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參數(shù)資料
| 型號： | ACH16245DGG |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 通用總線功能 |
| 英文描述： | JT 55C 55#22D PIN PLUG |
| 中文描述： | ALVC/VCX/A SERIES, DUAL 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO48 |
| 文件頁數(shù)： | 3/10頁 |
| 文件大?。?/td> | 91K |
| 代理商： | ACH16245DGG |
Philips Semiconductors
Product specification
74ALVC16245/
74ALVCH16245
16-bit bus transceiver with direction pin (3-State)
1998 Jun 29
3
PIN DESCRIPTION
PIN NUMBER
SYMBOL
NAME AND FUNCTION
1
1DIR
Direction control
2, 3, 5, 6, 8, 9,
11, 12
1B0 to 1B7
Data inputs/outputs
4, 10, 15, 21,
28, 34, 39, 45
GND
Ground (0V)
7, 18, 31, 42
V
CC
Positive supply voltage
13, 14, 16, 17,
19, 20, 22, 23
2B0 to 2B7
Data inputs/outputs
24
2DIR
Direction control
25
2OE
Output enable input
(active LOW)
36, 35, 33, 32,
30, 29, 27, 26
2A0 to 2A7
Data inputs/outputs
47, 46, 44, 43,
41, 40, 38, 37
1A0 to 1A7
Data inputs/outputs
48
1OE
Output enable input
(active LOW)
LOGIC SYMBOL
2DIR24
36
35
33
32
30
29
27
26
23
22
20
19
17
16
14
13
2OE
2A0
2A1
2A2
2A3
2A4
2A5
2A6
2A7
2B0
2B1
2B2
2B3
2B4
2B5
2B6
2B7
25
1DIR
1
47
46
44
43
41
40
38
37
12
11
9
8
6
5
3
2
1OE
1A0
1A1
1A2
1A3
1A4
1A5
1A6
1A7
1B0
1B1
1B2
1B3
1B4
1B5
1B6
1B7
48
SW00197
FUNCTION TABLE
INPUTS
INPUTS/OUTPUT
nOE
nDIR
nAn
nBn
L
L
A = B
inputs
L
H
inputs
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 (IEEE/IEC)
48
3 EN1 [BA]
1
G3
G6
6 EN4 [BA]
1
25
24
2
1DIR
1OE
2OE
2DIR
1B0
3 EN2 [AB]
6 EN5 [AB]
47
1A0
46
44
43
41
40
38
37
13
2B0
36
35
33
32
30
29
27
26
3
5
6
8
9
11
12
14
16
17
19
20
22
23
1A1
1A2
1A3
1A4
1A5
1A6
1A7
2A0
2A1
2A2
2A3
2A4
2A5
2A6
2A7
1B1
1B2
1B3
1B4
1B5
1B6
1B7
2B1
2B2
2B3
2B4
2B5
2B6
2B7
SW00196
2
4
5
BUS HOLD CIRCUIT
To internal circuit
V
CC
Data Input
SW00044
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