參數(shù)資料
型號： LVCH245APWDH
廠商： NXP SEMICONDUCTORS
元件分類： 通用總線功能
英文描述： Octal bus transceiver with direction pin with 5-volt tolerant inputs/outputs 3-State
中文描述： LVC/LCX/Z SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20
封裝： 4.40 MM, PLASTIC, MO-153AC, SOT-360-1, TSSOP1-20
文件頁數(shù)： 3/10頁
文件大?。?/td> 97K
代理商： LVCH245APWDH
Philips Semiconductors
Product specification
74LVC245A
74LVCH245A
Octal bus transceiver with direction pin with
5-volt tolerant inputs/outputs (3-State)
1998 May 20
3
PIN CONFIGURATION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
DIR
A0
A1
A2
A3
A4
A5
A6
A7
GND
V
CC
OE
B0
B1
B2
B3
B4
B5
B6
B7
SV00014
PIN DESCRIPTION
PIN NUMBER
SYMBOL
FUNCTION
1
DIR
Direction control
2, 3, 4, 5, 6,
7, 8, 9
A
0
to A
7
Data inputs/outputs
10
GND
Ground (0V)
18, 17, 16, 15,
14, 13, 12, 11
B
0
to B
7
Data inputs/outputs
19
OE
Output enable input (active-Low)
20
V
CC
Positive supply voltage
FUNCTION TABLE
INPUTS
INPUTS/OUTPUTS
OE
DIR
An
B
0
L
L
A = B
Inputs
L
H
lnputs
B = A
H
X
Z
Z
H = HIGH voltage level
L
= LOW voltage level
X = Don’t care
Z
= High impedance OFF-state
LOGIC SYMBOL
A0
A1
A2
A3
A4
A5
A6
A7
B0
B1
B2
B3
B4
B5
B6
B7
2
3
4
5
6
7
8
9
18
17
16
15
14
13
12
11
OE
19
DIR
1
SV00016
LOGIC SYMBOL (IEEE/IEC)
G3
19
3EN1 (BA)
3EN2 (AB)
1
1
2
2
3
4
5
6
7
8
9
18
17
16
15
14
13
12
11
SV00208
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