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SN74F157ADR 数据手册 - TI（德州仪器）
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TI（德州仪器）
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逻辑控制器
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SOIC-16
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SN74F157ADR 编带
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SN74F157ADR数据手册
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SDFS053A − MARCH 1987 − REVISED OCTOBER 1993
2−3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443
• HOUSTON, TEXAS 77251−1443
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54F157A SN74F157A
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 15 23 15.5 23 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)
′F157A SN54F157A SN74F157A
MIN TYP MAX MIN MAX MIN MAX
t
PLH
A/B
Y
3.2 6.6 10 3.2 12 3.2 11
ns
t
PHL
A/B
Y
2.2 4.6 7 2.2 9 2.2 8
ns
t
PLH
G
Y
4.2 6.6 9.5 4.2 13 4.2 11
ns
t
PHL
G
Y
1.7 4.1 6.5 1.7 7.5 1.7 7
ns
t
PLH
A or B
Y
1.7 4.1 6 1.7 7.5 1.7 6.5
ns
t
PHL
A or B
Y
1.7 3.6 5.5 1 7.5 1.2 7
ns
§
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
NOTE 2: Load circuits and voltage waveforms are shown in Section 1.
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