Datasheet

74HC_HCT273 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 4 — 10 June 2013 8 of 21
NXP Semiconductors
74HC273; 74HCT273
Octal D-type flip-flop with reset; positive-edge trigger
t
PHL
HIGH to LOW
propagation
delay
MR to Qn; see Figure 8
V
CC
= 2.0 V - 44 150 - 185 - 225 ns
V
CC
= 4.5 V - 16 30 - 37 - 45 ns
V
CC
= 5.0 V; C
L
=15pF - 15 - - - - - ns
V
CC
= 6.0 V - 14 26 - 31 - 38 ns
t
t
transition time Qn output; see Figure 7
[2]
V
CC
= 2.0 V - 19 75 - 95 - 110 ns
V
CC
= 4.5 V - 7 15 - 19 - 22 ns
V
CC
= 6.0 V - 6 13 - 15 - 19 ns
t
W
pulse width CP input HIGH or LOW;
see Figure 7
V
CC
= 2.0 V 80 14 - 100 - 120 - ns
V
CC
= 4.5 V 16 5 - 20 - 24 - ns
V
CC
= 6.0 V 14 4 - 17 - 20 - ns
MR
input LOW;
see Figure 8
V
CC
= 2.0 V 60 17 - 75 - 90 - ns
V
CC
= 4.5 V 12 6 - 15 - 18 - ns
V
CC
= 6.0 V 10 5 - 13 - 15 - ns
t
rec
recovery time MR to CP; see Figure 8
V
CC
= 2.0 V 50 6 - 65 - 75 - ns
V
CC
= 4.5 V 10 2 - 13 - 15 - ns
V
CC
= 6.0 V 9 2- 11 - 13 - ns
t
su
set-up time Dn to CP; see Figure 9
V
CC
= 2.0 V 60 11 - 75 - 90 - ns
V
CC
= 4.5 V 12 4 - 15 - 18 - ns
V
CC
= 6.0 V 10 3 - 13 - 15 - ns
t
h
hold time Dn to CP; see Figure 9
V
CC
= 2.0 V 3 6- 3 - 3 - ns
V
CC
= 4.5 V 3 2- 3 - 3 - ns
V
CC
= 6.0 V 3 2- 3 - 3 - ns
f
max
maximum
frequency
CP input; see Figure 7
V
CC
= 2.0 V 6 20.6 - 4.8 - 4 - MHz
V
CC
= 4.5 V 30 103 - 24 - 20 - MHz
V
CC
= 5.0 V; C
L
=15pF - 66 - - - - - MHz
V
CC
= 6.0 V 35 122 - 28 - 24 - MHz
C
PD
power
dissipation
capacitance
per package;
V
I
=GNDtoV
CC
[3]
-20- - - - - pF
Table 7. Dynamic characteristics …continued
GND (ground = 0 V); C
L
= 50 pF unless otherwise specified; for test circuit, see Figure 10
Symbol Parameter Conditions 25 C 40 C to +85 C 40 C to +125 C Unit
Min Typ Max Min Max Min Max