Philips Semiconductors
Product specification
Quad buffer/line driver; 3-state
74AHC125; 74AHCT125
74AHCT family
Over recommended operating conditions; voltages are referenced to GND (ground = 0 V).
TEST CONDITIONS
T
amb (°C)
SYMBOL
PARAMETER
25
−40 to +85 −40 to +125 UNIT
OTHER VCC (V)
MIN. TYP. MAX. MIN. MAX. MIN. MAX.
VIH
VIL
HIGH-level input
voltage
4.5 to 5.5 2.0
−
−
2.0
−
2.0
−
V
LOW-level input
voltage
4.5 to 5.5 −
−
0.8
−
−
0.8
−
−
0.8
−
V
VOH
HIGH-level output VI = VIH or VIL;
voltage; all outputs IO = −50 µA
4.5
4.5
4.5
4.5
5.5
5.5
4.4 4.5
4.4
3.8
−
4.4
3.70
−
V
HIGH-level output VI = VIH or VIL;
voltage
3.94
−
0
−
−
−
−
−
−
V
IO = −8.0 mA
VOL
LOW-level output VI = VIH or VIL;
voltage; all outputs IO = 50 µA
−
−
−
−
0.1
0.36
0.1
0.1
0.44
1.0
±2.5
0.1
0.55
2.0
V
LOW-level output VI = VIH or VIL;
voltage
−
−
V
IO = 8 mA
II
input leakage
current
VI = VIH or VIL
−
−
µA
IOZ
3-state output
OFF current
VI = VIH or VIL;
VO = VCC or GND
per input pin;
±0.25 −
−
±10.0 µA
other inputs at
V
CC or GND;
IO = 0
ICC
quiescent supply
current
VI = VCC or GND; 5.5
IO = 0
−
−
−
2.0
−
−
20
−
−
40
µA
∆ICC
additional
VI = VCC − 2.1 V 4.5 to 5.5 −
1.35
1.5
1.5
mA
quiescent supply
current per input
pin
other inputs at
V
CC or GND;
IO = 0
CI
input capacitance
−
−
3
10
−
10
−
10
pF
1999 Sep 27
7
NXP [ NXP ]
