcc spread spectrum system clock generator 2000 may 17 13 pulse generator r t v i d.u.t. v o c l v dd test s 1 t plh /t phl open t plz /t pzl 2 v dd t phz /t pzh v ss open v ss s 1 2 v dd v dd = v ddq2 or v ddq3 , depends on the output 500 w 500 w sw00238 figure 7. load circuitry for switching times sw00244 pwrdwn cpuclk (internal) pciclk (internal) pciclk (external) cpuclk (external) pwrdwn osc & vco usb (48mhz) figure 8. power management
philips semiconductors product specification PCK2010R ck98r (100/133mhz) rcc spread spectrum system clock generator 2000 may 17 14 ssop56: plastic shrink small outline package; 56 leads; body width 7.5 mm sot371-1
philips semiconductors product specification PCK2010R ck98r (100/133mhz) rcc spread spectrum system clock generator 2000 may 17 15 notes
philips semiconductors product specification PCK2010R ck98r (100/133mhz) rcc spread spectrum system clock generator 2000 may 17 16 definitions short-form specification e the data in a short-form specification is extracted from a full data sheet with the same type number and title. for detailed information see the relevant data sheet or data handbook. limiting values definition e limiting values given are in accordance with the absolute maximum rating system (iec 134). stress above one or more of the limiting values may cause permanent damage to the device. these are stress ratings only and operation of the dev ice at these or at any other conditions above those given in the characteristics sections of the specification is not implied. exposure to limi ting values for extended periods may affect device reliability. application information e applications that are described herein for any of these products are for illustrative purposes only. philips semiconductors make no representation or warranty that such applications will be suitable for the specified use without further testing or modification. disclaimers life support e these products are not designed for use in life support appliances, devices or systems where malfunction of these products can reasonably be expected to result in personal injury. philips semiconductors customers using or selling these products for use i n such applications do so at their own risk and agree to fully indemnify philips semiconductors for any damages resulting from such application. right to make changes e philips semiconductors reserves the right to make changes, without notice, in the products, including circuits, standard cells, and/or software, described or contained herein in order to improve design and/or performance. philips semiconductors ass umes no responsibility or liability for the use of any of these products, conveys no license or title under any patent, copyright, or m ask work right to these products, and makes no representations or warranties that these products are free from patent, copyright, or mask work right in fringement, unless otherwise specified. philips semiconductors 811 east arques avenue p.o. box 3409 sunnyvale, california 940883409 telephone 800-234-7381 ? copyright philips electronics north america corporation 2000 all rights reserved. printed in u.s.a. date of release: 05-00 document order number: 939775007139

data sheet status objective specification preliminary specification product specification product status development qualification production definition [1] this data sheet contains the design target or goal specifications for product development. specification may change in any manner without notice. this data sheet contains preliminary data, and supplementary data will be published at a later date. philips semiconductors reserves the right to make changes at any time without notice in order to improve design and supply the best possible product. this data sheet contains final specifications. philips semiconductors reserves the right to make changes at any time without notice in order to improve design and supply the best possible product. data sheet status [1] please consult the most recently issued datasheet before initiating or completing a design.

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