Datasheet
SN54AHC05, SN74AHC05
HEX INVERTERS
WITH OPEN-DRAIN OUTPUTS
SCLS357H – MAY 1997 – REVISED JULY 2003
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
recommended operating conditions (see Note 3)
SN54AHC05 SN74AHC05
UNIT
MIN MAX MIN MAX
UNIT
V
CC
Supply voltage 2 5.5 2 5.5 V
V
CC
= 2 V 1.5 1.5
V
IH
High-level input voltage
V
CC
= 3 V
2.1 2.1
V
V
CC
= 5.5 V 3.85 3.85
V
CC
= 2 V 0.5 0.5
V
IL
Low-level input voltage
V
CC
= 3 V
0.9 0.9
V
V
CC
= 5.5 V 1.65 1.65
V
I
Input voltage 0 5.5 0 5.5 V
V
O
Output voltage 0 V
CC
0 V
CC
V
V
CC
= 2 V 50 50 A
I
OL
Low-level output current
V
CC
= 3.3 V ± 0.3 V
4 4
mA
V
CC
= 5 V ± 0.5 V 8 8
mA
∆t/∆v
In
p
ut transition rise or fall rate
V
CC
= 3.3 V ± 0.3 V 100 100
ns/V
∆t/∆v
Input
transition
rise
or
fall
rate
V
CC
= 5 V ± 0.5 V 20 20
ns/V
T
A
Operating free-air temperature –55 125 –40 85 °C
NOTE 3: 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
CC
T
A
= 25°C SN54AHC05 SN74AHC05
UNIT
PARAMETER
TEST
CONDITIONS
V
CC
MIN TYP MAX MIN MAX MIN MAX
UNIT
2 V 0.1 0.1 0.1
I
OL
= 50 A
3 V 0.1 0.1 0.1
V
OL
4.5 V 0.1 0.1 0.1
V
OL
I
OL
= 4 mA
3 V 0.36 0.5 0.44
I
OL
= 8 mA
4.5 V 0.36 0.5 0.44
I
I
V
I
= 5.5 V or GND 0 V to 5.5 V ±0.1 ±1* ±1 A
I
CC
V
I
= V
CC
or GND, I
O
= 0 5.5 V 2 20 20 A
C
i
V
I
= V
CC
or GND 5 V 2.5 10 10 pF
* On products compliant to MIL-PRF-38535, this parameter is not production tested at V
CC
= 0 V.
switching characteristics over recommended operating free-air temperature range,
V
CC
= 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM TO LOAD
T
A
= 25°C SN54AHC05 SN74AHC05
UNIT
PARAMETER
(INPUT) (OUTPUT) CAPACITANCE
MIN TYP MAX MIN MAX MIN MAX
UNIT
t
PLZ
A
Y
C
L
=15
p
F
2.9** 7.1** 1** 8.5** 1 8.5
ns
t
PZL
A
Y
C
L
=
15
pF
4** 7.1** 1** 8.5** 1 8.5
ns
t
PLZ
A
Y
C
L
=50
p
F
4.7 10.6 1 12 1 12
ns
t
PZL
A
Y
C
L
=
50
pF
5.8 10.6 1 12 1 12
ns
** On products compliant to MIL-PRF-38535, this parameter is not production tested.
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.