74HC273; 74HCT273
Philips Semiconductors
Octal D-type flip-flop with reset; positive-edge trigger
Table 8:
Static characteristics 74HCT273 …continued
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
IOZ
OFF-state output current
VI = VIH or VIL; VCC = 5.5 V;
-
-
±10
µA
VO = VCC or GND per input pin;
other inputs at VCC or GND; IO = 0 A
ICC
quiescent supply current
VI = VCC or GND; IO = 0 A;
-
-
160
µA
V
CC = 5.5 V
VI = VCC − 2.1 V; other inputs at
CC or GND; VCC = 4.5 V to 5.5 V;
IO = 0 A
∆ICC
additional quiescent supply
current
V
pin MR
pin CP
pin Dn
-
-
-
-
-
-
490
µA
857.5 µA
73.5 µA
11. Dynamic characteristics
Table 9:
Dynamic characteristics 74HC273
Voltages are referenced to GND (ground = 0 V); tr = tf = 6 ns; CL = 50 pF unless otherwise specified; for test circuit see
Figure 10.
Symbol Parameter
Conditions
Min
Typ
Max
Unit
Tamb = 25 °C
tPHL
tPLH
,
propagation delay CP to Qn
see Figure 7
VCC = 2.0 V
-
-
-
-
41
15
15
13
150
30
-
ns
ns
ns
ns
VCC = 4.5 V
VCC = 5 V; CL = 15 pF
VCC = 6.0 V
26
tPHL
HIGH-to-LOW propagation delay see Figure 8
MR to Qn
VCC = 2.0 V
-
-
-
-
44
16
15
14
150
30
-
ns
ns
ns
ns
VCC = 4.5 V
VCC = 5 V; CL = 15 pF
VCC = 6.0 V
see Figure 7
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
26
tTHL
,
output transition time
tTLH
-
-
-
19
7
75
15
13
ns
ns
ns
6
tW
pulse width
clock HIGH or LOW
see Figure 7
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
see Figure 8
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
80
16
14
14
5
-
-
-
ns
ns
ns
4
master reset LOW
60
12
10
17
6
-
-
-
ns
ns
ns
5
74HC_HCT273_3
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Product data sheet
Rev. 03 — 24 January 2006
11 of 26
NXP [ NXP ]
