Electrical Specifications
11. These specifications are different depending on whether the platform is forward compatible to the Celeron D pro-
cessor or if it is optimized for the Celeron D processor. A compatible platform is one that is designed for a previous
generation processor but has some level of compatibility with the Celeron D processor. An optimized platform is one
designed specifically for the Celeron D processor; however, it may have some level of compatibility with previous
generation processors.
.
Table 2-12. PWRGOOD and TAP Signal Group DC Specifications
1,2
Symbol
Parameter
Input Hysteresis
Min
Max
Unit Notes
3
V
200
350
mV
HYS
Input low to high threshold
voltage
4
V
0.5 * (V + V
)
0.5 * (V + V )
HYS_MAX
V
T+
CC
HYS_MIN
CC
Input high to low threshold
voltage
4
V
0.5 * (V – V
)
0.5 * (V – V )
HYS_MIN
V
T-
CC
HYS_MAX
CC
4
V
Output High Voltage
Output Low Current
Input Leakage Current
Output Leakage Current
Buffer On Resistance
N/A
—
—
—
7
V
V
OH
CC
5
I
45
mA
OL
6
I
± 200
± 200
12
µA
LI
7
I
µA
LO
8
Ron
Ω
NOTES:
1. Unless otherwise noted, all specifications in this table apply to all processor frequencies.
2. All outputs are open drain.
3.
V
represents the amount of hysteresis, nominally centered about 0.5 * V for all TAP inputs.
HYS CC
4. The V referred to in these specifications refers to instantaneous V
.
CC
CC
5. The maximum output current is based on maximum current handling capability of the buffer and is not specified into
the test load.
6. Leakage to V with pin held at V
.
SS
CC
7. Leakage to V with Pin held at 300 mV.
CC
8. These values work for compatible and optimized platforms. A compatible platform is one that is designed for a pre-
vious generation processor but has some level of compatibility with the Celeron D processor. An optimized platform
is one designed specifically for the Celeron D processor; however, it may have some level of compatibility with pre-
vious generation processors.
Table 2-13. VCCVID DC Specifications
Symbol
Parameter
Min
Typ
Max
Unit
Notes
VCCVID
Voltage
1.14
1.14
1.2
1.2
1.26
1.26
V
V
VCCVIDLB Voltage
Table 2-14. VIDPWRGD DC Specifications
Symbol
Parameter
Min
Typ
Max
Unit
Notes
V
Input Low Voltage
Input High Voltage
—
—
—
0.3
—
V
V
IL
V
0.9
IH
Datasheet
27
INTEL [ INTEL ]
