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74AHCT240BQ,115 PDF预览

74AHCT240BQ,115

更新时间: 2024-10-28 14:50:51
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74AHCT240BQ,115 数据手册

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NXP Semiconductors  
74AHC240; 74AHCT240  
Octal buffer/line driver; inverting; 3-state  
8. Recommended operating conditions  
Table 5.  
Symbol  
74AHC240  
VCC  
Recommended operating conditions  
Parameter  
Conditions  
Min  
Typ  
Max  
Unit  
supply voltage  
2.0  
5.0  
5.5  
V
VI  
input voltage  
0
-
5.5  
V
VO  
output voltage  
0
-
VCC  
+125  
100  
20  
V
Tamb  
ambient temperature  
input transition rise and fall rate  
40  
+25  
C  
ns/V  
ns/V  
t/V  
VCC = 3.3 V 0.3 V  
VCC = 5 V 0.5 V  
-
-
-
-
74AHCT240  
VCC  
VI  
supply voltage  
4.5  
0
5.0  
5.5  
V
input voltage  
-
5.5  
V
VO  
output voltage  
0
-
VCC  
+125  
20  
V
Tamb  
t/V  
ambient temperature  
input transition rise and fall rate  
40  
-
+25  
-
C  
ns/V  
VCC = 5 V 0.5 V  
9. Static characteristics  
Table 6.  
Static characteristics  
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).  
Symbol Parameter  
Conditions  
25 C  
40 C to +85 C 40 C to +125 C Unit  
Min Typ Max  
Min  
Max  
Min  
Max  
74AHC240  
VIH  
HIGH-level  
input voltage  
VCC = 2.0 V  
1.5  
-
-
-
-
-
-
-
-
1.5  
-
-
1.5  
-
-
V
V
V
V
V
V
VCC = 3.0 V  
2.1  
2.1  
2.1  
VCC = 5.5 V  
3.85  
-
3.85  
-
3.85  
-
VIL  
LOW-level  
input voltage  
VCC = 2.0 V  
-
-
-
0.5  
0.9  
1.65  
-
-
-
0.5  
0.9  
1.65  
-
-
-
0.5  
0.9  
1.65  
VCC = 3.0 V  
VCC = 5.5 V  
VOH  
HIGH-level  
VI = VIH or VIL  
output voltage  
IO = 50 A; VCC = 2.0 V  
IO = 50 A; VCC = 3.0 V  
IO = 50 A; VCC = 4.5 V  
IO = 4.0 mA; VCC = 3.0 V  
IO = 8.0 mA; VCC = 4.5 V  
VI = VIH or VIL  
1.9  
2.9  
2.0  
3.0  
4.5  
-
-
-
-
-
-
1.9  
2.9  
-
-
-
-
-
1.9  
2.9  
-
-
-
-
-
V
V
V
V
V
4.4  
4.4  
4.4  
2.58  
3.94  
2.48  
3.80  
2.40  
3.70  
-
VOL  
LOW-level  
output voltage  
IO = 50 A; VCC = 2.0 V  
IO = 50 A; VCC = 3.0 V  
IO = 50 A; VCC = 4.5 V  
IO = 4.0 mA; VCC = 3.0 V  
IO = 8.0 mA; VCC = 4.5 V  
-
-
-
-
-
0
0
0
-
0.1  
0.1  
-
-
-
-
-
0.1  
0.1  
-
-
-
-
-
0.1  
0.1  
V
V
V
V
V
0.1  
0.1  
0.1  
0.36  
0.36  
0.44  
0.44  
0.55  
0.55  
-
74AHC_AHCT240  
All information provided in this document is subject to legal disclaimers.  
© NXP B.V. 2013. All rights reserved.  
Product data sheet  
Rev. 4 — 25 September 2013  
4 of 16  
 
 

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