參數(shù)資料
型號(hào): OX12PCI840
廠商: Electronic Theatre Controls, Inc.
英文描述: Integrated Parallel Port and PCI interface
中文描述: 集成的并行端口和PCI接口
文件頁數(shù): 27/32頁
文件大?。?/td> 541K
代理商: OX12PCI840
8.2
Data Sheet Revision 1.2
Page 27
OX12PCI840
OXFORD SEMICONDUCTOR LTD.
PCI I/O Buffers
Symbol
DC Specifications
V
CC
V
IL
V
IH
I
IL
I
IH
V
OL
V
OH
C
IN
C
CLK
C
IDSEL
L
PIN
AC Specifications
I
OH(AC)
I
OL(AC)
I
CL
Parameter
Condition
Min
Max
Unit
Supply voltage
Input low voltage
Input high voltage
Input low leakage current
Input high leakage current
Output low voltage
Output low voltage
Input pin capacitance
CLK pin capacitance
IDSEL pin capacitance
Pin inductance
V
IN
= 0.5V
V
IN
= 2.7V
I
OUT
= -2 mA
I
OUT
= 3 mA, 6mA
4.75
-0.5
2.0
2.4
5
5.25
0.8
V
CC
+ 0.5
-70
70
0.55
10
12
8
10
V
V
V
μ
A
μ
A
V
V
pF
pF
pF
nH
Switching current
high
(Test point)
Switching current
low
(Test point)
Low clamp current
0 < V
OUT
1.4 < V
OUT
3.1 < V
OUT
V
OUT
= 3.1
V
OUT
2.2 > V
OUT
> 0.55
0.71 > V
OUT
> 0
V
OUT
= 0.71
-5 < V
IN
< -1
1.4
2.4
V
CC
-44
-44 (V
OUT
- 1.4)/0.024
95
V
OUT
/ 0.023
-25 + (V
IN
+1)/
0.015
25+ (V
IN
-V
CC
-1)/
0.015
1
1
mA
mA
mA
Eq. A
-142
Eq. B
206
2.2
I
HL
High clamp current
V
CC
+4 < V
IN
<
V
CC
+1
0.4V to 2.4V
2.4V to 0.4V
mA
Slew
R
Slew
F
Output rise slew rate
Output fall slew rate
5
5
V/nS
V/nS
Table 16: Characteristics of PCI I/O buffers
Eq. A :
Eq. B :
I
OH
= 11.9 * (V
OUT
- 5.25) * (V
OUT
+ 2.45)
I
OL
= 78.5 * V
OUT
* (4.4 - V
OUT
)
for 3.1 < V
OUT
for 0.71 > V
OUT
> 0
V
CC
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