OX9162
OXFORD SEMICONDUCTOR LTD.
9.2 PCI I/O Buffers
Symbol
Parameter
Condition
Min
Max
Unit
DC Specifications
VCC
VIL
VIH
IIL
IIH
VOL
VOH
CIN
CCLK
CIDSEL
LPIN
Supply voltage
Input low voltage
Input high voltage
Input low leakage current
4.75
-0.5
2.0
5.25
0.8
VCC + 0.5
-70
70
0.55
V
V
V
mA
mA
V
VIN = 0.5V
Input high leakage current VIN = 2.7V
Output low voltage
Output low voltage
Input pin capacitance
CLK pin capacitance
IDSEL pin capacitance
Pin inductance
IOUT = -2 mA
IOUT = 3 mA, 6mA
2.4
5
V
10
12
8
pF
pF
pF
nH
10
AC Specifications
Switching current
high
-44
0 < VOUT 1.4
IOH(AC)
-44 (VOUT - 1.4)/0.024
mA
mA
1.4 < VOUT 2.4
Eq. A
-142
3.1 < VOUT VCC
VOUT = 3.1
(Test point)
Switching current
95
VOUT 2.2
IOL(AC)
low
2.2 > VOUT > 0.55
0.71 > VOUT > 0
VOUT = 0.71
VOUT / 0.023
Eq. B
206
(Test point)
ICL
IHL
Low clamp current
-5 < VIN < -1
-25 + (VIN +1)/
0.015
25+ (VIN -VCC -1)/
mA
mA
High clamp current
VCC+4
VCC+1
<
VIN
<
0.015
SlewR
SlewF
Output rise slew rate
Output fall slew rate
0.4V to 2.4V
2.4V to 0.4V
1
1
5
5
V/nS
V/nS
Table 17: Characteristics of PCI I/O buffers
Eq. A :
Eq. B :
IOH = 11.9 * (VOUT - 5.25) * (VOUT + 2.45)
IOL = 78.5 * VOUT * (4.4 - VOUT
for 3.1 < VOUT VCC
for 0.71 > VOUT > 0
)
Data Sheet Revision 1.1 PRELIMINARY
Page 31
OXFORD [ OXFORD SEMICONDUCTOR ]
