MM74HC240 Fairchild, MM74HC240 Datasheet - Page 4

• Manufacturer Part Number: MM74HC240
• Description: Inverting Octal 3-STATE Buffer
• Manufacturer: Fairchild

www.fairchildsemi.com
t
t
t
t
C
C
C
t
t
t
PHL
PZH
PHZ
TLH
PHL
PZH
PHZ
Symbol
AC Electrical Characteristics
V
AC Electrical Characteristics
V
Note 5: C
I
PD
IN
OUT
S
Symbol
CC
CC
, t
, t
, t
, t
, t
, t
, t
C
THL
PLH
PZL
PLZ
PLH
PZL
PLZ
PD
5V, T
2.0V to 6.0V, C
V
CC
Maximum Propagation
Delay
Maximum Output Enable
TIme
Maximum Output Disable
Time
Maximum Output
Rise and Fall Time
Power Dissipation
Capacitance (Note 5)
Maximum Input Capacitance
Maximum Output Capacitance
PD
f
determines the no load dynamic power consumption, P
A
Maximum Propagation Delay
Maximum Enable Delay
to Active Output
Maximum Disable Delay
from Active Output
I
CC
25 C, t
.
Parameter
L
r
Parameter
50 pF, t
t
f
6 ns
r
t
f
C
C
C
C
C
C
R
C
C
C
C
C
C
R
C
(per buffer)
G
G
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
6 ns (unless otherwise specified)
V
V
Conditions
50 pF
150 pF
50 pF
150 pF
50 pF
150 pF
1 k
50 pF
150 pF
50 pF
150 pF
50 pF
150 pF
1 k
50 pF
IH
IL
D
2.0V
2.0V
4.5V
4.5V
6.0V
6.0V
2.0V
2.0V
4.5V
4.5V
6.0V
6.0V
2.0V
4.5V
6.0V
2.0V
4.5V
6.0V
C
V
PD
CC
Conditions
C
C
R
R
C
V
L
L
4
L
L
L
CC
2
45 pF
45 pF
1 k
1 k
5 pF
f
Typ
100
55
80
12
22
28
75
15
20
13
17
75
15
13
12
50
10
11
I
5
CC
T
A
V
CC
25 C
, and the no load dynamic current consumption,
100
150
150
200
150
20
30
17
26
30
40
26
34
30
26
60
12
10
10
20
T
A
Guaranteed Limits
Typ
12
14
13
40 to 85 C T
126
190
189
252
189
25
38
21
32
38
50
32
43
38
32
75
15
13
10
20
Guaranteed Limit
A
18
28
25
55 to 125 C
149
224
224
298
224
30
45
25
38
45
60
38
51
45
38
90
18
15
10
20
Units
ns
ns
ns
Units
pF
pF
pF
pF
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns