Philips Semiconductors
74HC244; 74HCT244
Octal buffer/line driver; 3-state
Table 7:
Static characteristics 74HC244
…continued
At recommended operating conditions; voltages are referenced to GND (ground = 0V).
Symbol
V
OL
Parameter
LOW-state output voltage
Conditions
V
I
= V
IH
or V
IL
I
O
= 20
µA;
V
CC
= 2.0 V
I
O
= 20
µA;
V
CC
= 4.5 V
I
O
= 20
µA;
V
CC
= 6.0 V
I
O
= 6.0 mA; V
CC
= 4.5 V
I
O
= 7.8 mA; V
CC
= 6 V
I
LI
I
OZ
I
CC
C
i
V
IH
input leakage current
OFF-state output current
quiescent supply current
input capacitance
HIGH-state input voltage
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 6.0 V
V
IL
LOW-state input voltage
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 6.0 V
V
OH
HIGH-state output voltage
V
I
= V
IH
or V
IL
I
O
=
−20 µA;
V
CC
= 2.0 V
I
O
=
−20 µA;
V
CC
= 4.5 V
I
O
=
−20 µA;
V
CC
= 6.0 V
I
O
=
−6.0
mA; V
CC
= 4.5 V
I
O
=
−7.8
mA; V
CC
= 6 V
V
OL
LOW-state output voltage
V
I
= V
IH
or V
IL
I
O
= 20
µA;
V
CC
= 2.0 V
I
O
= 20
µA;
V
CC
= 4.5 V
I
O
= 20
µA;
V
CC
= 6.0 V
I
O
= 6.0 mA; V
CC
= 4.5 V
I
O
= 7.8 mA; V
CC
= 6 V
I
LI
I
OZ
I
CC
input leakage current
OFF-state output current
quiescent supply current
V
I
= V
CC
or GND; V
CC
= 6 V
V
I
= V
IH
or V
IL
; V
O
= V
CC
or GND
V
I
= V
CC
or GND; I
O
= 0 A;
V
CC
= 6.0 V
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.1
0.1
0.1
0.33
0.33
±1.0
±5.0
80
V
V
V
V
V
µA
µA
µA
1.9
4.4
5.9
3.84
5.34
-
-
-
-
-
-
-
-
-
-
V
V
V
V
V
V
I
= V
CC
or GND; V
CC
= 6 V
V
I
= V
IH
or V
IL
; V
O
= V
CC
or GND
V
I
= V
CC
or GND; I
O
= 0 A;
V
CC
= 6.0 V
-
-
-
-
-
-
-
-
-
1.5
3.15
4.2
-
-
-
0
0
0
0.15
0.16
-
-
-
3.5
-
-
-
-
-
-
0.1
0.1
0.1
0.26
0.26
±0.1
±0.5
8.0
-
-
-
-
0.5
1.35
1.8
V
V
V
V
V
µA
µA
µA
pF
V
V
V
V
V
V
Min
Typ
Max
Unit
T
amb
=
−40 °C
to +85
°C
74HC_HCT244_3
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 03 — 22 December 2005
7 of 22
PHILIPS [ NXP SEMICONDUCTORS ]
