hef40374b NXP Semiconductors, hef40374b Datasheet - Page 6

• Manufacturer Part Number: hef40374b
• Description: Octal D-type Flip-flop With 3-state Outputs
• Manufacturer: NXP Semiconductors

Philips Semiconductors
AC CHARACTERISTICS
V
January 1995
Propagation delays
Output transition
3-state propagation delays
Output disable times
Output enable times
Set-up time
Hold time
SS
Octal D-type flip-flop with 3-state outputs
CP
CP
times
EO
EO
D
D
= 0 V; T
n
n
HIGH to LOW
LOW to HIGH
HIGH to LOW
LOW to HIGH
HIGH
LOW
HIGH
LOW
CP
CP
O
O
O
O
n
n
n
n
amb
= 25 C; C
L
= 50 pF; input transition times
V
10
15
10
15
10
15
10
15
10
15
10
15
10
15
10
15
10
15
10
15
V
DD
5
5
5
5
5
5
5
5
5
5
t
t
t
t
t
t
t
t
t
t
SYMBOL
PHL
PLH
THL
TLH
PHZ
PLZ
PZH
PZL
su
hold
MIN.
20
20
20
20
15
10
6
TYP.
20 ns
125
125
55
40
55
40
40
20
15
30
20
15
60
30
24
70
35
30
65
30
24
85
35
25
10
0
2
5
2
0
MAX.
250
110
250
110
120
140
130
170
80
80
80
40
30
60
40
30
60
48
70
60
60
48
70
50
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
122 ns
113 ns
TYPICAL EXTRAPOLATION
54 ns
36 ns
53 ns
39 ns
see Fig.6
FORMULA
HEF40374B
Product specification
(0,24 ns/pF) C
(0,01 ns/pF) C
(0,07 ns/pF) C
(0,06 ns/pF) C
(0,03 ns/pF) C
(0,02 ns/pF) C
MSI
L
L
L
L
L
L