參數(shù)資料
型號(hào): SN74LS373MEL
廠商: ON SEMICONDUCTOR
元件分類(lèi): 總線收發(fā)器
英文描述: Octal Transparent Latch with 3-State Outputs Octal D-Type Flip-Flop with 3-State Output
中文描述: LS SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20
封裝: EIAJ, SOIC-20
文件頁(yè)數(shù): 2/8頁(yè)
文件大?。?/td> 209K
代理商: SN74LS373MEL
SN74LS373, SN74LS374
http://onsemi.com
2
CONNECTION DIAGRAM DIP
(TOP VIEW)
Data Inputs
Latch Enable (Active HIGH) Input
Clock (Active HIGH Going Edge) Input
Output Enable (Active LOW) Input
Outputs
D
0
D
7
LE
CP
OE
O
0
O
7
0.5 U.L.
0.5 U.L.
0.5 U.L.
0.5 U.L.
65 U.L.
0.25 U.L.
0.25 U.L.
0.25 U.L.
0.25 U.L.
15 U.L.
NOTES:
a) 1 TTL Unit Load (U.L.) = 40
A HIGH/1.6 mA LOW.
HIGH
LOW
(Note a)
LOADING
PIN NAMES
NOTE:
The Flatpak version
has the same pinouts
(Connection Diagram) as
the Dual In-Line Package.
SN74LS373
SN74LS374
18
17
16
15
14
13
1
2
3
4
D
1
5
6
7
D
2
20
19
8
D
3
V
CC
OE
O
7
D
7
D
6
O
6
D
5
O
5
D
4
O
0
D
0
O
1
O
2
9
10
GND
O
3
12
O
4
LE
18
17
16
15
14
13
1
2
3
4
5
6
7
D
2
20
19
8
V
CC
OE
O
7
D
7
D
6
O
6
D
5
O
5
D
4
O
0
D
0
D
1
O
1
O
2
D
3
9
10
O
3
GND
12
11
O
4
CP
11
TRUTH TABLE
LS373
D
n
LE
OE
O
n
H
H
L
H
L
H
L
L
X
L
L
Q
0
X
X
H
Z*
LS374
D
n
LE
OE
O
n
H
L
H
L
L
L
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).
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