Datasheet

SN54AHC02, SN74AHC02
QUADRUPLE 2-INPUT POSITIVE-NOR GATES
SCLS254K− DECEMBER 1995 − REVISED JULY 2003
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
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 SN54AHC02 SN74AHC02
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* 7.9* 1* 9.5* 1 9.5
ns
t
PHL
A or B Y C
L
= 15 pF
5.6* 7.9* 1* 9.5* 1 9.5
ns
t
PLH
AorB
Y
C =50pF
8.1 11.4 1 13 1 13
ns
t
PHL
A or B Y C
L
= 50 pF
8.1 11.4 1 13 1 13
ns
∗
On products compliant to MIL-PRF-38535, this parameter is not production tested.
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 SN54AHC02 SN74AHC02
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN TYP MAX MIN MAX MIN MAX
UNIT
t
PLH
AorB
Y
C 15 pF
3.6* 5.5* 1* 6.5* 1 6.5
ns
t
PHL
A or B Y C
L
= 15 pF
3.6* 5.5* 1* 6.5* 1 6.5
ns
t
PLH
AorB
Y
C =50pF
5.1 7.5 1 8.5 1 8.5
ns
t
PHL
A or B Y C
L
= 50 pF
5.1 7.5 1 8.5 1 8.5
ns
∗
On products compliant to MIL-PRF-38535, this parameter is not production tested.
noise characteristics, V
CC
= 5 V, C
L
= 50 pF, T
A
= 25°C (see Note 5)
PARAMETER
SN74AHC02
UNIT
PARAMETER
MIN MAX
UNIT
V
OL(P)
Quiet output, maximum dynamic V
OL
0.8 V
V
OL(V)
Quiet output, minimum dynamic V
OL
−0.8 V
V
OH(V)
Quiet output, minimum dynamic V
OH
4.9 V
V
IH(D)
High-level dynamic input voltage 3.5 V
V
IL(D)
Low-level dynamic input voltage 1.5 V
NOTE 5: Characteristics are for surface-mount packages only.
operating characteristics, V
CC
= 5 V, T
A
= 25°C
PARAMETER TEST CONDITIONS TYP UNIT
C
pd
Power dissipation capacitance No load, f = 1 MHz 15 pF