Datasheet
SDFS069A − D2932, MARCH 1987 − REVISED OCTOBER 1993
2−4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443
• HOUSTON, TEXAS 77251−1443
recommended operating conditions
SN54F283 SN74F283
UNIT
MIN NOM MAX MIN NOM MAX
UNIT
V
CC
Supply voltage 4.5 5 5.5 4.5 5 5.5 V
V
IH
High-level input voltage 2 2 V
V
IL
Low-level input voltage 0.8 0.8 V
I
IK
Input clamp current −18 −18 mA
I
OH
High-level output current −1 −1 mA
I
OL
Low-level output current 20 20 mA
T
A
Operating free-air temperature −55 125 0 70 °C
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54F283 SN74F283
UNIT
PARAMETER
TEST CONDITIONS
MIN TYP
†
MAX MIN TYP
†
MAX
UNIT
V
IK
V
CC
= 4.5 V, I
I
= −18 mA −1.2 −1.2 V
V
OH
V
CC
= 4.5 V I
OH
= − 1 mA 2.5 3.4 2.5 3.4
V
V
OH
V
CC
= 4.75 V, I
OH
= − 1 mA 2.7
V
V
OL
V
CC
= 4.5 V I
OL
= 20 mA 0.3 0.5 0.3 0.5 V
I
I
V
CC
= 5.5 V, V
I
= 7 V 0.1 0.1 mA
I
IH
V
CC
= 5.5 V, V
I
= 2.7 V 20 20 µA
I
IL
Any A or B
V
CC
= 5.5 V,
V
I
= 0.5 V
− 1.2 − 1.2
mA
I
IL
C0
V
CC
= 5.5 V, V
I
= 0.5 V
− 0.6 − 0.6
mA
I
OS
‡
V
CC
= 5.5 V, V
O
= 0 −60 −150 −60 −150 mA
I
CC
V
CC
= 5.5 V, V
I
= 4.5 V 36 55 36 55 mA
†
All typical values are at V
CC
= 5 V, T
A
= 25°C.
‡
Not more than one output should be shorted at a time, and the duration of the short circuit should not exceed one second.
switching characteristics (see Note 2)
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)
′F283 SN54F283 SN74F283
MIN TYP MAX MIN MAX MIN MAX
t
PLH
C0
Σ
2.7 6.6 9.5 2.7 14 2.7 10.5
ns
t
PHL
C0 Σ
3.2 6.6 9.5 3.2 14 3.2 10.5
ns
t
PLH
A or B
Σ
3.2 6.6 9.5 3.2 14 3.2 10.5
ns
t
PHL
A or B Σ
2.7 6.6 9.5 2.7 14 2.7 10.5
ns
t
PLH
C0
C4
2.7 5.3 7.5 2.7 10.5 2.7 8.5
ns
t
PHL
C0 C4
2.2 5 7 2.2 10 2.2 8
ns
t
PLH
A or B
C4
2.7 5.3 7.5 2.7 10.5 2.7 8.5
ns
t
PHL
A or B
C4
2.2 4.9 7 2.2 10 2.2 8
ns
§
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
NOTE 2: Load circuits and waveforms are shown in Section 1.