參數(shù)資料
型號: 7LVC244APWDH
廠商: NXP SEMICONDUCTORS
元件分類: 通用總線功能
英文描述: Octal buffer/line driver with 5-volt tolerant inputs/outputs 3-Statetitle
中文描述: LVC/LCX/Z SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20
文件頁數(shù): 3/10頁
文件大?。?/td> 96K
代理商: 7LVC244APWDH
Philips Semiconductors
Product specification
74LVC244A
74LVCH244A
Octal buffer/line driver with 5-volt
tolerant inputs/outputs (3-State)
1998 May 20
3
PIN DESCRIPTION
PIN NUMBER
SYMBOL
FUNCTION
1
1OE
Output enable input (active LOW)
Data inputs
Bus outputs
2, 4, 6, 8
3, 5, 7, 9
1A
0
to 1A
‘3
2Y
0
to 2Y
3
GND
10
Ground (0V)
17, 15, 13, 11
2A
0
to 2A
3
1Y
0
to 1Y
3
2OE
Bus inputs
18, 16, 14, 12
Bus outputs
19
Output enable input (active-LOW)
20
V
CC
Positive supply voltage
PIN CONFIGURATION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1OE
1A0
2Y0
1A1
2Y1
1A2
2Y2
1A3
2Y3
1Y3
GND
2A2
1Y2
2A1
1Y1
2A0
1Y0
2OE
V
CC
2A3
SV00212
LOGIC SYMBOL (IEEE/IEC)
1
2
18
4
16
6
14
8
12
19
11
9
13
7
15
5
17
3
EN
EN
SV00209
FUNCTION TABLE
INPUTS
OUTPUT
nOE
nA
n
L
nY
n
L
L
L
H
H
H
X
Z
H = HIGH voltage level
L
= LOW voltage level
X = Don’t care
Z
= High impedance OFF-state
LOGIC SYMBOL
2
4
6
8
1
18
16
14
12
1A
0
1A
1
1A
2
1A
3
1OE
1Y
0
1Y
1
1Y
2
1Y
3
17
15
13
11
19
3
5
7
9
2A
0
2A
1
2A
2
2A
3
2OE
2Y
o
2Y
1
2Y
2
2Y
3
SV00210
FUNCTIONAL DIAGRAM
2
4
6
8
1
18
16
14
12
1A
0
1A
1
1A
2
1A
3
1OE
1Y
0
1Y
1
1Y
2
1Y
3
17
15
13
11
19
3
5
7
9
2A
0
2A
1
2A
2
2A
3
2OE
2Y
o
2Y
1
2Y
2
2Y
3
SV00211
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7LVC245APWDH 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Octal bus transceiver with direction pin with 5-volt tolerant inputs/outputs 3-State
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7LVC374APWDH 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Octal D-type flip-flop with 5-volt tolerant inputs/outputs; positive edge-trigger 3-State
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