參數(shù)資料
型號： 74VCXH16245DTRG
廠商： ON SEMICONDUCTOR
元件分類： 通用總線功能
英文描述： Low-Voltage 1.8/2.5/3.3V 16-Bit Transceiver
中文描述： ALVC/VCX/A 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?。?/td> 91K
代理商： 74VCXH16245DTRG
74VCXH16245
http://onsemi.com
2
Figure 1. 48Lead Pinout
(Top View)
Figure 2. Logic Diagram
T/R1
A0:7
B0:7
One of Eight
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
OE1
T/R2
A8:15
B8:15
OE2
1
48
24
25
1
48
25
24
A0
47
A1
46
A2
44
A3
43
A4
41
A5
40
A6
38
A7
37
A8
36
A9
35
A10
33
A11
32
A12
30
A13
29
A14
27
A15
26
B0
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
B12
B13
B14
B15
2
EN1
EN2
EN3
EN4
T/R1
OE1
OE2
T/R2
3
5
6
8
9
11
12
13
14
16
17
19
20
22
23
1
2
3
4
1
1
1
1
PIN NAMES
Function
Output Enable Inputs
Transmit/Receive Inputs
Side A Inputs or 3State Outputs
Side B Inputs or 3State Outputs
Pins
OEn
T/Rn
A0A15
B0B15
Figure 3. IEC Logic Diagram
Inputs
O tp ts
Outputs
Inputs
O tp ts
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 = High Voltage Level; L = Low Voltage Level; X = High or Low Voltage Level and Transitions Are Acceptable
相關(guān)PDF資料
PDF描述
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