W48C111-16H Cypress Semiconductor Corp, W48C111-16H Datasheet
W48C111-16H
Specifications of W48C111-16H
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W48C111-16H Summary of contents
Page 1
... PCI4 PCI5 GND VDDQ3 GND VDDQ3 PCI_F PCI1 PCI2 PCI3 VDDQ3 PCI4 PCI5 VDDQ3 48MHz • 3901 North First Street • San Jose W48C111-16 pull-up CPU(0:1) PCI Spread% 66.6 MHz 33.3 ±0.5% 100 MHz 33.3 ±0. GND 2 27 VDDQ3 3 26 REF ...
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... HIGH, CPU and PCI outputs start with a full clock cycle at full operating frequency (3 ms maximum latency). Power Connection: Connected to 3.3V supply. Power Connection: Power supply for CPU0:1 output buffer. Connected to 2.5V or 3.3V. Ground Connection: Connect all ground pins to the common system ground plane. 2 W48C111-16 ...
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... Figure 2 details the Cypress spreading pattern. Cypress does offer options with more spread and greater EMI reduc- tion. Contact your local Sales representative for details on these devices. Spread Spectrum clocking is always active on this device. S SFT G Typ ical C lock F requ Hz) - Figure 2. Typical Modulation Profile 3 W48C111-16 ...
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... X1 input threshold voltage (typical DDQ3 4. The W48C111-16 contains an internal crystal load capacitor between pin X1 and ground and another between pin X2 and ground. Total load placed on crystal is 14 pF; this includes typical stray capacitance of short PCB traces to crystal input capacitance is applicable when driving X1 with an external clock source (X2 is left unconnected). ...
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... CPU leads PCI output. Assumes full supply voltage reached within 1 ms from power-up. Short cycles exist prior to frequency stabilization. Average value during switching transition. Used for determining series termination value. 5 W48C111-16 CPU = 66.6 MHz CPU = 100 MHz Min. Typ. Max. Min. Typ. Max ...
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... Assumes full supply voltage reached within 1 ms from power-up. Short cycles exist prior to fre- quency stabilization. Average value during switching transition. Used for determining series termination value. Package Name Package Type H 28-pin SSOP (209 mils) 6 W48C111-16 CPU = 66.6/100 MHz Min. Typ. Max. Unit 14.318 MHz 1 4 V/ns ...
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... The inclusion of Cypress Semiconductor products in life-support systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress Semiconductor against all charges. PRELIMINARY W48C111-16 ...