User Guide

Datasheet, Volume 1 of 2 123
Electrical Specifications
7.2.2.6 CMOS DC Specifications
7.2.2.7 GTL and OD DC Specifications
7.2.2.8 PECI DC Characteristics
The PECI interface operates at a nominal voltage set by Vcc
ST
. The set of DC electrical
specifications shown in the following table is used with devices normally operating from
a Vcc
ST
interface supply.
Table 7-15. CMOS Signal Group DC Specifications
Symbol Parameter Min Max Units Notes
1
V
IL
Input Low Voltage — Vcc * 0.3 V 2, 5
V
IH
Input High Voltage Vcc * 0.7 — V 2, 4, 5
V
OL
Output Low Voltage — Vcc * 0.1 V 2
V
OH
Output High Voltage Vcc * 0.9 — V 2, 4
R
ON
Buffer on Resistance 23 73  -
I
LI
Input Leakage Current — ±150 A 3
Notes:
1. Unless otherwise noted, all specifications in this table apply to all processor frequencies.
2. The Vcc referred to in these specifications refers to instantaneous Vcc levels.
3. For VIN between “0” V and Vcc Measured when the driver is tri-stated.
4. V
IH
and V
OH
may experience excursions above Vcc. However, input signal drivers should comply with the
signal quality specifications.
5. N/A
Table 7-16. GTL Signal Group and Open Drain Signal Group DC Specifications
Symbol Parameter Min Max Units Notes
1
V
IL
Input Low Voltage (TAP, except PROC_TCK,
PROC_TRST#)
— Vcc * 0.6 V 2, 5, 6
V
IH
Input High Voltage (TAP, except PROC_TCK,
PROC_TRST#)
Vcc * 0.72 — V 2, 4, 5, 6
V
IL
Input Low Voltage (PROC_TCK,PROC_TRST#) — Vcc * 0.3 V 2, 5, 6
V
IH
Input High Voltage (PROC_TCK,PROC_TRST#) Vcc * 0.3 — V 2, 4, 5, 6
V
HYSTERESIS
Hysteresis Voltage Vcc * 0.2 — V -
R
ON
Buffer on Resistance (TDO) 7 17  -
V
IL
Input Low Voltage (other GTL) — Vcc * 0.6 V 2, 5, 6
V
IH
Input High Voltage (other GTL) Vcc * 0.72 — V 2, 4, 5, 6
R
ON
Buffer on Resistance (CFG/BPM) 16 24  -
R
ON
Buffer on Resistance (other GTL) 12 28  -
I
LI
Input Leakage Current — ±150 A 3
Notes:
1. Unless otherwise noted, all specifications in this table apply to all processor frequencies.
2. The Vcc
ST
referred to in these specifications refers to instantaneous Vcc
ST/IO
.
3. For V
IN
between 0 V and Vcc
ST
. Measured when the driver is tri-stated.
4. V
IH
and V
OH
may experience excursions above Vcc
ST
. However, input signal drivers should comply with the signal quality
specifications.
5. N/A
6. Those V
IL
/V
IH
values are based on ODT disabled (ODT Pull-up not exist).