ics85354a Integrated Device Technology, ics85354a Datasheet - Page 11

• Manufacturer Part Number: ics85354a
• Description: Differential-to-lvpecl/ecl Multiplexer
• Manufacturer: Integrated Device Technology

LVPECL(D
The IN/nIN accepts LVPECL, CML, SSTL and other differen-
tial signals. Both V
input requirements. Figures 2A to 2F show interface ex-
amples for the HiPerClockS IN/nIN input driven by the most
common driver types. The input interfaces suggested here
F
F
F
85354AK-01
IGURE
IGURE
IGURE
3.3V
3.3V
100 - 200 Ohm
3.3V
LVDS
2A. H
2C. H
2E. H
CML
3.3V LVPECL
R5
3.3V LVPECL D
D
O
IFFERENTIAL
I
PEN
I
I
RIVEN BY A
P
P
P
ER
ER
ER
SWING
C
C
Zo = 50 Ohm
Zo = 50 Ohm
C
C
R5
100 - 200 Ohm
OLLECTOR
LOCK
LOCK
LOCK
Zo = 50 Ohm
Zo = 50 Ohm
and V
3.3V LVPECL D
S IN/nIN I
S IN/nIN I
Zo = 50 Ohm
Zo = 50 Ohm
S IN/nIN I
) C
OH
CML D
RIVER
C1
C2
LOCK
must meet the V
3.3V
R1
50
NPUT WITH
NPUT
NPUT
RIVER
I
IN
VT
nIN
REF_AC
NPUT
R1
100
R2
50
2.5V
D
D
50 Ohm
50 Ohm
Receiver with Built-In 50
RIVER
PRELIMINARY
RIVEN BY AN
RIVEN BY A
IN
nIN
I
IN
nIN
B
NTERFACE
3.3V
UILT
3.3V
PP
HiPerClockS
HiPerClockS
-
and V
IN
50Ω Ω Ω Ω Ω
CMR
D
11
IFFERENTIAL
are examples only. If the driver is from another vendor, use
their termination recommendation. Please consult with the
vendor of the driver component to confirm the driver termi-
nation requirements.
F
F
F
IGURE
IGURE
IGURE
3.3V
3.3V
3.3V
CML Built-In Pull-Up
LVDS
2B. H
2D. H
2F.
3.3V CML with
Built-In Pullup
B
3.3V LVDS D
H
D
B
UILT
I
UILT
I
I
RIVEN BY A
-
P
P
P
TO
ER
ER
ER
-I
-I
C
C
C
-LVPECL/ECL M
N
N
Zo = 50 Ohm
Zo = 50 Ohm
LOCK
LOCK
LOCK
P
P
ULLUP
ULLUP
3.3V CML D
Zo = 50 Ohm
Zo = 50 Ohm
Zo = 50 Ohm
Zo = 50 Ohm
S IN/nIN I
S IN/nIN I
S IN/nIN I
RIVER
CML D
C1
C2
ICS85354-01
NPUT WITH
NPUT
NPUT
RIVER
IN
VT
nIN
REF_AC
RIVER WITH
R1
100
R1
100
2.5V
50 Ohm
50 Ohm
Receiver with Built-In 50
D
D
D
RIVEN BY A
RIVEN BY A
REV. A JANUARY 16, 2008
UAL
IN
nIN
IN
nIN
ULTIPLEXER
B
3.3V
3.3V
UILT
2:1/1:2
HiPerClockS
-
HiPerCloc kS
IN
50Ω Ω Ω Ω Ω