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參數資料
| 型號： | 74ABT3284 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 18-Bit Synchronous Datapath Multiplexer |
| 中文描述： | 18位同步數據通道多路復用器 |
| 文件頁數： | 1/12頁 |
| 文件大小： | 170K |
| 代理商： | 74ABT3284 |
TL/F/11582
7
October 1995
74ABT3284
18-Bit Synchronous Datapath Multiplexer
General Description
The 74ABT3284 is a synchronous datapath buffer designed
to transmit four 9-bit bytes of data onto one or two 9-bit
bytes in 2:1 or 4:1 multiplexed configurations. In addition,
the non-inverting transceiver supports bidirectional data
transfer in transparent or registered modes. A data byte
from any one of the six ports can be stored during transpar-
ent operation for later recall. Data input to any port may also
be read back to itself for byte manipulation or system self-di-
agnostic purposes.
The 74ABT3284 is useful for interleaving data in memory
applications or for use in bus-to-bus communications where
variations in data word length or construction are required.
Features
Y
Advanced BiCMOS technology provides high speed at
low power consumption
Y
18-bit 2:1 or 9-bit 4:1 multiplexed modes
Y
Registered or transparent datapath operation
Y
Output enables and select lines have the option of be-
ing synchronized for pipelined operation
Y
Independent input, output register and control synchro-
nizing clocks insure maximum timing flexibility
Y
Independent control signals insure functional flexibility
Y
Guaranteed simultaneous switching noise level and
dynamic threshold performance
Y
Guaranteed latchup protection
Y
High impedance glitch free bus loading during entire
power up and power down cycle
Y
Non-destructive hot insertion capability
Commercial
Package Number
Package Description
74ABT3284VJG
VJG100A
100-Lead (14mm x 14mm) Molded Plastic Quad Flatpak, JEDEC
Connection Diagram
TL/F/11582–1
Pin Assignment
Pin
Pin
Pin
Pin
1
2
3
4
5
6
7
8
9
ModeDSO
CPDAX
OEC
LDCI
LDCO
SA
2
X
1
SA
2
X
0
X
0
X
1
GND
X
2
X
3
X
4
X
5
X
6
GND
X
7
X
8
OEX
XSEL
0
XSEL
1
LDAO
LDAI
OEA
V
CC
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
V
CC
A
8
A
7
A
6
GND
A
5
A
4
A
3
A
2
GND
A
1
A
0
V
CC
B
0
B
1
GND
B
2
B
3
B
4
B
5
GND
B
6
B
7
B
8
V
CC
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
CPDIN
OEB
LDBI
LDBO
ModeDW
YSEL
OEY
Y
8
Y
7
GND
Y
6
Y
5
Y
4
Y
3
Y
2
GND
Y
1
Y
0
LDDO
LDDI
ASEL1
ASEL0
OED
CPDXA
ModeDSC
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
V
CC
D
8
D
7
D
6
GND
D
5
D
4
D
3
D
2
GND
D
1
D
0
V
CC
C
0
C
1
GND
C
2
C
3
C
4
C
5
GND
C
6
C
7
C
8
V
CC
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
TRI-STATE
é
is a registered trademark of National Semiconductor Corporation.
C
1995 National Semiconductor Corporation
RRD-B30M125/Printed in U. S. A.
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| 74ABT3284VJG | 18-Bit Synchronous Datapath Multiplexer |
| 74AC00 | QUAD 2-INPUT NAND GATE |
| 74AC00B | QUAD 2-INPUT NAND GATE |
| 74AC00M | QUAD 2-INPUT NAND GATE |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| 74ABT3284VJG | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:18-Bit Synchronous Datapath Multiplexer |
| 74ABT32D | 功能描述:邏輯門 QUAD 2-INPUT OR GATE RoHS:否 制造商:Texas Instruments 產品:OR 邏輯系列:LVC 柵極數量:2 線路數量（輸入/輸出）:2 / 1 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 傳播延遲時間:3.8 ns 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:DCU-8 封裝:Reel |
| 74ABT32D,112 | 功能描述:邏輯門 QUAD 2-INPUT OR GATE RoHS:否 制造商:Texas Instruments 產品:OR 邏輯系列:LVC 柵極數量:2 線路數量（輸入/輸出）:2 / 1 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 傳播延遲時間:3.8 ns 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:DCU-8 封裝:Reel |
| 74ABT32D,118 | 功能描述:邏輯門 QUAD 2-INPUT OR GATE RoHS:否 制造商:Texas Instruments 產品:OR 邏輯系列:LVC 柵極數量:2 線路數量（輸入/輸出）:2 / 1 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 傳播延遲時間:3.8 ns 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:DCU-8 封裝:Reel |
| 74ABT32DB | 功能描述:邏輯門 QUAD 2-INPUT OR GATE RoHS:否 制造商:Texas Instruments 產品:OR 邏輯系列:LVC 柵極數量:2 線路數量（輸入/輸出）:2 / 1 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 傳播延遲時間:3.8 ns 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:DCU-8 封裝:Reel |
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