參數(shù)資料
型號(hào): HD74ACT245
廠商: Hitachi,Ltd.
英文描述: 3-Line To 8-Line Decoders/Demultiplexers 20-LCCC -55 to 125
中文描述: 八路雙向收發(fā)器具有三態(tài)輸入/輸出
文件頁(yè)數(shù): 4/9頁(yè)
文件大?。?/td> 59K
代理商: HD74ACT245
HD74AC245/HD74ACT245
4
AC Characteristics: HD74ACT245
Ta = +25
°
C
C
L
= 50 pF
Min
Ta = –40
°
C to +85
°
C
C
L
= 50 pF
Min
Item
Symbol
V
CC
(V)*
1
5.0
Typ
Max
Max
Unit
Propagation delay
Data to output
t
PLH
1.0
4.0
7.5
1.0
8.0
ns
Propagation delay
Data to output
t
PHL
5.0
1.0
4.0
8.0
1.0
9.0
ns
Output enable time
t
PZH
t
PZL
t
PHZ
t
PLZ
5.0
1.0
5.0
10.0
1.0
11.0
ns
Output enable time
5.0
1.0
5.5
10.0
1.0
12.0
ns
Output disable time
5.0
1.0
5.5
10.0
1.0
11.0
ns
Output disable time
Note:
1. Voltage Range 5.0 is 5.0 V
±
0.5 V
5.0
1.0
5.0
10.0
1.0
11.0
ns
Capacitance
Item
Symbol
Typ
Unit
Condition
Input capacitance
C
IN
C
I/O
C
PD
4.5
pF
V
CC
= 5.5 V
V
CC
= 5.5 V
V
CC
= 5.0 V
Input/output capacitance
15.0
pF
Power dissipation capacitance
45.0
pF
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