Intel Celeron D Processor 3xx Sequence
Datasheet 27
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
Symbol Parameter Min Max Unit Notes
1,2
NOTES:
1. Unless otherwise noted, all specifications in this table apply to all processor frequencies.
2. All outputs are open drain.
V
HYS
Input Hysteresis 200 350 mV
3
3. V
HYS
represents the amount of hysteresis, nominally centered about 0.5 * V
CC
for all TAP inputs.
V
T+
Input low to high threshold
voltage
0.5 * (V
CC
+
V
HYS_MIN
)0.5 * (V
CC
+ V
HYS_MAX
)V
4
4. The V
CC
referred to in these specifications refers to instantaneous V
CC
.
V
T-
Input high to low threshold
voltage
0.5 * (V
CC
– V
HYS_MAX
)0.5 * (V
CC
–
V
HYS_MIN
)V
4
V
OH
Output High Voltage N/A V
CC
V
4
I
OL
Output Low Current — 45 mA
5
5. The maximum output current is based on maximum current handling capability of the buffer and is not specified into
the test load.
I
LI
Input Leakage Current — ± 200 µA
6
6. Leakage to V
SS
with pin held at V
CC
.
I
LO
Output Leakage Current — ± 200 µA
7
7. Leakage to V
CC
with Pin held at 300 mV.
R
on Buffer On Resistance 7 12 Ω
8
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 1.2 1.26 V
VCCVIDLB Voltage 1.14 1.2 1.26 V
Table 2-14. VIDPWRGD DC Specifications
Symbol Parameter Min Typ Max Unit Notes
V
IL
Input Low Voltage — — 0.3 V
V
IH
Input High Voltage 0.9 — — V