874005AG-04LF Integrated Device Technology (Idt), 874005AG-04LF Datasheet - Page 9

• Manufacturer Part Number: 874005AG-04LF
• Description: PCI Express Jitter Attenuator 24-Pin TSSOP Tube
• Manufacturer: Integrated Device Technology (Idt)

Specifications of 874005AG-04LF

• Package: 24TSSOP
• Operating Temperature: 0 to 70 °C

LVDS D
A general LVDS interface is shown in Figure 4. In a 100
differential transmission line environment, LVDS drivers
require a matched load termination of 100
S
Figure 5 shows an example of ICS874005-04 application
schematic. In this example, the device is operated at V
IDT
CHEMATIC
ICS874005-04
PCI EXPRESS™ JITTER ATTENUATOR
™
/ ICS
VDD = 3.3V
™
RIVER
PCI EXPRESS™ JITTER ATTENUATOR
R1
10
E
(U1:11)
XAMPLE
C3
10uF
C5
10uf
T
ERMINATION
LVPECL Driv er
C6
.1uf
0.01u
(U1:4)
C4
C7
.1uf
(U1:23)
BW_SEL
F_SELA
Zo = 50 Ohm
Zo = 50 Ohm
OEA
3.3V
MR
C8
.1uf
LVDS_Driv er
874005_tssop24
10
11
12
1
2
3
4
5
6
7
8
9
U1
F
100 Ohm Differiential Transmission Line
ICS874005-04
F
nQB2
nQA1
QA1
VDDO
QA0
nQAO
MR
BW_SEL
VDDA
F_SELA
VDD
OEA
IGURE
IGURE
5. ICS874005-04 S
R4
50
across near
4. T
R6
50
F_SELB
DD
VDDO
YPICAL
nQB1
nQB0
nCLK
GND
GND
OEB
= 3.3V.
QB2
QB1
QB0
CLK
R5
50
24
23
22
21
20
19
18
17
16
15
14
13
nCLK
LVDS D
CLK
9
VDDO = 3.3V
F_SELB
The decoupling capacitor should be located as close as possible
to the power pin. The input is driven by a 3.3V LVPECL driver.
the receiver input. For a multiple LVDS output buffer, if only
partial outputs are used, it is recommended to terminate the
unused outputs.
OEB
CHEMATIC
RIVER
R1
100
T
ERMINATION
E
XAMPLE
+
-
3.3V
ICS874005AG-04 REV. A JULY 29, 2008
Zo = 50 Ohm
Zo = 50 Ohm
Zo = 50 Ohm
Zo = 50 Ohm
R2
100
R3
100
+
-
+
-