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74HC244_05 Datasheet, PDF (9/22 Pages) NXP Semiconductors – Octal buffer/line driver; 3-state
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Philips Semiconductors
74HC244; 74HCT244
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
∆ICC
additional quiescent supply
current
Ci
input capacitance
Tamb = −40 °C to +85 °C
VIH
HIGH-state input voltage
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
VCC = 4.5 V to 5.5 V
70
-
3.5
2.0 -
VIL
LOW-state input voltage
VCC = 4.5 V to 5.5 V
-
-
VOH
HIGH-state output voltage
VI = VIH or VIL; VCC = 4.5 V
IO = −20 µA
IO = −6.0 mA
4.4 -
3.84 -
VOL
LOW-state output voltage
VI = VIH or VIL; VCC = 4.5 V
IO = 20 µA
IO = 6.0 mA
-
-
-
-
ILI
input leakage current
VI = VCC or GND; VCC = 5.5 V
-
-
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;
VCC = 5.5 V
-
-
∆ICC
additional quiescent supply
per input pin; VI = VCC − 2.1 V; other
-
-
current
inputs at VCC or GND; IO = 0 A;
VCC = 4.5 V to 5.5 V
Tamb = −40 °C to +125 °C
VIH
HIGH-state input voltage
VCC = 4.5 V to 5.5 V
2.0 -
VIL
LOW-state input voltage
VCC = 4.5 V to 5.5 V
-
-
VOH
HIGH-state output voltage
VI = VIH or VIL; VCC = 4.5 V
IO = −20 µA
IO = −6.0 mA
4.4 -
3.7 -
VOL
LOW-state output voltage
VI = VIH or VIL; VCC = 4.5 V
IO = 20 µA
-
-
IO = 6.0 mA
-
-
ILI
input leakage current
VI = VCC or GND; VCC = 5.5 V
-
-
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;
VCC = 5.5 V
-
-
∆ICC
additional quiescent supply
per input pin; VI = VCC − 2.1 V; other
-
-
current
inputs at VCC or GND; IO = 0 A;
VCC = 4.5 V to 5.5 V
Max Unit
252 µA
-
pF
-
V
0.8 V
-
V
-
V
0.1 V
0.33 V
±1.0 µA
±5.0 µA
80
µA
315 µA
-
V
0.8 V
-
V
-
V
0.1 V
0.4 V
±1.0 µA
±10.0 µA
160 µA
343 µA
74HC_HCT244_3
Product data sheet
Rev. 03 — 22 December 2005
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
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