Philips Semiconductors
Dual 2-to-4 line decoder/demultiplexer
Product specification
74AHC139;
74AHCT139
Family 74AHCT
Over recommended operating conditions; voltage are referenced to GND (ground = 0 V).
TEST CONDITIONS
Tamb (°C)
SYMBOL PARAMETER
OTHER
25
−40 to +85 −40 to +125 UNIT
VCC (V)
MIN. TYP. MAX. MIN. MAX. MIN. MAX.
VIH
HIGH-level input
voltage
4.5 to 5.5 2.0 − −
2.0 −
2.0 −
V
VIL
LOW-level input
voltage
4.5 to 5.5 − − 0.8 − 0.8 − 0.8 V
VOH
HIGH-level
VI = VIH or VIL; 4.5
output voltage; IO = −50 µA
all outputs
4.4 4.5 −
4.4 −
4.4 −
V
HIGH-level
VI = VIH or VIL; 4.5
output voltage IO = −8.0 mA
VOL
LOW-level
VI = VIH or VIL; 4.5
output voltage; IO = 50 µA
all outputs
3.94 −
−0
−
3.8 −
3.70 −
V
0.1 − 0.1 − 0.1 V
LOW-level
VI = VIH or VIL; 4.5
output voltage IO = 8.0 mA
− − 0.36 − 0.44 − 0.55 V
II
input leakage
VI = VIH or VIL
5.5
− − 0.1 − 1.0 − 2.0 µA
current
IOZ
ICC
∆ICC
CI
3-state output
OFF current
VI = VIH or VIL; 5.5
VO = VCC or GND
per input pin;
− − ±0.25 − ±2.5 − ±10.0 µA
other inputs at
VCC or GND;
IO = 0
quiescent supply VI = VCC or GND; 5.5
current
IO = 0
− − 4.0 − 40 − 80 µA
additional
VI = VCC − 2.1 V; 4.5 to 5.5 −
−
1.35 −
1.5 −
1.5 mA
quiescent supply other inputs at
current per input VCC or GND;
pin
IO = 0
input
−
− 3 10 − 10 − 10 pF
capacitance
1999 Sep 01
7