ICS858012AKLF IDT, Integrated Device Technology Inc, ICS858012AKLF Datasheet - Page 10

• Manufacturer Part Number: ICS858012AKLF
• Description: IC FANOUT BUFFER 1-2 16-VFQFPN
• Manufacturer: IDT, Integrated Device Technology Inc
• Series: HiPerClockS™r
• Type: Fanout Buffer (Distribution)r

Specifications of ICS858012AKLF

• Number Of Circuits: 1
• Ratio - Input:output: 1:2
• Differential - Input:output: Yes/Yes
• Input: HCSL, LVDS, LVHSTL, LVPECL, SSTL
• Output: LVPECL
• Frequency - Max: 2GHz
• Voltage - Supply: 2.375 V ~ 3.63 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-VFQFN
• Frequency-max: 2GHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 858012AKLF

858012AK
T
Figure 6A and Figure 6B show examples of termination for 2.5V
LVPECL driver. These terminations are equivalent to terminat-
ing 50Ω to V
F
ERMINATION FOR
IGURE
VCC=2.5V
VCC=2.5V
F
IGURE
2,5V LVPECL
Driv er
2,5V LVPECL
Driv er
6A. 2.5V LVPECL D
CC
6C. 2.5V LVPECL T
- 2V. For V
Zo = 50 Ohm
Zo = 50 Ohm
Zo = 50 Ohm
Zo = 50 Ohm
2.5V LVPECL O
CC
= 2.5V, the V
RIVER
2.5V
R1
250
ERMINATION
R2
62.5
R1
50
T
ERMINATION
CC
- 2V is very close to
R3
250
UTPUT
R4
62.5
R2
50
PRELIMINARY
E
XAMPLE
+
-
+
-
E
2.5V
2.5V
XAMPLE
10
ground level. The R3 in Figure 6B can be eliminated and the
termination is shown in Figure 6C.
F
IGURE
VCC=2.5V
2.5V, 3.3V LVPECL F
2,5V LVPECL
Driv er
L
6B. 2.5V LVPECL D
OW
S
KEW
Zo = 50 Ohm
Zo = 50 Ohm
, 1-
TO
-2, D
RIVER
R1
50
ICS858012
T
IFFERENTIAL
ERMINATION
ANOUT
R2
50
R3
18
REV. A OCTOBER 28, 2008
+
-
B
E
2.5V
UFFER
XAMPLE
-
TO
-