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SN74LS373 データシートの表示(PDF) - Motorola => Freescale

部品番号
コンポーネント説明
メーカー
SN74LS373
Motorola
Motorola => Freescale Motorola
SN74LS373 Datasheet PDF : 7 Pages
1 2 3 4 5 6 7
SN54/74LS373 SN54/74LS374
LS373
TRUTH TABLE
Dn
LE
OE On
Dn
H
H
L
H
H
L
H
L
L
L
X
L
L
Q0
X
X
X
H
Z*
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
* Note: Contents of flip-flops unaffected by the state of the Output Enable input (OE).
LS374
LE
OE On
L
H
L
L
X
H
Z*
LOGIC DIAGRAMS
SN54LS / 74LS373
3
4
7
8
13
14
17
18
D0
D1
D2
D3
D4
D5
D6
D7
LATCH
ENABLE
11 LE
D
Q
G
D
Q
G
D
Q
G
D
Q
G
D
Q
G
D
Q
G
D
Q
G
D
Q
G
VCC = PIN 20
GND = PIN 10
= PIN NUMBERS
OE
1
O0
2
O1
5
O2
6
O3
9
O4
12
O5
15
O6
16
O7
19
SN54LS / 74LS374
3
11
D0
CP
CP D
QQ
4
D1
CP D
QQ
7
D2
CP D
QQ
8
D3
CP D
QQ
13
D4
CP D
QQ
14
D5
CP D
QQ
17
D6
CP D
QQ
18
D7
CP D
QQ
OE
1
O0
O1
O2
O3
O4
O5
O6
O7
2
5
6
9
12
15
16
19
GUARANTEED OPERATING RANGES
Symbol
Parameter
VCC
Supply Voltage
TA
Operating Ambient Temperature Range
IOH
Output Current — High
IOL
Output Current — Low
Min
Typ
Max
Unit
54
4.5
5.0
5.5
V
74
4.75
5.0
5.25
54
– 55
25
125
°C
74
0
25
70
54
– 1.0
mA
74
– 2.6
54
12
mA
74
24
FAST AND LS TTL DATA
5-522

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