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參數(shù)資料
| 型號： | 935056370118 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | LV/LV-A/LVX/H SERIES, OCTAL 1-BIT DRIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | PLASTIC, SOT-163, SO-20 |
| 文件頁數(shù)： | 8/14頁 |
| 文件大小： | 168K |
| 代理商： | 935056370118 |
Philips Semiconductors
Product specification
74LV244
Octal buffer/line driver (3-State)
1998 May 20
3
PIN DESCRIPTION
PIN
NUMBER
SYMBOL
FUNCTION
1
1OE
Output enable input (active LOW)
2, 4, 6, 8
1A0 to 1A3 Data inputs
3, 5, 7, 9
2Y0 to 2Y3 Bus outputs
10
GND
Ground (0 V)
17, 15, 13, 11
2A0 to 2A3
Data inputs
18, 16, 14, 12
1Y0 to 1Y3
Bus outputs
19
2OE
Output enable input (active LOW)
20
VCC
Positive supply voltage
LOGIC SYMBOL (IEEE/IEC)
SV00666
18
16
14
12
2
4
6
8
EN
1
9
7
5
3
11
13
15
17
EN
19
FUNCTIONAL DIAGRAM
SV00622
2Y0
3
2Y1
5
2Y2
7
2Y3
9
2A0
17
2A1
15
2A2
13
2A3
11
2OE
19
1Y0
18
1Y1
16
1Y2
14
1Y3
12
1A0
2
1A1
4
1A2
6
1A3
8
1OE
1
FUNCTION TABLE
INPUTS
OUTPUT
nOE
nAn
nYn
L
H
X
Z
NOTES:
H =
HIGH voltage level
L
=
LOW voltage level
X =
don’t care
Z =
high impedance OFF-state
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