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參數(shù)資料
| 型號： | TC7MH245FK |
| 廠商： | Toshiba Corporation |
| 元件分類： | 通用總線功能 |
| 英文描述： | Octal Bus Transceiver |
| 中文描述： | 八路總線收發(fā)器 |
| 文件頁數(shù)： | 4/6頁 |
| 文件大?。?/td> | 126K |
| 代理商： | TC7MH245FK |
TC7MH245FK
2001-10-23
4
AC Characteristics
(Input: t
r
=
t
f
=
3 ns)
Ta
=
25°C
Ta
=
40~85°C
Characteristics
Symbol
Test Condition
V
CC
(V) C
L
(pF)
Min
Typ.
Max
Min
Max
Unit
15
5.8
8.4
1.0
10.0
3.3
±
0.3
50
8.3
11.9
1.0
13.5
15
4.0
5.5
1.0
6.5
Propagation delay time
t
pLH
t
pHL
5.0
±
0.5
50
5.5
7.5
1.0
8.5
ns
15
8.5
13.2
1.0
15.5
3.3
±
0.3
50
11.0
16.7
1.0
19.0
15
5.8
8.5
1.0
10.0
3-state output enable time
t
pZL
t
pZH
R
L
=
1 k
5.0
±
0.5
50
7.3
10.6
1.0
12.0
ns
3.3
±
0.3
50
11.5
15.8
1.0
18.0
3-state output disable time
t
pLZ
t
pHZ
R
L
=
1 k
5.0
±
0.5
50
7.0
9.7
1.0
11.0
ns
3.3
±
0.3
50
1.5
1.5
Output to output skew
t
osLH
t
osHL
(Note1)
5.0
±
0.5
50
1.0
1.0
ns
Input capacitance
C
IN
DIR,
G
4
10
10
pF
Bus input capacitance
C
I/O
A
n
, B
n
8
pF
Power dissipation
capacitance
C
PD
(Note2)
21
pF
Note1: This parameter is guaranteed by design.
t
osLH
=
|t
pLHm
t
pLHn
|, t
osHL
=
|t
pHLm
t
pHLn
|
Note2: C
PD
is defined as the value of the internal equivalent capacitance which is calculated from the operating
current consumption without load.
Average operating current can be obtained by the equation:
I
CC (opr)
=
C
PD
V
CC
f
IN
+
I
CC
/8 (per bit)
Noise Characteristics
(Input: t
r
=
t
f
=
3 ns)
Ta
=
25°C
Characteristics
Symbol
Test Condition
V
CC
(V)
Typ.
Limit
Unit
Quiet output maximum dynamic V
OL
V
OLP
C
L
=
50 pF
5.0
0.7
1.0
V
Quiet output minimum dynamic V
OL
V
OLV
C
L
=
50 pF
5.0
0.7
1.0
V
Minimum high level dynamic input voltage V
IH
V
IHD
C
L
=
50 pF
5.0
3.5
V
Maximum low level dynamic input voltage V
IL
V
ILD
C
L
=
50 pF
5.0
1.5
V
Input Equivalent Circuit
Bus Terminal Equivalent Circuit
Input
A
n
, B
n
I/O
A
n
, B
n
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