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AK8137A

Part Number	AK8137A
Manufacturer	AKM
Description	Low Power Multiclock Generator
Published	May 11, 2014
Detailed Description	AK8137A Low Power Multiclock Generator with XO AK8137A Features 25MHz Crystal Input One 25MHz-Reference Output Selectab...
Datasheet	AK8137A PDF File

Overview

AK8137A Low Power Multiclock Generator with XO AK8137A Features 25MHz Crystal Input One 25MHz-Reference Output Selectable Clock out Frequencies: - 100, 133, 166, 200MHz - 96MHz - 100MHz - 25MHｚ Low Jitter Performance - Cycle to Cycle Jitter: 85 psec at CPU_C 125 psec at SATA_C 250 psec at UBS_C Low Current Consumption: 37mA (Typ.
) at 3.
3V Supply Voltage: 3.
0 – 3.
6V Operating Temperature Range: -20 to +85℃ Package: 20-pin SSOP (Lead free, Halogen free) Description The AK8137A is a member of AKM’s low power multi clock generator family designed for a feature rich DTV or STB, requiring a range of system clocks with high performance.
The AK8137A generates different frequency clocks from a 25 MHz crystal oscillator and provides them to up to four outputs configured by pin-setting.
PLL in AK8137A are derived from AKM’s long-term-experienced clock device technology, and enable clock output to perform low jitter and to operate with very low current consumption.
The AK8137A is available in a 20-pin SSOP package.
Applications Set-Top-Boxes Block Diagram VDD XI Crystal Oscillator XO PLL1 SATA_Cp SATA_Cn PLL2 USB_Cp USB_Cn PLL3 PDCLKN CPU_Cp CPU_Cn REFOUT FSA FSB VREF GND AK8137A Multi Clock Generator MS1109_E_02 -1- February-10 http://www.
Datasheet4U.
com AK8137A Pin Descriptions Package: 20-Pin SSOP(Top View) XI GND3 USB_Cp USB_Cn VDD2 GND2 CPU_Cp CPU_Cn FSB VREF 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 XO VDD3 REFOUT GND4 PDCLKN FSA SATA_Cn SATA_Cp VDD1 GND1 Pin No.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Pin Name XI GND3 USB_Cp USB_Cn VDD2 GND2 CPU_Cp CPU_Cn FSB VREF GND1 VDD１ SATA_Cp SATA_Cn FSA Pin Type AI PWR DO DO PWR PWR DO Clock output for CPU DO DI AO PWR PWR DO DO DI CPU Clock select 360ｋΩ internal pull-up.
Clock Output Control CPU Clock select 360ｋΩ internal pull-up.
Power Supply 2 Ground 2 Ground 3 96MHz Clock output for USB Description Crystal connection, Connect to 25.
000MHz crystal See Table 1 for its selectable frequency VREF Pin.
Connect...

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