參數(shù)資料
型號: 74ALS38A
廠商: NXP Semiconductors N.V.
英文描述: Quad 2-Input NAND buffer(open collector)(四通道2輸入與非門緩沖器(集電極開路))
中文描述: 四2輸入與非緩沖器(集電極開路)(四通道2輸入與非門緩沖器(集電極開路))
文件頁數(shù): 2/7頁
文件大小: 85K
代理商: 74ALS38A
Philips Semiconductors
Product specification
74ALS38A
Quad 2-input NAND buffer (open collector)
2
1991 Feb 08
853–1305 01670
TYPE
TYPICAL
PROPAGATION DELAY
TYPICAL
SUPPLY CURRENT
(TOTAL)
74ALS38A
7.0ns
3.5mA
ORDERING INFORMATION
ORDER CODE
DESCRIPTION
COMMERCIAL RANGE
V
CC
= 5V
±
10%,
T
amb
= 0
°
C to +70
°
C
DRAWING
NUMBER
14-pin plastic DIP
74ALS38AN
SOT27-1
14-pin plastic SO
74ALS38AD
SOT108-1
PIN CONFIGURATION
14
13
12
11
10
9
8
7
6
5
4
3
2
1
1A
1B
1Y
2A
2B
2Y
GND
3Y
3A
3B
4Y
4A
4B
V
CC
SC00001
INPUT AND OUTPUT LOADING AND FAN-OUT TABLE
PINS
DESCRIPTION
74ALS (U.L.)
HIGH/LOW
LOAD VALUE
HIGH/LOW
nA, nB
Data inputs
1.0/1.0
20
μ
A/0.1mA
nY
Data outputs
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
4
5
9
10
12
13
1A 1B
2A
2B
3A 3B
4A
4B
1Y
2Y
3Y 4Y
3
6
8
11
SC00002
IEC/IEEE SYMBOL
1
2
4
5
9
10
12
13
&
3
6
8
11
SC00034
LOGIC DIAGRAM
V
= Pin 14
GND = Pin 7
1A
1B
2A
2B
3A
3B
4A
4B
1Y
2Y
3Y
4Y
3
6
8
11
1
2
4
5
9
10
12
13
SC00035
FUNCTION TABLE
INPUTS
OUTPUT
nA
nB
nY
L
L
H
L
H
H
H
L
H
H
H
L
H =
L
X =
High voltage level
Low voltage level
Don’t care
=
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