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SN74LS21N [MOTOROLA]

DUAL 4-INPUT AND GATE; 两个4输入与门
SN74LS21N
型号： SN74LS21N
厂家： MOTOROLA    MOTOROLA
描述：

DUAL 4-INPUT AND GATE
两个4输入与门

输入元件
文件： 总4页 (文件大小：121K)
中文：  中文翻译
下载：  下载PDF数据表文档文件
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SN54/74LS21  
DUAL 4-INPUT AND GATE  
DUAL 4-INPUT AND GATE  
LOW POWER SCHOTTKY  
J SUFFIX  
CERAMIC  
CASE 632-08  
14  
1
N SUFFIX  
PLASTIC  
CASE 646-06  
14  
1
D SUFFIX  
SOIC  
CASE 751A-02  
14  
1
ORDERING INFORMATION  
SN54LSXXJ  
SN74LSXXN  
SN74LSXXD  
Ceramic  
Plastic  
SOIC  
GUARANTEED OPERATING RANGES  
Symbol  
Parameter  
Min  
Typ  
Max  
Unit  
V
CC  
Supply Voltage  
54  
74  
4.5  
4.75  
5.0  
5.0  
5.5  
5.25  
V
T
A
Operating Ambient Temperature Range  
54  
74  
–55  
0
25  
25  
125  
70  
°C  
I
I
Output Current — High  
Output Current — Low  
54, 74  
–0.4  
mA  
mA  
OH  
54  
74  
4.0  
8.0  
OL  
FAST AND LS TTL DATA  
5-59  
SN54/74LS21  
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)  
Limits  
Min  
Typ  
Max  
Symbol  
Parameter  
Input HIGH Voltage  
Unit  
Test Conditions  
Guaranteed Input HIGH Voltage for  
All Inputs  
V
IH  
2.0  
V
54  
74  
0.7  
0.8  
Guaranteed Input LOW Voltage for  
All Inputs  
V
V
V
Input LOW Voltage  
V
IL  
Input Clamp Diode Voltage  
Output HIGH Voltage  
–0.65  
3.5  
–1.5  
V
V
V
V
V
= MIN, I = –18 mA  
IN  
IK  
CC  
54  
74  
2.5  
2.7  
= MIN, I  
OH  
= MAX, V = V  
IN  
CC  
IH  
OH  
or V per Truth Table  
IL  
3.5  
V
V
= V  
CC  
MIN,  
= V or V  
IL IH  
54, 74  
74  
0.25  
0.35  
0.4  
0.5  
V
V
I
I
= 4.0 mA  
= 8.0 mA  
CC  
IN  
OL  
V
Output LOW Voltage  
Input HIGH Current  
OL  
per Truth Table  
OL  
20  
µA  
mA  
mA  
mA  
V
V
V
V
= MAX, V = 2.7 V  
IN  
CC  
CC  
CC  
CC  
I
IH  
0.1  
= MAX, V = 7.0 V  
IN  
I
I
Input LOW Current  
–0.4  
–100  
= MAX, V = 0.4 V  
IN  
IL  
Short Circuit Current (Note 1)  
–20  
= MAX  
OS  
Power Supply Current  
Total, Output HIGH  
2.4  
4.4  
I
mA  
V
CC  
= MAX  
CC  
Total, Output LOW  
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.  
AC CHARACTERISTICS (T = 25°C)  
A
Limits  
Typ  
8.0  
Min  
Max  
15  
Symbol  
Parameter  
Turn-Off Delay, Input to Output  
Turn-On Delay, Input to Output  
Unit  
ns  
Test Conditions  
t
PLH  
V = 5.0 V  
CC  
= 15 pF  
C
L
t
10  
20  
ns  
PHL  
FAST AND LS TTL DATA  
5-60  
Case 751A-02 D Suffix  
14-Pin Plastic  
SO-14  
-A-  
14  
1
8
7
P
C
-B-  
R X 45°  
G
K
J
M
F
D
°
°
°
°
Case 632-08 J Suffix  
14-Pin Ceramic Dual In-Line  
-A-  
14  
1
8
7
-B-  
C
L
-T-  
K
M
F
G
N
J
D
°
°
°
°
Case 646-06 N Suffix  
14-Pin Plastic  
14  
1
8
B
7
A
F
L
C
J
N
K
G
H
D
M
°
°
°
°
FAST AND LS TTL DATA  
5-61  
Motorolareserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representationorguaranteeregarding  
the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit,  
andspecifically disclaims any and all liability, includingwithoutlimitationconsequentialorincidentaldamages. “Typical” parameters can and do vary in different  
applications. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. Motorola does  
not convey any license under its patent rights nor the rights of others. Motorola products are not designed, intended, or authorized for use as components in  
systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of  
the Motorola product could create a situation where personal injury or death may occur. Should Buyer purchase or use Motorola products for any such  
unintendedor unauthorized application, Buyer shall indemnify and hold Motorola and its officers, employees, subsidiaries, affiliates, and distributors harmless  
against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death  
associated with such unintended or unauthorized use, even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part.  
Motorola and  
are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal Opportunity/Affirmative Action Employer.  
Literature Distribution Centers:  
USA: Motorola Literature Distribution; P.O. Box 20912; Phoenix, Arizona 85036.  
EUROPE: Motorola Ltd.; European Literature Centre; 88 Tanners Drive, Blakelands, Milton Keynes, MK14 5BP, England.  
JAPAN: Nippon Motorola Ltd.; 4-32-1, Nishi-Gotanda, Shinagawa-ku, Tokyo 141, Japan.  
ASIA PACIFIC: Motorola Semiconductors H.K. Ltd.; Silicon Harbour Center, No. 2 Dai King Street, Tai Po Industrial Estate, Tai Po, N.T., Hong Kong.  
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