9DB206CLLF Integrated Device Technology (Idt), 9DB206CLLF Datasheet - Page 9

• Manufacturer Part Number: 9DB206CLLF
• Description: PCI Express Jitter Attenuator 28-Pin TSSOP
• Manufacturer: Integrated Device Technology (Idt)

Specifications of 9DB206CLLF

• Package: 28TSSOP
• Operating Temperature: 0 to 70 °C

S
The schematic below illustrates two different terminations. Both
are reliable and adequate. The PCI Express termination is
recommended for all PCI Express application. The optional
IDT
CHEMATIC
ICS9DB206
PCI EXPRESS JITTER ATTENUATOR
™
/ ICS
™
VCC
PCI EXPRESS JITTER ATTENUATOR
HCSL
(U1-7)
E
VCC=3.3V
XAMPLE
0.1uF
C1
VCC
R19
33
R20
33
(U1-16)
R1
50
0.1uF
C2
R2
50
(U1-22)
Zo = 50
Zo = 50
C3
0.1uF
R11
1K
VCC
nOE0
F
R13
1K
IGURE
FS0
R12
1K
VCC
4. E
R3
33
R6
33
PCI Express Termination
10
11
12
13
14
1
2
3
4
5
6
7
8
9
U1
XAMPLE OF
ICS9DB206
R17
50
PLL_BW
CLK
nCLK
FS0
PCIEXT0
PCIEXC0
VDD
GND
PCIEXT1
PCIEXC1
PCIEXT2
PCIEXC2
VDD
nOE0
R18
50
PCI Express Termination
should be as close the
device as possible
9
ICS9DB206 S
PCIEXC5
PCIEXC4
PCIEXC3
PCIEXT5
PCIEXT4
PCIEXT3
termination, which has a slightly better signal integrity, is
recommended for all other applications.
GNDA
VDDA
nOE1
IREF
GND
VDD
VDD
FS1
28
27
26
25
24
23
22
21
20
19
18
17
16
15
R10
475
VCCA
CHEMATIC
nOE1
R14
1K
FS1
C11
0.1uF
R15
1K
R7
C16
10uF
Zo = 50
Zo = 50
Optional Termination
ICS9DB206CL REV B JULY 14, 2006
24
Zo = 50
Zo = 50
VCC
R4
50
R5
50
+
-
+
-
HCSL
HCSL