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74HCT74BQ Datasheet(数据表) 5 Page - NXP Semiconductors

部件型号  74HCT74BQ
说明  Dual D-type flip-flop with set and reset; positive edge-trigger
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制造商  PHILIPS [NXP Semiconductors]
网页  http://www.nxp.com
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74HC_HCT74
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2012. All rights reserved.
Product data sheet
Rev. 4 — 27 August 2012
5 of 21
NXP Semiconductors
74HC74; 74HCT74
Dual D-type flip-flop with set and reset; positive edge-trigger
8.
Recommended operating conditions
9.
Static characteristics
Table 6.
Recommended operating conditions
Voltages are referenced to GND (ground = 0 V)
Symbol Parameter
Conditions
74HC74
74HCT74
Unit
Min
Typ
Max
Min
Typ
Max
VCC
supply voltage
2.0
5.0
6.0
4.5
5.0
5.5
V
VI
input voltage
0
-
VCC
0-
VCC
V
VO
output voltage
0
-
VCC
0-
VCC
V
Tamb
ambient temperature
40
+25
+125
40
+25
+125
C
t/V
input transition rise and fall rate
VCC = 2.0 V
-
-
625
-
-
-
ns/V
VCC = 4.5 V
-
1.67
139
-
1.67
139
ns/V
VCC = 6.0 V
-
-
83
-
-
-
ns/V
Table 7.
Static characteristics
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter
Conditions
Tamb = 40 C to +85 C
Tamb = 40 C to +125 C
Unit
Min
Typ[1]
Max
Min
Max
74HC74
VIH
HIGH-level
input voltage
VCC = 2.0 V
1.5
1.2
-
1.5
-
V
VCC = 4.5 V
3.15
2.4
-
3.15
-
V
VCC = 6.0 V
4.2
3.2
-
4.2
-
V
VIL
LOW-level
input voltage
VCC = 2.0 V
-
0.8
0.5
-
0.5
V
VCC = 4.5 V
-
2.1
1.35
-
1.35
V
VCC = 6.0 V
-
2.8
1.8
-
1.8
V
VOH
HIGH-level
output voltage
VI =VIH or VIL
IO = 4.0 mA; VCC = 4.5 V
3.84
4.32
-
3.7
-
V
IO = 5.2 mA; VCC = 6.0 V
5.34
5.81
-
5.2
-
V
VOL
LOW-level
output voltage
VI =VIH or VIL
IO =4.0 mA; VCC = 4.5 V
-
0.15
0.33
-
0.4
V
IO =5.2 mA; VCC = 6.0 V
-
0.16
0.33
-
0.4
V
II
input leakage
current
VI =VCC or GND;
VCC =6.0 V
--
1.0
-
1.0
A
ICC
supply current
VI =VCC or GND; IO =0A;
VCC =6.0 V
--
40
-
80
A
CI
input
capacitance
3.5
pF
74HCT74
VIH
HIGH-level
input voltage
VCC = 4.5 V to 5.5 V
2.0
1.6
-
2.0
-
V
VIL
LOW-level
input voltage
VCC = 4.5 V to 5.5 V
-
1.2
0.8
-
0.8
V




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