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參數(shù)資料
| 型號： | MC74F539DW |
| 廠商： | MOTOROLA INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | DUAL 1-OF-4 DECODER WITH 3-STATE OUTPUTS |
| 中文描述： | F/FAST SERIES, OTHER DECODER/DRIVER, CONFIGURABLE OUTPUT, PDSO20 |
| 封裝： | SOIC-20 |
| 文件頁數(shù)： | 1/3頁 |
| 文件大小： | 79K |
| 代理商： | MC74F539DW |
4-209
FAST AND LS TTL DATA
DUAL 1-OF-4 DECODER
WITH 3-STATE OUTPUTS
The MC54/74F539 contains two independent decoders. Each accepts two
Address (A0–A1) input signals and decodes them to select one of four
mutually exclusive outputs. A polarity control input (P) determines whether the
outputs are active HIGH (P = L) or active LOW (P = H). An active LOW input
Enable (E) is available for data demultiplexing; data is routed to the selected
output in non-inverted form in the active LOW mode or in inverted form in the
active HIGH mode. A HIGH Signal on the active LOW Output Enable (OE)
input forces the 3-state outputs to the high impedance state.
Demultiplexing Capability
3-State Outputs
Two Completely Independent 1-of-4 Decoders
Input Clamp Diodes Limit High Speed Termination Effects
ESD Protection > 4000 Volts
CONNECTION DIAGRAM DIP
(TOP VIEW)
18
17
16
15
14
13
1
2
3
4
Pb
5
6
7
20
19
8
O3aO2a
VCC
O2b
O3b
A1b
A0b
Eb
OEa
Ea
Pa
O1bO0b
OEb
A0a
A1a
9
10
GND
12
11
O1a
O0a
MC54/74F539
DUAL 1-OF-4 DECODER
WITH 3-STATE OUTPUTS
FAST
SCHOTTKY TTL
ORDERING INFORMATION
MC54FXXXJ
MC74FXXXN
MC74FXXXDW
Ceramic
Plastic
SOIC
20
1
J SUFFIX
CERAMIC
CASE 732-03
20
1
N SUFFIX
PLASTIC
CASE 738-03
20
1
DW SUFFIX
SOIC
CASE 751D-03
LOGIC SYMBOL
13 6
VCC = PIN 20
GND = PIN 10
A0A1
P
O0O1O2O3
E
OE
DECODER a
A0A1
P
O0O1O2O3
E
OE
DECODER b
7
15
14
12 11
4 17 18
9
8
16
5
3
2
1
19
LOGIC DIAGRAM
(1/2 SHOWN)
A1
A0
E
P
OE
O0
O1
O2
O3
Please note that this diagram is provided only for the understanding of logic operations and
should not be used to estimate propagation delays.
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| MC74F543 WAF | 制造商:ON Semiconductor 功能描述: |
| MC74F543DWR2 | 制造商:Motorola Inc 功能描述: |
| MC74F543N | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MC74F544 WAF | 制造商:ON Semiconductor 功能描述: |
| MC74F568 WAF | 制造商:ON Semiconductor 功能描述: |
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