ICS85310AYI-21LN IDT, Integrated Device Technology Inc, ICS85310AYI-21LN Datasheet - Page 11
![no-image](/images/manufacturer_photos/0/3/324/idt__integrated_device_technology_inc_sml.jpg)
ICS85310AYI-21LN
Manufacturer Part Number
ICS85310AYI-21LN
Description
IC FANOUT BUFFER 1-5 DUAL 32LQFP
Manufacturer
IDT, Integrated Device Technology Inc
Series
HiPerClockS™r
Type
Fanout Buffer (Distribution)r
Datasheet
1.ICS85310AYI-21LNT.pdf
(16 pages)
Specifications of ICS85310AYI-21LN
Number Of Circuits
2
Ratio - Input:output
1:5
Differential - Input:output
Yes/Yes
Input
HCSL, LVDS, LVHSTL, LVPECL, SSTL
Output
ECL, LVPECL
Frequency - Max
700MHz
Voltage - Supply
2.375 V ~ 3.8 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
32-LQFP
Frequency-max
700MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
85310AYI-21LN
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ICS85310AYI-21LN
Manufacturer:
IDT, Integrated Device Technology Inc
Quantity:
10 000
Company:
Part Number:
ICS85310AYI-21LNT
Manufacturer:
IDT, Integrated Device Technology Inc
Quantity:
10 000
3. Calculations and Equations.
LVPECL output driver circuit and termination are shown in Figure 5.
T
voltage of V
Pd_H = [(V
[(2V - 0.9V)/50Ω] * 0.9V = 19.8mW
Pd_L = [(V
[(2V - 1.7V)/50Ω] * 1.7V = 10.2mW
Total Power Dissipation per output pair = Pd_H + Pd_L = 30mW
85310AYI-21
o calculate worst case power dissipation into the load, use the following equations which assume a 50Ω load, and a termination
•
•
For logic high, V
(V
For logic low, V
(V
OL_MAX
OH_MAX
CCO_MAX
CCO_MAX
CCO
- 2V.
– (V
– (V
- V
- V
CCO_MAX
CCO_MAX
OH_MAX
OL_MAX
OUT
OUT
) = 1.7V
) = 0.9V
= V
- 2V))/R
- 2V))/R
= V
OL_MAX
OH_MAX
L
L
F
] * (V
= V
] * (V
IGURE
D
= V
CCO_MAX
IFFERENTIAL
CCO_MAX
CCO_MAX
CCO_MAX
5. LVPECL D
– 1.7V
- V
- V
– 0.9V
OL_MAX
OH_MAX
) = [(2V - (V
) = [(2V - (V
www.idt.com
-
TO
RIVER
V
Q1
CCO
-2.5V/3.3V ECL/LVPECL F
11
C
IRCUIT AND
CCO _MAX
CCO _MAX
- V
- V
T
OL_MAX
R L
ERMINATION
OH_MAX
V
50
CCO
V
- 2V
)) /R
)) /R
OUT
L
] * (V
L
] * (V
L
OW
CCO_MAX
CCO _MAX
ICS85310I-21
S
- V
KEW
- V
OL_MAX
OH_MAX
, D
ANOUT
) =
) =
REV. E AUGUST 13, 2010
UAL
, 1-
B
UFFER
TO
-5