OX9160 Datasheet, PDF (29/38 Pages) Oxford Semiconductor – PCI Peripheral Bridge with EPP Parallel Port & 8/32 bit local bus

OXFORD SEMICONDUCTOR LTD.
OX9160
9.2 PCI I/O Buffers
Symbol Parameter
Condition
Min
Max
Unit
DC Specifications
VCC
Supply voltage
VIL
Input low voltage
VIH
Input high voltage
4.75
5.25
V
-0.5
0.8
V
2.0
VCC + 0.5
V
IIL
Input low leakage current VIN = 0.5V
IIH
Input high leakage current VIN = 2.7V
VOL
Output low voltage
IOUT = -2 mA
-70
µA
70
µA
0.55
V
VOH
Output low voltage
IOUT = 3 mA, 6mA
2.4
CIN
Input pin capacitance
CCLK CLK pin capacitance
5
V
10
pF
12
pF
CIDSEL IDSEL pin capacitance
LPIN
Pin inductance
AC Specifications
8
pF
10
nH
Switching current
0 < VOUT 1.4
-44
IOH(AC)
IOL(AC)
high
(Test point)
Switching current
low
1.4 < VOUT 2.4
-44 (VOUT - 1.4)/0.024
mA
3.1 < VOUT VCC
Eq. A
VOUT = 3.1
-142
VOUT 2.2
95
2.2 > VOUT > 0.55
VOUT / 0.023
mA
(Test point)
ICL
Low clamp current
0.71 > VOUT > 0
VOUT = 0.71
-5 < VIN < -1
-25 + (VIN +1)/
0.015
Eq. B
206
mA
IHL
SlewR
High clamp current
Output rise slew rate
VCC+4 < VIN <
VCC+1
0.4V to 2.4V
25+ (VIN -VCC -1)/
0.015
1
mA
5
V/nS
SlewF Output fall slew rate
2.4V to 0.4V
1
5
V/nS
Table 20: 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 1.22
Page 29