Datasheet
SN54AHCT86, SN74AHCT86
QUADRUPLE 2-INPUT EXCLUSIVE-OR GATES
SCLS250M − OCTOBER 1995 − REVISED JULY 2003
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
recommended operating conditions (see Note 4)
SN54AHCT86 SN74AHCT86
UNIT
MIN MAX MIN MAX
UNIT
V
CC
Supply voltage 4.5 5.5 4.5 5.5 V
V
IH
High-level input voltage 2 2 V
V
IL
Low-level input voltage 0.8 0.8 V
V
I
Input voltage 0 5.5 0 5.5 V
V
O
Output voltage 0 V
CC
0 V
CC
V
I
OH
High-level output current −8 −8 mA
I
OL
Low-level output current 8 8 mA
Δt/Δv Input transition rise or fall rate 20 20 ns/V
T
A
Operating free-air temperature −55 125 −40 85 °C
NOTE 4: All unused inputs of the device must be held at V
CC
or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
V
T
A
= 25°C SN54AHCT86 SN74AHCT86
UNIT
PARAMETER TEST CONDITIONS V
CC
MIN TYP MAX MIN MAX MIN MAX
UNIT
V
I
OH
= −50 mA
45V
4.4 4.5 4.4 4.4
V
V
OH
I
OH
= −8 mA
4.5 V
3.94 3.8 3.8
V
V
I
OL
= 50 mA
45V
0.1 0.1 0.1
V
V
OL
I
OL
= 8 mA
4.5 V
0.36 0.44 0.44
V
I
I
V
I
= 5.5 V or GND 0 V to 5.5 V ±0.1 ±1* ±1 mA
I
CC
V
I
= V
CC
or GND, I
O
= 0 5.5 V 2 20 20 mA
ΔI
CC
†
One input at 3.4 V,
Other inputs at V
CC
or GND
5.5 V 1.35 1.5 1.5 mA
C
i
V
I
= V
CC
or GND 5 V 4 10 10 pF
* On products compliant to MIL-PRF-38535, this parameter is not production tested at V
CC
= 0 V.
†
This is the increase in supply current for each input at one of the specified TTL voltage levels, rather than 0 V or V
CC
.
switching characteristics over recommended operating free-air temperature range,
V
CC
= 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM TO LOAD
T
A
= 25°C SN54AHCT86 SN74AHCT86
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN TYP MAX MIN MAX MIN MAX
UNIT
t
PLH
AorB
Y
C 15 pF
5** 6.9** 1** 8** 1 8
ns
t
PHL
A or B Y C
L
= 15 pF
5** 6.9** 1** 8** 1 8
ns
t
PLH
AorB
Y
C =50pF
5.5 8.8 1 10 1 10
ns
t
PHL
A or B Y C
L
= 50 pF
5.5 8.8 1 10 1 10
ns
** On products compliant to MIL-PRF-38535, this parameter is not production tested.