HEF4043B_Q100 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 1 — 15 July 2013 6 of 14
NXP Semiconductors HEF4043B-Q100
Quad R/S latch with 3-state outputs
11. Dynamic characteristics
[1] The typical values of the propagation delay and transition times are calculated from the extrapolation formulas shown (C
L
in pF).
[2] t
t
is the same as t
THL
and t
TLH
.
Table 7. Dynamic characteristics
V
SS
= 0 V; T
amb
= 25
C; For waveforms and test circuit see Section 12; unless otherwise specified.
Symbol Parameter Conditions V
DD
Extrapolation formula Min Typ Max Unit
t
PHL
HIGH to LOW
propagation delay
nR nQ;
see Figure 4
5 V
[1]
63 ns + (0.55 ns/pF)C
L
- 90 180 ns
10 V 24 ns + (0.23 ns/pF)C
L
-3570ns
15 V 17 ns + (0.16 ns/pF)C
L
-2550ns
t
PLH
LOW to HIGH
propagation delay
nS nQ;
see Figure 4
5 V
[1]
38 ns + (0.55 ns/pF)C
L
- 65 135 ns
10 V 14 ns + (0.23 ns/pF)C
L
-2550ns
15 V 7 ns + (0.16 ns/pF)C
L
-1535ns
t
t
transition time nQ output;
see Figure 4
5 V
[1]
[2]
10 ns + (1.00 ns/pF)C
L
- 60 120 ns
10 V 9 ns + (0.42 ns/pF)C
L
-3060ns
15 V 6 ns + (0.28 ns/pF)C
L
-2040ns
t
PHZ
HIGH to OFF-state
propagation delay
OE nQ;
see Figure 5
5 V - 45 90 ns
10 V - 20 35 ns
15 V - 10 25 ns
t
PLZ
LOW to OFF-state
propagation delay
OE nQ;
see Figure 5
5 V - 50 100 ns
10 V - 20 40 ns
15 V - 10 25 ns
t
PZH
OFF-state to HIGH
propagation delay
OE nQ;
see Figure 5
5 V - 25 50 ns
10 V - 15 30 ns
15 V - 10 25 ns
t
PZL
OFF-state to LOW
propagation delay
OE nQ;
see Figure 5
5 V - 40 80 ns
10 V - 20 45 ns
15 V - 15 35 ns
t
W
pulse width nS input HIGH;
minimum width;
see Figure 4
5 V 30 15 - ns
10 V 20 10 - ns
15 V 16 8 - ns
nR input HIGH;
minimum width;
see Figure 4
5 V 30 15 - ns
10 V 20 10 - ns
15 V 16 8 - ns
