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Table 2-11. GTL+ Asynchronous Signal Group DC Specifications
Symbol
V
IL
V
IH
V
OH
I
OL
I
LI
I
LO
R
ON
NOTES:
1.
Unless otherwise noted, all specifications in this table apply to all processor frequencies.
2.
V
is defined as the voltage range at a receiving agent that will be interpreted as a logical low value.
IL
3.
LINT0/INTR and LINT1/NMI use GTLREF as a reference voltage. For these two signals V
V
= GTLREF – (0.10 * V
IL
4.
V
is defined as the voltage range at a receiving agent that will be interpreted as a logical high value.
IH
5.
V
and V
IH
ifications.
6.
The V
TT
7.
All outputs are open drain.
8.
The maximum output current is based on maximum current handling capability of the buffer and is not specified into the test
load.
9.
Leakage to V
10.
Leakage to V
Table 2-12. GTL+ Signal Group DC Specifications
Symbol
V
IL
V
IH
V
OH
I
OL
I
LI
I
LO
R
ON
NOTES:
1.
Unless otherwise noted, all specifications in this table apply to all processor frequencies.
2.
V
is defined as the voltage range at a receiving agent that will be interpreted as a logical low value.
IL
3.
The V
TT
4.
V
is defined as the voltage range at a receiving agent that will be interpreted as a logical high value.
IH
5.
Leakage to V
Datasheet
Parameter
Input Low Voltage
Input High Voltage
Output High Voltage
Output Low Current
Input Leakage Current
Output Leakage Current
Buffer On Resistance
).
TT
may experience excursions above V
OH
referred to in these specifications refers to instantaneous V
with land held at V
.
SS
TT
with land held at 300 mV.
TT
Parameter
Input Low Voltage
Input High Voltage
GTLREF + (0.10 * V
Output High Voltage
Output Low Current
Input Leakage Current
Output Leakage Current
Buffer On Resistance
referred to in these specifications is the instantaneous V
with land held at V
.
SS
TT
Min
0.0
V
V
/2 + (0.10 * V
)
TT
TT
0.90*V
TT
V
TT
—
N/A
N/A
8
. However, input signal drivers must comply with the signal quality spec-
TT
.
TT
Min
0.0
GTLREF – (0.10 * V
)
TT
0.90*V
TT
V
TT
N/A
N/A
N/A
8
.
TT
Electrical Specifications
Max
Unit
/2 – (0.10 * V
)
V
TT
TT
V
V
TT
V
V
TT
/[(0.50*R
) +
TT_MIN
A
R
]
ON_MIN
± 200
µA
± 200
µA
Ω
12
= GTLREF + (0.10 * V
IH
Max
Unit
)
V
TT
V
V
TT
V
V
TT
/[(0.50*R
) +
TT_MIN
A
R
]
ON_MIN
± 200
µA
± 200
µA
Ω
12
1
Notes
2, 3
3, 4, 5, 6
5, 6, 7
8
9
10
-
) and
TT
1
Notes
2, 3
3, 4
3
-
5
-
-
31
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