參數(shù)資料
型號： 74HCT245A
廠商： ON SEMICONDUCTOR
英文描述： Octal 3−State Noninverting Bus Transceiver with LSTTL Compatible Inputs
文件頁數(shù)： 3/9頁
文件大?。?/td> 127K
代理商： 74HCT245A
MC74HCT245A
http://onsemi.com
3
DC ELECTRICAL CHARACTERISTICS
(Voltages Referenced to GND)
(DL129/D).
Symbol
Parameter
Test Conditions
V
4.5
2.0
Unit
25 C
≥
55 C
85 C
25 C to 125 C
125 C
V
IH
Minimum HighLevel Input
V
out
= 0.1 V or V
CC
– 0.1 V
5.5
2.0
2.0
V
Voltage
|I
out
|
20 A
V
= V
or V
out
0.8
0.8
0.8
V
OH
Minimum HighLevel Output
5.5
4.4
4.4
4.4
V
in
IH
IL
Voltage
|I
out
|
20 A
0.1
0.1
0.1
V
out
in
in
CC
CC
(per Package)
in
CC
I
= 0 A
Leakage Current
V
in
= V
IL
or V
IH
A
Current
V
in
= V
CC
or GND, Other Inputs
out
CC
L
r
f
NOTE:For propagation delays with loads other than 50 pF, and information on typical parametric values, see Chapter 2 of the ON
Semiconductor HighSpeed CMOS Data Book (DL129/D).
t
PHL
(Figures 2 and 4)
ns
t
PLZ
,
Maximum Propagation Delay, Direction or Output Enable to A or B
30
36
42
ns
t
PZH
t
,
THL
(Figures 3 and 5)
ns
in
out
C
PD
Power Dissipation Capacitance (Per Enabled Output)*
* Used to determine the noload dynamic power consumption: P
D
= C
PD
V
CC2
f + I
CC
V
CC
. For load considerations, see Chapter 2 of the
ON Semiconductor HighSpeed CMOS Data Book (DL129/D).
Typical @ 25
°
C, V
CC
= 5.0 V
97
pF
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