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9FG1901HKLFT Datasheet(PDF) 2 Page - Integrated Device Technology |
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9FG1901HKLFT Datasheet(HTML) 2 Page - Integrated Device Technology |
2 / 18 page IDTTM Frequency Gearing Clock for CPU, PCIe Gen1 & FBD 1386A - 02/02/10 9FG1901H Frequency Gearing Clock for CPU, PCIe Gen1 & FBD 2 Pin Configuration 72-pin MLF Power Down Functionality Functionality at Power Up (PLL Mode) Power Groups VDDA/PD# CLK_IN/CLK_IN# DIF DIF# 3.3V (NOM) Running ON GND X OFF Functionality Note It is recommended that Byte 2, bit 6 be toggled from 1 to 0 and back to 1, the first time VDDA is applied. This ensures proper initialization of the device. Hi-Z INPUTS OUTPUTS PLL State Running FS_A_410 1 CLK_IN (CPU FSB) MHz DIF(18:0) MHz 1 100 <= CLK_IN < 200 CLK_IN 0 200<= CLK_IN <= 400 CLK_IN 1. FS_A_410 is a low-threshold input. Please see the V IL_FS and V IH_FS specifications in the Input/Supply/Common Output Parameters Table for correct values. VDD GND 3 2 Main PLL, Analog 11,27,47,63 10,28,46,64 DIF clocks Description Pin Number 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 IREF 1 54 OE14# GNDA 2 53 DIF_13# VDDA/PD# 3 52 DIF_13 HIGH_BW# 4 51 OE13# FS_A_410 5 50 DIF_12# DIF_0 6 49 DIF_12 DIF_0# 7 48 OE12# DIF_1 8 47 VDD DIF_1# 9 46 GND GND 10 45 DIF_11# VDD 11 44 DIF_11 DIF_2 12 43 OE11# DIF_2# 13 42 DIF_10# DIF_3 14 41 DIF_10 DIF_3# 15 40 OE10# DIF_4 16 39 DIF_9# DIF_4# 17 38 DIF_9 OE_01234# 18 37 OE9# 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 9FG1901 |
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