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9VRS4338D Dataheets PDF



Part Number 9VRS4338D
Manufacturers Renesas
Logo Renesas
Description VERY LOW POWER CLOCK
Datasheet 9VRS4338D Datasheet9VRS4338D Datasheet (PDF)

VERY LOW POWER CLOCK FOR 2011 NETBOOKS DATASHEET 9VRS4338D General Description The 9VRS4338D is a main clock for Intel Netbooks, conforming to the CK-NET specification. It is driven with a 14.31818MHz crystal and generates a variety of clocks, including an LCD clock. An SMBus interface allows full control of the device. Recommended Application CK-NET Output Features • 2 - 0.8V push-pull differential CPU pairs • 3 - 0.8V push-pull differential SRC pairs • 1 - 0.8V push-pull differential SATA/SR.

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VERY LOW POWER CLOCK FOR 2011 NETBOOKS DATASHEET 9VRS4338D General Description The 9VRS4338D is a main clock for Intel Netbooks, conforming to the CK-NET specification. It is driven with a 14.31818MHz crystal and generates a variety of clocks, including an LCD clock. An SMBus interface allows full control of the device. Recommended Application CK-NET Output Features • 2 - 0.8V push-pull differential CPU pairs • 3 - 0.8V push-pull differential SRC pairs • 1 - 0.8V push-pull differential SATA/SRC pair • 1 - 0.8V push-pull differential DOT96/SRC pair • 1 - 0.8V push-pull differential LCD100 pair • 1 - 0.8V push-pull differential CPU_ITP/SRC pair • 3 - PCI (33MHz), 1 free-running • 1 - 25MHz _PCI (33MHz) • 1 - USB_48MHz • 1 - REF, 14.318MHz Pin Configuration Features/Benefits • 25M output can run in power down; Supports Wake_On_LAN • Selectable spread % on CPU, SRC, PCI; Supports margining • External 14.318MHz crystal; Supports tight ppm • CLKREQ# pins; Support SRC power management • Low power differential clock outputs; reduced power and board space • Integrated 33 ohm series resistors on all differential outputs; reduced board space Key Specifications • CPU cycle-to-cycle jitter <85ps • SRC/SATA cycle-to-cycle jitter <85ps • SRC(1:4) are PCIe Gen2 compliant • SRC5 is PCIe Gen1 compliant • ±100ppm frequency accuracy on all clocks except 25M • ±30ppm frequency accuracy on 25M GNDREF CLK PW RGD/PD# _3.3 CP U0_L RS CPU0 #_LRS GNDCPU CPU1 _LRS CP U1#_ LRS VDDCP U_L VIO VDD_CORE_1.5 CPU_ ITP/S RC1_L RS CPU_ITP#/SRC 1#_LRS CPU_ STOP#_ 3.3 48 47 46 45 44 43 42 41 40 39 38 37 X2 1 36 SRC2_LRS X1 2 35 SRC2#_LRS VDDREF 3 34 GNDSRC REF0_2x/FSLC 4 33 SRC3_LRS SDATA_3.3 5 32 SRC3#_LRS SCLK_3.3 6 VDDPCI_3.3 7 9VRS4338D 31 PCI_STOP#_3.3 30 VDDSR C_LVIO vITP_EN/PCI_F1_2x 8 29 SRC4_LRS FSLB/PCI2_2x 9 28 SRC4#_LRS CLKREQA#/PCI3_2x 10 27 SATA_LRS GNDPCI 11 26 SATA#_LRS GND25 12 25 GNDSATA 13 14 15 16 17 18 19 20 21 22 23 24 v SE L_P CI/25 M_P CI4_2 x VDD2 5 VDD48 vUS B_ 48Mh z_ 2x GND48 CLKR EQB# DO T96_ LRS /SRC5 _LRS DOT9 6#_L RS/S RC5# _LRS VDD_CORE_1.5 LCD10 0_LRS LCD 100# _LRS GND LCD 48-pin MLF, 6x6 mm, 0.4mm pitch v prefix indicates internal 120KOhm pull down resistor ^ prefix indicates internal 120KOhm pull up resistor IDT® VERY LOW POWER CLOCK FOR 2011 NETBOOKS 1 9VRS4338D REV A 022616 9VRS4338D VERY LOW POWER CLOCK FOR 2011 NETBOOKS Pin Descriptions PIN # PIN NAME 1 X2 2 X1 3 VDDREF 4 REF0_2x/FSLC 5 SDATA_3.3 6 SCLK_3.3 7 VDDPCI_3.3 8 vITP_EN/PCI_F1_2x 9 FSLB/PCI2_2x 10 CLKREQA#/PCI3_2x 11 GNDPCI 12 GND25 13 vSEL_PCI/25M_PCI4_2x 14 VDD25 15 VDD48 16 vUSB_48Mhz_2x 17 GND48 18 CLKREQB# 19 DOT96_LRS/SRC5_LRS 20 DOT96#_LRS/SRC5#_LRS 21 VDD_CORE_1.5 22 LCD100_LRS 23 LCD100#_LRS 24 GNDLCD T YPE D ESC RIPT ION OUT Crystal output, Nominally 14.318MHz IN Crystal input, Nominally 14.318MHz. PWR Ref, XTAL power s upply, nominal 3.3V I/O 2x strength 14.318 MHz reference cloc k./ 3.3V tolerant input for CPU frequency se.


709099L 9VRS4338D 5L2503


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