Table 3, continued. Pin Definitions for HDMP-0482.
Pin Name
GND
Pin
6
9
18
39
52
61
8
21
33
45
48
58
5
17
27
64
Pin Type
S
Pin Description
Ground:
Normally 0 volts. See Figure 11 for Recommended Power Supply Filtering.
VCCA
VCCHS[0,1]
VCCHS[2,3]
VCCHS[4]
VCCHS[5]
VCCHS[6,7]
VCC
S
S
S
S
S
S
S
S
S
S
Analog Power Supply:
Normally 3.3 volts. Used to provide a clean supply line for the Clock and Data
Recovery (CDR) circuit. See Figure 11 for Recommended Power Supply Filtering.
High Speed Supply:
Normally 3.3 volts. Used only for high-speed outputs (TO_NODE[n]). See Figure 11 for
Recommended Power Supply Filtering.
Logic Power Supply:
Normally 3.3 volts. Used for internal logic. See Figure 11 for Recommended Power
Supply Filtering.
HDMP-0482 Absolute Maximum Ratings
T
a
=25° C, except as specified. Operation in excess of any of these conditions may result in permanent
damage to this device. T
a
refers to the ambient temperature for the board upon which the parametric
measurements were taken.
Symbol
V
CC
V
IN, LVTTL
V
IN, HS_IN
I
O, LVTTL
T
stg
T
j
Parameters
Supply Voltage
LVTTL Input Voltage
HS_IN Input Voltage
LVTTL Output Voltage
Storage Temperature
Junction Temperature
Min.
-0.7
-0.7
1.3
Max.
4.0
4.0
V
CC
±13
Units
V
V
V
mA
°C
°C
-65
0
+150
+125
HDMP-0482 Guaranteed Operating Rates,
T
a
= 0°C to +70°C, V
CC
= 3.15V to 3.45V
Serial Clock Rate
FC (MBd)
Min.
Max.
1,040
1,080
Serial Clock Rate
GE (MBd)
Min.
Max.
1,240
1,260
HDMP-0482 CDR Reference Clock Requirements,
T
a
= 0°C to +70°C, V
CC
= 3.15V to 3.45V
Symbol
f
f
Ftol
Symm
Parameter
Nominal Frequency (Fibre Channel)
Nominal Frequency (Gigabit Ethernet)
Frequency Tolerance
Symmetry (duty cycle)
Min.
Typ.
106.25
125
Max.
Units
MHz
MHz
-100
40
100
60
ppm
%
7
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