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參數(shù)資料
| 型號： | 933896250602 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 編、解碼器及復(fù)用、解復(fù)用 |
| 英文描述： | F/FAST SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDSO24 |
| 封裝： | PLASTIC, SOT-137, SO-24 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大小： | 84K |
| 代理商： | 933896250602 |
Philips Semiconductors
Product specification
74F154
Decoder/demultiplexer
2
1990 Jan 08
853–1155 98493
FEATURES
16-line demultiplexing capability
Mutually exclusive outputs
2-input enable gate for strobing or expansion
DESCRIPTION
The 74F154 decoder accepts four active High binary address inputs
and provides 16 mutually exclusive active Low outputs. The 2-input
Enable (E0, E1) gate can be used to strobe the decoder to eliminate
the normal decoding “glitches” on the outputs, or it can be used for
expansion of the decoder. The enable gate has two AND’ed inputs
which must be Low to enable the outputs.
The 74F154 can be used as 1-of-16 demultiplexer by using one of
the Enable inputs as the multiplexed data input. When the other
Enable is Low, the addressed output will follow the state of the
applied data.
TYPE
TYPICAL
PROPAGATION
DELAY
TYPICAL
SUPPLY CURRENT
(TOTAL)
74F154
5.5 ns
26mA
ORDERING INFORMATION
DESCRIPTION
COMMERCIAL RANGE
VCC = 5V ±10%,
Tamb = 0°C to +70°C
PKG DWG #
24-pin plastic Slim
DIP (300mil)
N74F154N
SOT222-1
24-pin plastic SOL
N74F154D
SOT137-1
PIN CONFIGURATION
SF00681
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
Q9
Q10
VCC
A0
A1
A2
A3
E0
E1
Q14
Q15
Q13
Q12
Q11
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
INPUT AND OUTPUT LOADING AND FAN-OUT TABLE
PINS
DESCRIPTION
74F (U.L.) HIGH/LOW
LOAD VALUE HIGH/LOW
A0 – A3
Data inputs
1.0/1.0
20
A/0.6mA
E0, E1
Enable inputs
1.0/1.0
20
A/0.6mA
Q0 – Q15
Data outputs
50/33
1.0mA/20mA
NOTE: One (1.0) FAST unit load is defined as: 20
A in the High state and 0.6mA in the Low state.
LOGIC SYMBOL
SF00680
4
5
6
A0
A3
1
2
7
8
9
3
13
14
10
15
16
17
11
18
19
21
20
23
22
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
Q9
Q10
Q12
Q13
Q14
Q15
Q11
A1
A2
VCC=Pin 24
GND=Pin 12
E1
E0
LOGIC SYMBOL (IEEE/IEC)
SF00682
4
5
6
0
3
1
2
7
8
9
3
13
14
10
15
16
17
11
18
19
21
20
23
22
DX
G
0
16
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