M74HC245 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
M74HC245 Datasheet PDF : 10 Pages
| |||
M74HC245
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6ns)
Test Condition
Value
Symbol
Parameter
tTLH tTHL Output Transition
Time
tPLH tPHL Propagation Delay
Time
tPZL tPZH High Impedance
Output Enable
Time
tPLZ tPHZ High Impedance
Output Disable
Time
VCC CL
(V) (pF)
2.0
4.5 50
6.0
2.0
4.5 50
6.0
2.0
4.5 150
6.0
2.0
4.5 50
6.0
2.0
4.5 150
6.0
2.0
4.5 50
6.0
RL = 1 KΩ
RL = 1 KΩ
RL = 1 KΩ
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
25 60
75
90
7 12
19
18 ns
6 10
13
15
33 90
115
135
12 18
23
27 ns
10 15
20
23
48 120
150
180
16 24
30
36 ns
14 20
26
31
48 150
190
225
16 30
38
45 ns
14 26
32
38
63 180
225
270
21 36
45
54 ns
18 31
38
46
37 150
190
225
17 30
38
45 ns
15 26
32
38
CAPACITIVE CHARACTERISTICS
Test Condition
Value
Symbol
Parameter
VCC
(V)
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
CIN Input Capacitance
DIR, G
5 10
10
10 pF
CI/OUT
Output
Capacitance
An, Bn
13
pF
CPD Power Dissipation
Capacitance (note
39
pF
1)
1) 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 operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC/8 (per circuit)
4/10
|
|
Share Link: 