NXP Semiconductors
74HC273; 74HCT273
Octal D-type flip-flop with reset; positive-edge trigger
Table 6.
Static characteristics
…continued
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter
C
I
input
capacitance
HIGH-level
input voltage
LOW-level
input voltage
HIGH-level
output voltage
V
CC
= 4.5 V to 5.5 V
V
CC
= 4.5 V to 5.5 V
V
I
= V
IH
or V
IL
; V
CC
= 4.5 V
I
O
=
20 A
I
O
=
4.0
mA
V
OL
LOW-level
output voltage
V
I
= V
IH
or V
IL
; V
CC
= 4.5 V
I
O
= 20
A;
V
CC
= 4.5 V
I
O
= 5.2 mA; V
CC
= 5.5 V
I
I
I
CC
I
CC
input leakage
current
supply current
additional
supply current
V
I
= V
CC
or GND;
V
CC
= 5.5 V
V
I
= V
CC
or GND; I
O
= 0 A;
V
CC
= 5.5 V
per input pin;
V
I
= V
CC
2.1 V;
other inputs at V
CC
or GND;
V
CC
= 4.5 V to 5.5 V
MR input
CP input
Dn input
C
I
input
capacitance
-
-
-
-
100
175
15
3.5
360
630
54
-
-
-
-
-
450
787.5
67.5
-
-
-
-
-
490
857.5
73.5
-
A
A
A
pF
-
-
-
-
0
0.15
-
-
0.1
0.26
0.1
8.0
-
-
-
-
0.1
0.33
1
80
-
-
-
-
0.1
0.4
1
160
V
V
A
A
4.4
3.98
4.5
4.32
-
-
4.4
3.84
-
-
4.4
3.7
-
-
V
V
Conditions
Min
-
25
C
Typ
3.5
Max
-
40 C
to +85
C 40 C
to +125
C
Unit
Min
-
Max
-
Min
-
Max
-
pF
74HCT273
V
IH
V
IL
V
OH
2.0
-
1.6
1.2
-
0.8
2.0
-
-
0.8
2.0
-
-
0.8
V
V
10. Dynamic characteristics
Table 7.
Dynamic characteristics
GND (ground = 0 V); C
L
= 50 pF unless otherwise specified; for test circuit, see
Symbol Parameter
74HC273
t
pd
propagation
delay
CP to Qn; see
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 5.0 V; C
L
= 15 pF
V
CC
= 6.0 V
Conditions
Min
25
C
Typ
Max
40 C
to +85
C 40 C
to +125
C
Unit
Min
Max
Min
Max
-
-
-
-
41
15
15
13
150
30
-
26
-
-
-
-
185
37
-
31
-
-
-
-
225
45
-
38
ns
ns
ns
ns
74HC_HCT273
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© NXP B.V. 2013. All rights reserved.
Product data sheet
Rev. 4 — 10 June 2013
7 of 21
PHILIPS [ NXP SEMICONDUCTORS ]
