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SL74LS244 参数 Datasheet PDF下载

SL74LS244图片预览
型号: SL74LS244
PDF下载: 下载PDF文件 查看货源
内容描述: 八路三态非反相缓冲器/线路驱动器/线接收器 [Octal 3-State Noninverting Buffer/Line Driver/Line Receiver]
分类和应用: 驱动器
文件页数/大小: 4 页 / 44 K
品牌: SLS [ SYSTEM LOGIC SEMICONDUCTOR ]
 浏览型号SL74LS244的Datasheet PDF文件第1页浏览型号SL74LS244的Datasheet PDF文件第3页浏览型号SL74LS244的Datasheet PDF文件第4页  
SL74LS244  
MAXIMUM RATINGS*  
Symbol  
Parameter  
Value  
7.0  
Unit  
V
VCC  
Supply Voltage  
Input Voltage  
Output Voltage  
V
IN  
7.0  
V
VOUT  
Tstg  
5.5  
V
Storage Temperature Range  
-65 to +150  
°C  
*Maximum Ratings are those values beyond which damage to the device may occur.  
Functional operation should be restricted to the Recommended Operating Conditions.  
RECOMMENDED OPERATING CONDITIONS  
Symbol  
Parameter  
Min  
4.75  
2.0  
Max  
Unit  
V
VCC  
Supply Voltage  
5.25  
V
IH  
High Level Input Voltage  
Low Level Input Voltage  
High Level Output Current  
Low Level Output Current  
V
V
IL  
0.8  
-15  
24  
V
IOH  
IOL  
TA  
mA  
mA  
°C  
Ambient Temperature Range  
0
+70  
DC ELECTRICAL CHARACTERISTICS over full operating conditions  
Guaranteed Limit  
Symbol  
Parameter  
Input Clamp Voltage  
Test Conditions  
VCC = min, IIN = -18 mA  
VCC = min, IOH = -1.0 mA  
VCC = min, IOH = -3.0 mA  
VCC = min, IOH = -15 mA  
VCC = min, IOL = 12 mA  
VCC = min, IOL = 24 mA  
VCC = min  
Min  
Max  
Unit  
V
V
IK  
-1.5  
VOH  
High Level Output Voltage  
2.7  
2.4  
2.0  
V
VOL  
Low Level Output Voltage  
0.4  
0.5  
V
VT+ - VT- Hysteresis  
0.2  
V
IOZH  
IOZL  
IIH  
Output Off Current HIGH  
VCC = max, VOUT = 2.7 V  
VCC = max, VOUT = 0.4 V  
20  
-20  
20  
mA  
mA  
mA  
mA  
mA  
mA  
Output Off Current LOW  
High Level Input Current  
VCC = max, V = 2.7 V  
IN  
VCC = max, V = 7.0 V  
0.1  
IN  
IIL  
IO  
Low Level Input Current  
VCC = max, V = 0.4 V  
-0.2  
-225  
IN  
Output Short Circuit Current  
VCC = max, VO =0 V  
(Note 1)  
-40  
ICC  
Supply  
Current  
Outputs High  
Outputs Low  
VCC = max  
27  
46  
54  
mA  
Outputs open  
All outputs  
disabled  
System Logic  
Semiconductor  
SLS