Datasheet

SN54F27, SN74F27
TRIPLE 3-INPUT POSITIVE-NOR GATES
SDFS042A – MARCH 1987 – REVISED OCTOBER 1993
2–3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
switching characteristics (see Note 3)
PARAMETER
FROM
(
INPUT
)
TO
(
OUTPUT
)
V
CC
= 5 V,
C
L
= 50 pF,
R
L
= 500 Ω,
T
A
= 25°C
V
CC
= 4.5 V to 5.5 V,
C
L
= 50 pF,
R
L
= 500Ω,
T
A
= MIN to MAX
†
UNIT
(INPUT)
(OUTPUT)
′F27 SN54F27 SN74F27
MIN TYP MAX MIN MAX MIN MAX
t
PLH
ABorC
Y
1.2 3.1 5 1 6 1 5.5
ns
t
PHL
A
,
B
,
or
C
Y
1 2.1 4.5 1 5.5 1 4.5
ns
†
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
NOTE 3: Load circuits and waveforms are shown in Section 1.