74HC244; 74HCT244
Philips Semiconductors
Octal buffer/line driver; 3-state
Table 7:
Static characteristics 74HC244 …continued
At recommended operating conditions; voltages are referenced to GND (ground = 0V).
Symbol
Tamb = −40 °C to +125 °C
VIH HIGH-state input voltage
Parameter
Conditions
Min
Typ
Max
Unit
VCC = 2.0 V
1.5
-
-
-
-
-
-
-
V
V
V
V
V
V
VCC = 4.5 V
3.15
-
VCC = 6.0 V
4.2
-
VIL
LOW-state input voltage
HIGH-state output voltage
VCC = 2.0 V
-
-
-
0.5
1.35
1.8
VCC = 4.5 V
VCC = 6.0 V
VOH
VI = VIH or VIL
IO = −20 µA; VCC = 2.0 V
IO = −20 µA; VCC = 4.5 V
IO = −20 µA; VCC = 6.0 V
IO = −6.0 mA; VCC = 4.5 V
IO = −7.8 mA; VCC = 6 V
VI = VIH or VIL
1.9
4.4
5.9
3.7
5.2
-
-
-
-
-
-
-
-
-
-
V
V
V
V
V
VOL
LOW-state output voltage
IO = 20 µA; VCC = 2.0 V
IO = 20 µA; VCC = 4.5 V
IO = 20 µA; VCC = 6.0 V
IO = 6.0 mA; VCC = 4.5 V
IO = 7.8 mA; VCC = 6 V
VI = VCC or GND; VCC = 6 V
VI = VIH or VIL; VO = VCC or GND
VI = VCC or GND; IO = 0 A;
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.1
0.1
0.1
0.4
0.4
±1.0
V
V
V
V
V
ILI
input leakage current
µA
IOZ
ICC
OFF-state output current
quiescent supply current
±10.0 µA
160
µA
VCC = 6.0 V
Table 8:
Static characteristics 74HCT244
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Tamb = 25 °C
VIH
VIL
HIGH-state input voltage
VCC = 4.5 V to 5.5 V
VCC = 4.5 V to 5.5 V
VI = VIH or VIL; VCC = 4.5 V
IO = −20 µA
2.0
-
1.6
1.2
-
V
V
LOW-state input voltage
HIGH-state output voltage
0.8
VOH
4.4
4.5
-
-
V
V
IO = −6.0 mA
3.98
4.32
VOL
LOW-state output voltage
VI = VIH or VIL; VCC = 4.5 V
IO = 20 µA
-
-
-
-
0
0.1
V
IO = 6.0 mA
0.16
0.26
±0.1
±0.5
V
ILI
input leakage current
VI = VCC or GND; VCC = 5.5 V
-
-
µA
µA
IOZ
OFF-state output current
per input pin; VI = VIH or VIL;
VO = VCC or GND; other pins at GND
or VCC; IO = 0 A; VCC = 5.5 V
ICC
quiescent supply current
VI = VCC or GND; IO = 0 A;
-
-
8.0
µA
VCC = 5.5 V
74HC_HCT244_3
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 03 — 22 December 2005
8 of 22
NXP [ NXP ]
