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9DB423BGLFT Datasheet(PDF) 2 Page - Integrated Device Technology |
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9DB423BGLFT Datasheet(HTML) 2 Page - Integrated Device Technology |
2 / 19 page IDT® Four Output Differential Buffer for PCIe Gen 1, Gen 2 and QPI 1437B - 02/04/10 9DB423B Four Output Differential Buffer for PCIe for Gen 1, Gen 2 and QPI 2 Pin Configuration Polarity Inversion Pin List Table Power Groups 28-pin SSOP & TSSOP 01 8 OE_1 OE1# 15 PD# PD# 16 DIF_STOP# DIF_STOP Various OE_x OEx# Pins OE_INV Frequency Selection Bypass Readback Table BYPASS#_133_100 Voltage MODE Low <0.8V Bypass Mid 1.2<Vin<1.8V QPI 133MHz High Vin > 2.0V PCIe 100MHz BYPASS#_133_100 Byte0, bit 3 Byte 0 bit 1 Low 0 0 Mid 1 0 High 0 1 VDD GND 1 4 SRC_IN/SRC_IN# 5,11,18, 24 4 DIF(1,2,5,6) N/A 27 IREF 28 27 Analog VDD & GND for PLL core Description Pin Number VDD 1 28 VDDA SRC_IN 2 27 GNDA SRC_IN# 3 26 IREF GND 4 25 OE_INV VDD 5 24 VDD DIF_1 6 23 DIF_6 DIF_1# 7 22 DIF_6# OE_1 8 21 OE_6 DIF_2 9 20 DIF_5 DIF_2# 10 19 DIF_5# VDD 11 18 VDD BYPASS#_133_100 12 17 HIGH_BW# SCLK 13 16 DIF_STOP# SDATA 14 15 PD# OE_INV = 0 VDD 1 28 VDDA SRC_IN 2 27 GNDA SRC_IN# 3 26 IREF GND 4 25 OE_INV VDD 5 24 VDD DIF_1 6 23 DIF_6 DIF_1# 7 22 DIF_6# OE1# 821 OE6# DIF_2 9 20 DIF_5 DIF_2# 10 19 DIF_5# VDD 11 18 VDD BYPASS#_133_100 12 17 HIGH_BW# SCLK 13 16 DIF_STOP SDATA 14 15 PD# OE_INV = 1 Note: Pin 15 is always active low. This is different than 9DB403. |
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