32 Datasheet
Electrical Specifications
Table 2-13. 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
TT
, for all TAP inputs.
V
T+
Input low to high
threshold voltage
0.5 * (V
TT
+
V
HYS_MIN)
0.5 * (V
TT
+
V
HYS_MAX
)V
4
4. The V
TT
referred to in these specifications refers to instantaneous V
TT
.
V
T-
Input high to low
threshold voltage
0.5 * (V
TT
–
V
HYS_MAX
) 0.5 * (V
TT
–
V
HYS_MIN
)V
4
V
OH
Output High Voltage N/A V
TT
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 land held at V
TT
.
I
LO
Output Leakage Current — ± 200 µA
-
R
ON
Buffer On Resistance 7 12 Ω -
Table 2-14. VTTPWRGD 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
Table 2-15. BSEL [2:0] and VID[5:0] DC Specifications
Symbol Parameter Max Unit Notes
1, 2
NOTES:
1. Unless otherwise noted, all specifications in this table apply to all processor frequencies.
2. These parameters are not tested and are based on design simulations.
R
ON
(BSEL) Buffer On Resistance 60 Ω —
R
ON
(VID) Buffer On Resistance 60 Ω —
I
OL
Max Land Current 8 mA —
I
LO
Output Leakage Current 200 µA
3
3. Leakage to V
SS
with land held at 2.5 V.
V
TOL
Voltage Tolerance V
TT
(max) V —
Table 2-16. BOOTSELECT DC Specifications
Symbol Parameter Min Typ Max Unit Notes
V
IL
Input Low Voltage — — 0.24 V
1
NOTES:
1. These parameters are not tested and are based on design simulations.
V
IH
Input High Voltage 0.96 — — V —
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