OX16PCI954_05 Datasheet, PDF (61/73 Pages) Oxford Semiconductor – Integrated Quad UART and PCI interface

OXFORD SEMICONDUCTOR LTD.
OX16PCI954
12.2 PCI I/O Buffers
Symbol Parameter
Condition
Min
Max
Unit
DC Specifications
VCC Supply voltage
4.75
5.25
V
VIL
Input low voltage
-0.5
0.8
V
VIH
Input high voltage
2.0
VCC + 0.5
V
IIL
Input low leakage current VIN = 0.5V
-70
μA
IIH
Input high leakage current VIN = 2.7V
70
μA
VOL Output low voltage
IOUT = -2 mA
0.55
V
VOH Output low voltage
IOUT = 3 mA, 6mA
2.4
V
CIN Input pin capacitance
10
pF
CCLK CLK pin capacitance
5
12
pF
CIDSEL IDSEL pin capacitance
8
pF
LPIN Pin inductance
10
nH
AC Specifications
Switching current
0 < VOUT ≤ 1.4
-44
IOH(AC) high
1.4 < VOUT ≤ 2.4
-44 (VOUT - 1.4)/0.024
mA
3.1 < VOUT ≤ VCC
Eq. A
(Test point)
VOUT = 3.1
-142
Switching current
VOUT ≥ 2.2
95
IOL(AC)
low
2.2 > VOUT > 0.55
VOUT / 0.023
mA
0.71 > VOUT > 0
Eq. B
(Test point)
VOUT = 0.71
206
ICL
Low clamp current
-5 < VIN < -1
-25 + (VIN +1)/
mA
0.015
IHL
High clamp current
VCC+4 < VIN <
25+ (VIN -VCC -1)/
mA
VCC+1
0.015
SlewR Output rise slew rate
0.4V to 2.4V
1
5
V/nS
SlewF Output fall slew rate
2.4V to 0.4V
1
5
V/nS
Table 41: 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
DS-0029 Jul 05
External—Free Release
Page 61