Electrical Specifications
Table 2-11. GTL+ Asynchronous Signal Group DC Specifications
Symbol
Parameter
Min
Max
Unit Notes1
2, 3
VIL
VIH
Input Low Voltage
Input High Voltage
Output High Voltage
0.0
VTT/2 – (0.10 * VTT
)
V
3, 4, 5, 6
VTT/2 + (0.10 * VTT
0.90*VTT
)
VTT
VTT
V
5, 6, 7
VOH
V
VTT/[(0.50*RTT_MIN) +
8
IOL
Output Low Current
—
A
RON_MIN
± 200
± 200
12
]
9
ILI
ILO
Input Leakage Current
Output Leakage Current
Buffer On Resistance
N/A
N/A
8
µA
10
µA
RON
Ω
-
NOTES:
1.
2.
3.
Unless otherwise noted, all specifications in this table apply to all processor frequencies.
is defined as the voltage range at a receiving agent that will be interpreted as a logical low value.
LINT0/INTR and LINT1/NMI use GTLREF as a reference voltage. For these two signals V = GTLREF + (0.10 * V ) and
V
IL
IH
TT
V = GTLREF – (0.10 * V ).
IL
TT
4.
5.
V
V
is defined as the voltage range at a receiving agent that will be interpreted as a logical high value.
IH
IH
and V may experience excursions above V . However, input signal drivers must comply with the signal quality spec-
OH
TT
ifications.
6.
7.
8.
The V referred to in these specifications refers to instantaneous V
All outputs are open drain.
The maximum output current is based on maximum current handling capability of the buffer and is not specified into the test
load.
.
TT
TT
9.
Leakage to V with land held at V .
SS TT
10. Leakage to V with land held at 300 mV.
TT
Table 2-12. GTL+ Signal Group DC Specifications
Symbol
Parameter
Min
Max
Unit Notes1
2, 3
VIL
VIH
Input Low Voltage
Input High Voltage
Output High Voltage
0.0
GTLREF – (0.10 * VTT
)
V
3, 4
GTLREF + (0.10 * VTT
0.90*VTT
)
VTT
VTT
V
3
VOH
V
VTT/[(0.50*RTT_MIN) +
IOL
Output Low Current
N/A
A
-
RON_MIN
± 200
± 200
12
]
5
-
ILI
ILO
Input Leakage Current
Output Leakage Current
Buffer On Resistance
N/A
N/A
8
µA
µA
Ω
RON
-
NOTES:
1.
2.
3.
4.
5.
Unless otherwise noted, all specifications in this table apply to all processor frequencies.
is defined as the voltage range at a receiving agent that will be interpreted as a logical low value.
The V referred to in these specifications is the instantaneous V
V
IL
.
TT
TT
V
is defined as the voltage range at a receiving agent that will be interpreted as a logical high value.
IH
Leakage to V with land held at V
.
SS
TT
Datasheet
31