Datasheet

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SDFS023A − 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
SN54F151B SN74F151B
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 24 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
SN54F151B SN74F151B
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
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 13.5 21 13.5 21 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)
′F151B SN54F151B SN74F151B
MIN TYP MAX MIN MAX MIN MAX
t
PLH
A, B, or C
W
3.8 5.2 9 2 11.5 3.5 9.5
ns
t
PHL
A, B, or C W
2.9 4.3 7.5 2.6 8 2.7 7.5
ns
t
PLH
A, B, or C
Y
4.5 6 10.5 4 13.5 4 12
ns
t
PHL
A, B, or C Y
4 5.6 9 3.6 9.5 3.6 9
ns
t
PLH
G
W
3 4.1 6.1 3 7.5 3 7
ns
t
PHL
G
W
2.8 3.5 6 2.5 6.5 2.5 6
ns
t
PLH
G
Y
4.4 5.3 9.5 3.8 12 3.8 10.5
ns
t
PHL
G
Y
3.5 4.5 7 3 8 3 7.5
ns
t
PLH
Data
W
2.7 3.6 6.5 1.8 7.5 2.3 7
ns
t
PHL
Data
(any D)
W
1.2 1.9 4 1 6 1 5
ns
t
PLH
Data
Y
2.9 3.7 6.5 2.4 8.5 2.5 7.5
ns
t
PHL
Data
(any D)
Y
3.3 4.2 7 2.1 9 2.6 7.5
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.