Datasheet
XIO2001
www.ti.com
SCPS212G –MAY 2009–REVISED DECEMBER 2012
7.7 PCI Bus Electrical Characteristics
(1)
over recommended operating conditions
PARAMETER OPERATION TEST CONDITIONS MIN MAX UNIT
PCIR = 3.3 V 0.5 × V
DD_33
PCIR + 0.5
V
IH
High-level input voltage
(2)
V
PCIR = 5 V 2.0 PCIR + 0.5
PCIR = 3.3 V –0.5 0.3 × V
DD_33
V
IL
Low-level input voltage
(2)
V
PCIR = 5 V –0.5 0.8
V
I
Input voltage 0 PCIR V
V
O
Output voltage
(3)
0 V
DD_33
V
t
t
Input transition time (t
rise
and t
fall
) 1 4 ns
PCIR = 3.3 V I
OH
= –500 μA 0.9 × V
DD_33
V
OH
High-level output voltage V
PCIR = 5 V I
OH
= –2 mA 2.4
PCIR = 3.3 V I
OH
= 1500 μA 0.1 × V
DD_33
V
OL
Low-level output voltage V
PCIR = 5 V I
OH
= 6 mA 0.55
PCIR = 3.3 V ±10
I
OZ
High-impedance, output current
(3)
μA
PCIR = 5 V ±70
PCIR = 3.3 V ±10
I
I
Input current μA
PCIR = 5 V ±70
(1) This table applies to CLK, CLKOUT6:0, AD31:0, C/BE[3:0], DEVSEL, FRAME, GNT5:0, INTD:A, IRDY, PAR, PERR, REQ5:0, PRST,
SERR, STOP, TRDY, SERIRQ, M66EN, and LOCK terminals.
(2) Applies to external inputs and bidirectional buffers.
(3) Applies to external outputs and bidirectional buffers.
7.8 3.3-V I/O Electrical Characteristics
(1)
over recommended operating conditions
PARAMETER OPERATION TEST CONDITIONS MIN MAX UNIT
V
IH
High-level input voltage
(2)
V
DD_33
0.7 V
DD_33
V
DD_33
V
V
IL
VIL Low-level input voltage
(2)
V
DD_33
0 0.3 V
DD_33
V
V
I
Input voltage 0 V
DD_33
V
V
O
Output voltage
(3)
0 V
DD_33
V
t
t
Input transition time (t
rise
and t
fall
) 0 25 ns
V
hys
Input hysteresis
(4)
0.13 V
DD_33
V
V
OH
High-level output voltage V
DD_33
I
OH
= –4 mA 0.8 V
DD_33
V
V
OL
Low-level output voltage V
DD_33
I
OL
= 4 mA 0.22 V
DD_33
V
I
OZ
High-impedance, output current
(3)
V
DD_33
V
I
= 0 to V
DD_33
±20 μA
I
OZP
High-impedance, output current with internal V
DD_33
V
I
= 0 to V
DD_33
±100 μA
pullup or pulldown resistor
(1)
I
I
Input current
(5)
V
DD_33
V
I
= 0 to V
DD_33
±1 μA
(1) Applies to GRST (pullup), EXT_ARB_EN (pulldown), CLKRUN_EN (pulldown), and most GPIO (pullup).
(2) Applies to external inputs and bidirectional buffers.
(3) Applies to external outputs and bidirectional buffers.
(4) Applies to PERST, GRST, and PME.
(5) Applies to external input buffers.
Copyright © 2009–2012, Texas Instruments Incorporated Electrical Characteristics 119
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