MM74HCT240 Fairchild, MM74HCT240 Datasheet - Page 4

• Manufacturer Part Number: MM74HCT240
• Description: Inverting Octal 3-STATE Buffer Octal 3-STATE Buffer
• Manufacturer: Fairchild

www.fairchildsemi.com
t
t
t
t
t
t
t
C
C
C
PHL
PZL
PLZ
PHL
PZH
PHZ
THL
Symbol
AC Electrical Characteristics
MM74HCT240, MM74HCT244 V
AC Electrical Characteristics
MM74HCT240, MM74HCT244 V
Note 5: C
I
IN
OUT
PD
S
, t
, t
, t
, t
, t
, t
, t
Symbol
C
PZH
PHZ
TLH
PLH
PLH
PZL
PLZ
PD
V
CC
PD
Maximum Output
Propagation Delay
Maximum Output
Enable Time
Maximum Output
Disable Time
Maximum Output
Rise and Fall Time
Maximum Input
Capacitance
Maximum Output
Capacitance
Power Dissipation
Capacitance (Note 5)
f
determines the no load dynamic power consumption, P
I
CC
Maximum Output
Propagation Delay
Maximum Output
Enable Time
Maximum Output
Disable Time
.
Parameter
Parameter
CC
CC
5.0V, t
5.0V
C
C
R
R
C
C
(per buffer)
G
G
r
L
L
L
L
L
L
10%, t
V
GND, G
t
50 pF
150 pF
1 k
1 k
50 pF
50 pF
f
CC
, G
6 ns, T
r
Conditions
t
f
GND
V
A
6 ns (unless otherwise specified)
C
C
R
C
R
CC
C
C
L
L
L
L
L
L
L
25 C (unless otherwise specified)
D
45 pF
45 pF
1 k
5 pF
1 k
50 pF
150 pF
C
PD
Conditions
V
4
CC
2 f
Typ
14
20
21
26
16
10
15
90
6
5
I
T
CC
A
V
CC
25 C
, and the no load dynamic current consumption,
20
28
30
42
25
12
15
20
T
A
Guaranteed Limits
Typ
14
20
16
40 to 85 C T
25
35
38
53
32
15
15
20
Guaranteed
Limits
A
18
30
25
55 to 125 C
30
42
45
63
38
18
15
20
Units
ns
ns
ns
Units
pF
pF
pF
pF
ns
ns
ns
ns
ns
ns