M74HCT125 查看數據表（PDF） - STMicroelectronics
零件编号
产品描述 (功能)
生产厂家
M74HCT125 Datasheet PDF : 10 Pages
| |||
M54/M74HCT125/126
DC SPECIFICATIONS
Symbol
Parameter
VIH High Level Input
Voltage
VIL Low Level Input
Voltage
VOH High Level
Output Voltage
VOL Low Level Output
Voltage
II
Input Leakage
Current
ICC Quiescent Supply
Current
IOZ 3 State Output
Off State Current
∆ICC Additional worst
case supply
current
Test Conditions
VCC
(V)
TA = 25 oC
54HC and 74HC
Min. Typ. Max.
Value
-40 to 85 oC
74HC
Min. Max.
-55 to 125 oC
54HC
Min. Max.
4.5
2.0
2.0
2.0
to
5.5
4.5
0.8
0.8
0.8
to
5.5
VI = IO=-20 µA 4.4
4.5
VIH
or IO=-6.0 mA 4.18
VIL
4.5
4.31
4.4
4.13
4.4
4.10
VI = IO= 20 µA
0.0 0.1
0.1
0.1
4.5
VIH
or IO= 6.0 mA
0.17 0.26
0.33
0.4
VIL
5.5 VI = VCC or GND
±0.1
±1
±1
5.5 VI = VCC or GND
4
40
80
6.0
VI = VIH or VIL
VO = VCC or GND
5.5 Per Input pin
VI = 0.5V or
VI = 2.4V
Other Inputs at
VCC or GND
IO= 0
±0.5
±5
±10
2.0
2.9
3.0
Unit
V
V
V
V
µA
µA
µA
mA
AC ELECTRICAL CHARACTERISTICS (Input tr = tf = 6 ns)
Symbol
Parameter
Test Conditions
VCC CL
(V) (pF)
TA = 25 oC
54HC and 74HC
Value
-40 to 85 oC -55 to 125 oC Unit
74HC
54HC
Min. Typ. Max. Min. Max. Min. Max.
tTLH Output Transition 4.5 50
tTHL Time
7
12
15
18
ns
tPLH Propagation
tPHL Delay Time
4.5 50
4.5 150
13 21
26
32
ns
17 27
34
41
ns
tPZL 3 State Output
4.5 50 RL = 1 KΩ
15 24
30
36
ns
tPZH Enable Time
4.5 150 RL = 1 KΩ
19 30
38
45
ns
tPLZ 3 State Output
4.5 50 RL = 1 KΩ
17 24
30
36
ns
tPHZ Disable Time
CIN Input Capacitance
5
10
10
10 pF
CPD (*) Power Dissipation
56
Capacitance
pF
(*) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without load.
(Refer to Test Circuit). Average operting current can be obtained by the following equation. ICC(opr) = CPD •VCC •fIN + ICC
4/10
Share Link: 