DM74ALS1008AN [FAIRCHILD]
Quadruple 2-Input AND Buffer; 四路2输入和缓冲液
| 型号： | DM74ALS1008AN |
| 厂家： | 
FAIRCHILD SEMICONDUCTOR |
| 描述： | Quadruple 2-Input AND Buffer |
| 文件： | 总4页 (文件大小：50K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
September 1986
Revised February 2000
DM74ALS1008A
Quadruple 2-Input AND Buffer
General Description
These devices contain four independent 2-input buffers,
each of which performs the logic AND function. The
DM74ALS1008A is a buffer version of the DM74ALS08.
Features
■ Switching specifications at 50 pF
■ Switching specifications guaranteed over full tempera-
ture and VCC range
■ Advanced oxide-isolated, ion-implanted Schottky TTL
process
■ Improved line receiving characteristics
Ordering Code:
Order Number Package Number
Package Description
DM74ALS1008AM
DM74ALS1008AN
M14A
N14A
14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Function Table
Y = AB
Inputs
Output
A
L
B
L
Y
L
L
H
L
L
H
H
L
H
H
L = LOW Logic Level
H = HIGH Logic Level
© 2000 Fairchild Semiconductor Corporation
DS006254
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Absolute Maximum Ratings(Note 1)
Supply Voltage
Input Voltage
7V
7V
Operating Free Air Temperature Range
Storage Temperature Range
Typical θJA
0°C to +70°C
Note 1: The “Absolute Maximum Ratings” are those values beyond which
the safety of the device cannot be guaranteed. The device should not be
operated at these limits. The parametric values defined in the Electrical
Characteristics tables are not guaranteed at the absolute maximum ratings.
The “Recommended Operating Conditions” table will define the conditions
for actual device operation.
−65°C to +150°C
N Package
83.0°C/W
M Package
114.0°C/W
Recommended Operating Conditions
Symbol
Parameter
Min
4.5
2
Nom
Max
Units
V
VCC
VIH
VIL
IOH
IOL
TA
Supply Voltage
5
5.5
HIGH Level Input Voltage
LOW Level Input Voltage
HIGH Level Output Current
LOW Level Output Current
Free Air Operating Temperature
V
0.8
−2.6
24
V
mA
mA
°C
0
70
Electrical Characteristics
over recommended operating free air temperature range. All typical values are measured at VCC = 5V, T = 25°C.
A
Symbol
Parameter
Input Clamp Voltage
Conditions
= 4.5V, I = −18 mA
Min
Typ
Max
Units
V
V
V
V
V
V
V
V
V
V
V
V
V
V
−1.5
V
V
IK
CC
I
HIGH Level
= 4.5V
= 2V
OH
CC
I
= Max
2.4
3.2
OH
Output Voltage
IH
= 4.5V to 5.5V
= 4.5V
I
I
I
= −400 µA
= 12 mA
= 24 mA
V
− 2
V
CC
CC
OH
OL
OL
CC
V
LOW Level
0.25
0.35
0.4
0.5
0.1
20
V
OL
Output Voltage
= V Max
V
IL
IL
I
I
I
I
I
I
Input Current @ Maximum Input Voltage
HIGH Level Input Current
LOW Level Input Current
Output Drive Current
= 5.5V, V = 7V
mA
µA
mA
mA
mA
mA
I
CC
CC
CC
CC
CC
CC
IH
= 5.5V, V = 2.7V
IH
IH
= 5.5V, V = 0.4V
−0.1
−112
3
IL
IL
= 5.5V, V = 2.25V
−30
O
O
Supply Current with Outputs HIGH
Supply Current with Outputs LOW
= 5.5V, V = 4.5V
1.8
5.7
CCH
CCL
I
= 5.5V, V = 0V
9.3
I
Switching Characteristics
over recommended operating free air temperature range.
Symbol Parameter
Propagation Delay Time
Conditions
Min
Max
Units
t
V
= 4.5V to 5.5V
= 500Ω
PLH
CC
2
9
ns
LOW-to-HIGH Level Output
Propagation Delay Time
HIGH-to-LOW Level Output
R
C
L
t
= 50 pF
PHL
L
3
9
ns
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2
Physical Dimensions inches (millimeters) unless otherwise noted
14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
Package Number M14A
3
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Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Package Number N14A
Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and
Fairchild reserves the right at any time without notice to change said circuitry and specifications.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD
SEMICONDUCTOR CORPORATION. As used herein:
1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the
body, or (b) support or sustain life, and (c) whose failure
to perform when properly used in accordance with
instructions for use provided in the labeling, can be rea-
sonably expected to result in a significant injury to the
user.
2. A critical component in any component of a life support
device or system whose failure to perform can be rea-
sonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
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