NXP Semiconductors
74HC27; 74HCT27
Triple 3-input NOR gate
Table 6.
Static characteristics type 74HC27; 74HCT27
…continued
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter
74HCT27
V
IH
V
IL
V
OH
HIGH-level
input voltage
LOW-level
input voltage
V
CC
= 4.5 V to 5.5 V
V
CC
= 4.5 V to 5.5 V
2.0
-
1.6
1.2
-
0.8
2.0
-
-
0.8
2.0
-
-
0.8
V
V
Conditions
Min
25
°C
Typ
Max
−40 °C
to +85
°C −40 °C
to +125
°C
Unit
Min
Max
Min
Max
HIGH-level
V
I
= V
IH
or V
IL
; V
CC
= 4.5 V
output voltage
I
O
=
−20 µA
I
O
=
−4.0
mA
LOW-level
V
I
= V
IH
or V
IL
; V
CC
= 4.5 V
output voltage
I
O
= 20
µA
I
O
= 4.0 mA
input leakage
current
V
I
= V
CC
or GND;
V
CC
= 5.5 V
4.4
4.5
-
-
0.1
0.26
±0.1
2.0
4.4
3.84
-
-
-
-
-
-
0.1
0.33
±1.0
20
4.4
3.7
-
-
-
-
-
-
0.1
0.4
±1.0
40
V
V
V
V
µA
µA
3.98 4.32
-
-
-
-
0
0.16
-
-
V
OL
I
I
I
CC
∆I
CC
supply current V
I
= V
CC
or GND;
V
CC
= 5.5 V; I
O
= 0 A
additional
per input pin;
supply current V
I
= V
CC
−
2.1 V;
other inputs at V
CC
or GND;
V
CC
= 4.5 V to 5.5 V;
I
O
= 0 A
nA, nB or nC inputs
-
-
150
3.5
540
-
-
-
675
-
-
-
735
-
µA
pF
C
I
input
capacitance
10. Dynamic characteristics
Table 7.
Dynamic characteristics type 74HC27; 74HCT27
GND = 0 V; for load circuit see
Symbol Parameter
Conditions
Min
74HC27
t
pd
propagation delay nA, nB, nC to nY; 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
t
t
transition time
see
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 6.0 V
25
°C
Typ
Max
−40 °C
to +125
°C
Unit
Max
(85
°C)
Max
(125
°C)
-
-
-
-
-
-
-
28
10
8
8
19
7
6
90
18
-
15
75
15
13
115
23
-
20
95
19
16
135
27
-
23
110
22
19
ns
ns
ns
ns
ns
ns
ns
74HC_HCT27_3
© NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 03 — 7 January 2008
6 of 16
PHILIPS [ NXP SEMICONDUCTORS ]
