74HC244; 74HCT244
Philips Semiconductors
Octal buffer/line driver; 3-state
Table 8:
Static characteristics 74HCT244 …continued
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
∆ICC
additional quiescent supply
current
per input pin; VI = VCC − 2.1 V; other
inputs at VCC or GND; IO = 0 A;
70
252
µA
VCC = 4.5 V to 5.5 V
Ci
input capacitance
-
3.5
-
pF
Tamb = −40 °C to +85 °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
-
-
-
-
V
V
LOW-state input voltage
HIGH-state output voltage
0.8
VOH
4.4
-
-
-
-
V
V
IO = −6.0 mA
3.84
VOL
LOW-state output voltage
VI = VIH or VIL; VCC = 4.5 V
IO = 20 µA
-
-
-
-
-
-
0.1
V
IO = 6.0 mA
0.33
±1.0
±5.0
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;
-
-
-
-
80
µA
µA
VCC = 5.5 V
∆ICC
additional quiescent supply
current
per input pin; VI = VCC − 2.1 V; other
inputs at VCC or GND; IO = 0 A;
315
VCC = 4.5 V to 5.5 V
Tamb = −40 °C to +125 °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
-
-
-
-
V
V
LOW-state input voltage
HIGH-state output voltage
0.8
VOH
4.4
3.7
-
-
-
-
V
V
IO = −6.0 mA
VOL
LOW-state output voltage
VI = VIH or VIL; VCC = 4.5 V
IO = 20 µA
-
-
-
-
-
-
-
-
0.1
V
IO = 6.0 mA
0.4
V
ILI
input leakage current
VI = VCC or GND; VCC = 5.5 V
±1.0
µA
IOZ
OFF-state output current
per input pin; VI = VIH or VIL;
±10.0 µA
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;
-
-
-
-
160
343
µA
µA
VCC = 5.5 V
∆ICC
additional quiescent supply
current
per input pin; VI = VCC − 2.1 V; other
inputs at VCC or GND; IO = 0 A;
VCC = 4.5 V to 5.5 V
74HC_HCT244_3
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 03 — 22 December 2005
9 of 22
NXP [ NXP ]
