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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ICS951464 датащи(PDF) 1 Page - Renesas Technology Corp |
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ICS951464 датащи(HTML) 1 Page - Renesas Technology Corp |
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1 / 25 page  ICS951464 IDTTM/ICSTM Programmable System Clock Chip for ATI RS/RD690 K8TM - based Systems 1211B—09/17/09 Programmable System Clock Chip for ATI RS/RD690 K8 TM - based Systems 1 Recommended Application: ATI RS/RD690 systems using AMD K8 processors & SB600 Southbridge Output Features: • 2 - 0.7V current-mode differential CPU pairs • 6 - 0.7V current-mode differential SRC pairs • 2 - 0.7V current-mode differential ATIG pairs • 1 - HyperTransport clock seed • 2 - 48MHz USB clock • 3 - 14.318MHz Reference clock Pin Configuration Key Specifications: • CPU outputs cycle-to-cycle jitter < 85ps • SRC outputs cycle-to-cycle jitter < 125ps • ATIG outputs cycle-to-cycle jitter < 125ps • +/- 300ppm frequency accuracy on CPU, SRC & ATIG clocks Features/Benefits: • 3 - Programmable Clock Request pins for SRC and ATIG clocks • ATIGCLKs are programmable for frequency • Spread Spectrum for EMI reduction • Outputs may be disabled via SMBus • External crystal load capacitors for maximum frequency accuracy GNDREF 1 56 FS0/REF0 VDDREF 2 55 FS1/REF1 X1 3 54 FS2/REF2 X2 4 53 **PD VDD48 5 52 VDDHTT 48MHz_0 6 51 HTTCLK0 48MHz_1 7 50 GNDHTT GND48 8 49 *CLKREQA# SMBCLK 9 48 CPUCLK8T0 SMBDAT 10 47 CPUCLK8C0 RESET_IN# 11 46 VDDCPU SRCCLKT7 12 45 GNDCPU SRCCLKC7 13 44 CPUCLK8T1 VDDSRC 14 43 CPUCLK8C1 GNDSRC 15 42 VDDA SRCCLKT6 16 41 GNDA SRCCLKC6 17 40 IREF SRCCLKT5 18 39 SRCCLKT0 SRCCLKC5 19 38 SRCCLKC0 SRCCLKT4 20 37 GNDSRC SRCCLKC4 21 36 VDDSRC GNDSRC 22 35 ATIGCLKT0 VDDSRC 23 34 ATIGCLKC0 SRCCLKT2 24 33 VDDATIG SRCCLKC2 25 32 GNDATIG VDDSRC 26 31 ATIGCLKT1 GNDSRC 27 30 ATIGCLKC1 *CLKREQB# 28 29 *CLKREQC# 56-Pin SSOP/TSSOP Note: Pins preceeded by * have a 120 Kohm Internal Pull Up resistor Pins preceeded by ** have a 120 Kohm Internal Pull Down resistor |
Аналогичный номер детали - ICS951464 |
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Аналогичное описание - ICS951464 |
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