參數(shù)資料
型號: M74LCX16245DTR2G
廠商: ON SEMICONDUCTOR
元件分類: 通用總線功能
英文描述: Low−Voltage CMOS 16−Bit Transceiver With 5 V−Tolerant Inputs and Outputs (3−State, Non−Inverting)
中文描述: LVC/LCX/Z SERIES, DUAL 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO48
封裝: LEAD FREE, TSSOP-48
文件頁數(shù): 2/8頁
文件大小: 104K
代理商: M74LCX16245DTR2G
MC74LCX16245
http://onsemi.com
2
Figure 1. Pinout: 48Lead
(Top View)
48
1
OE1
T/R1
47
2
A0
B0
46
3
A1
B1
45
4
GND
GND
44
5
A2
B2
43
6
A3
B3
42
7
V
CC
V
CC
41
8
A4
B4
40
9
A5
B5
39
10
GND
GND
38
11
A6
B6
37
12
A7
B7
36
13
A8
B8
35
14
A9
B9
34
15
GND
GND
33
16
A10
B10
32
17
A11
B11
31
18
V
CC
V
CC
30
19
A12
B12
29
20
A13
B13
28
21
GND
GND
27
22
A14
B14
26
23
A15
B15
25
24
OE2
T/R2
Table 1. PIN NAMES
Pins
Function
OEn
T/Rn
A0 A15
B0 B15
Output Enable Inputs
Transmit/Receive Inputs
Side A Inputs or 3State Outputs
Side B Inputs or 3State Outputs
T/R1
A0:7
B0:7
One of Eight
OE1
T/R2
A8:15
B8:15
OE2
1
48
24
25
Figure 2. Logic Diagram
TRUTH TABLE
Inputs
Outputs
Inputs
Outputs
OE1
T/R1
OE2
T/R2
L
L
Bus B0:7 Data to Bus A0:7
L
L
Bus B8:15 Data to Bus A8:15
L
H
Bus A0:7 Data to Bus B0:7
L
H
Bus A8:15 Data to Bus B8:15
H
X
High Z State on A0:7, B0:7
H
X
High Z State on A8:15, B8:15
H
L
Z
X
=
=
=
=
High Voltage Level
Low Voltage Level
High Impedance State
High or Low Voltage Level and Transitions Are Acceptable; for I
CC
reasons, DO NOT FLOAT Inputs
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