參數(shù)資料
型號: 74ALS27
廠商: NXP Semiconductors N.V.
英文描述: Triple 3-Input NOR gate
中文描述: 三3輸入或非門
文件頁數(shù): 2/7頁
文件大?。?/td> 88K
代理商: 74ALS27
Philips Semiconductors
Product specification
74ALS27
Triple 3-input NOR gate
2
1991 Feb 08
853–1162 01670
TYPE
TYPICAL
PROPAGATION DELAY
TYPICAL
SUPPLY CURRENT
(TOTAL)
74ALS27
4.0ns
1.5mA
ORDERING INFORMATION
ORDER CODE
DESCRIPTION
COMMERCIAL RANGE
V
CC
= 5V
±
10%,
T
amb
= 0
°
C to +70
°
C
DRAWING
NUMBER
14-pin plastic DIP
74ALS27N
SOT27-1
14-pin plastic SO
74ALS27D
SOT108-1
PIN CONFIGURATION
14
13
12
11
10
9
8
7
6
5
4
3
2
1
1A
1B
2A
2B
2C
2Y
GND
3Y
3A
3B
3C
1Y
1C
V
CC
SC00014
INPUT AND OUTPUT LOADING AND FAN-OUT TABLE
PINS
DESCRIPTION
74ALS (U.L.)
HIGH/LOW
LOAD VALUE
HIGH/LOW
nA, nB, nC
Data inputs
1.0/1.0
20
μ
A/0.1mA
nY
Data output
20/80
0.4mA/8mA
NOTE:
One (1.0) ALS unit load is defined as: 20
μ
A in the High state and 0.1mA in the Low state.
LOGIC SYMBOL
V
= Pin 14
GND = Pin 7
1
2
13
3
4
5
9
10
1A 1B 1C 2A
2B 2C 3A
3B
1Y
2Y 3Y
12
6
8
SC00016
11
3C
IEC/IEEE SYMBOL
SF00036
1
12
6
8
1
2
13
3
4
5
9
10
11
LOGIC DIAGRAM
V
= Pin 14
GND = Pin 7
1A
1B
1C
1Y
12
1
2
13
SC00028
2A
2B
2C
2Y
6
3
4
5
3A
3B
3C
3Y
8
9
10
11
FUNCTION TABLE
INPUTS
OUTPUT
nA
nB
nC
nY
H
X
X
L
X
H
X
L
X
X
H
L
L
High voltage level
Low voltage level
Don’t care
L
L
H
H =
L
X =
=
相關(guān)PDF資料
PDF描述
74ALS27D Triple 3-Input NOR gate
74ALS27N Triple 3-Input NOR gate
74ALS30A 8-Input NAND gate
74ALS30AD 8-Input NAND gate
74ALS30AN 8-Input NAND gate
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