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9DB423BGLF Datasheet(PDF) 2 Page - Integrated Device Technology

Part # 9DB423BGLF
Description  Four Output Differential Buffer for PCIe Gen 1, Gen 2 and QPI
PDF  19 Pages
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Manufacturer  IDT [Integrated Device Technology]
Direct Link  http://www.idt.com
Logo IDT - Integrated Device Technology

9DB423BGLF Datasheet(HTML) 2 Page - Integrated Device Technology

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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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