hef4043b NXP Semiconductors, hef4043b Datasheet - Page 4

• Manufacturer Part Number: hef4043b
• Description: Quadruple R/s Latch 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
Minimum S
Minimum R
SS
Quadruple R/S latch with 3-state outputs
pulse width; HIGH
= 0 V; T
R
S
times
EO
EO
pulse width; HIGH
n
n
HIGH to LOW
LOW to HIGH
HIGH to LOW
LOW to HIGH
HIGH
LOW
HIGH
LOW
O
O
O
O
n
amb
n
n
n
n
n
= 25 C; C
L
= 50 pF; input transition times
V
V
DD
10
15
10
15
10
15
10
15
10
15
10
15
10
15
10
15
10
15
10
15
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
WSH
WRH
30
20
16
30
20
16
MIN.
4
20 ns
TYP.
90
35
25
65
25
15
60
30
20
60
30
20
45
20
10
50
20
10
25
15
10
40
20
15
15
10
15
10
8
8
MAX.
180
135
120
120
100
70
50
50
35
60
40
60
40
90
35
25
40
25
50
30
25
80
45
35
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
TYPICAL EXTRAPOLATION
see also waveforms
Fig.5
63 ns
24 ns
17 ns
38 ns
14 ns
10 ns
10 ns
7 ns
9 ns
6 ns
9 ns
6 ns
FORMULA
Product specification
HEF4043B
(0,23 ns/pF) C
(0,16 ns/pF) C
(0,23 ns/pF) C
(0,16 ns/pF) C
(1,0 ns/pF) C
(0,42 ns/pF) C
(0,28 ns/pF) C
(0,42 ns/pF) C
(0,28 ns/pF) C
(0,55 ns/pF) C
(0,55 ns/pF) C
(1,0 ns/pF) C
MSI
L
L
L
L
L
L
L
L
L
L
L
L