74AHC74BQ 查看數據表（PDF） - Nexperia B.V. All rights reserved
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74AHC74BQ
Nexperia B.V. All rights reserved
74AHC74BQ Datasheet PDF : 15 Pages
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Nexperia
74AHC74; 74AHCT74
Dual D-type flip-flop with set and reset; positive-edge trigger
Symbol Parameter Conditions
ΔICC
CI
additional
supply current
input
capacitance
per input pin; VI = VCC - 2.1 V;
other pins at VCC or GND;
IO = 0 A; VCC = 4.5 V to 5.5 V
VI = VCC or GND
25 °C
Min Typ Max
-
-
1.35
-40 °C to
+85 °C
Min Max
-
1.5
-40 °C to Unit
+125 °C
Min Max
-
1.5 mA
-
3
10
-
10
-
10 pF
10. Dynamic characteristics
Table 7. Dynamic characteristics
Voltages are referenced to GND (ground = 0 V); for test circuit, see Fig. 9.
Symbol Parameter Conditions
25 °C
Min Typ [1] Max
74AHC74
tpd
propagation nCP to nQ, nQ; see Fig. 7
[2]
delay
VCC = 3.0 V to 3.6 V; CL = 15 pF
-
5.2 11.9
VCC = 3.0 V to 3.6 V; CL = 50 pF
-
7.4 15.4
VCC = 4.5 V to 5.5 V; CL = 15 pF
-
3.7 7.3
VCC = 4.5 V to 5.5 V; CL = 50 pF
-
5.2 9.3
nSD, nRD to nQ, nQ; see Fig. 8
VCC = 3.0 V to 3.6 V; CL = 15 pF
-
5.4 12.3
VCC = 3.0 V to 3.6 V; CL = 50 pF
-
7.7 15.8
VCC = 4.5 V to 5.5 V; CL = 15 pF
VCC = 4.5 V to 5.5 V; CL = 50 pF
fmax
maximum see Fig. 7
frequency
VCC = 3.0 V to 3.6 V; CL = 15 pF
VCC = 3.0 V to 3.6 V; CL = 50 pF
VCC = 4.5 V to 5.5 V; CL = 15 pF
VCC = 4.5 V to 5.5 V; CL = 50 pF
tW
pulse width CP HIGH or LOW; nSD, nRD LOW;
see Fig. 7 and Fig. 8
-
3.7 7.7
-
5.3 9.7
80 125
-
50 75
-
130 170
-
90 115
-
VCC = 3.0 V to 3.6 V
VCC = 4.5 V to 5.5 V
tsu
set-up time nD to nCP; see Fig. 7
VCC = 3.0 V to 3.6 V
VCC = 4.5 V to 5.5 V
6.0
-
-
5.0
-
-
6.0
-
-
5.0
-
-
th
hold time nD to nCP; see Fig. 7
VCC = 3.0 V to 3.6 V
0.5
-
-
VCC = 4.5 V to 5.5 V
0.5
-
-
-40 °C to
+85 °C
Min Max
1.0 14.0
1.0 17.5
1.0 8.5
1.0 10.5
1.0 14.5
1.0 18.0
1.0 9.0
1.0 11.0
70
-
45
-
110 -
75
-
7.0 -
5.0 -
7.0 -
5.0 -
0.5 -
0.5 -
-40 °C to Unit
+125 °C
Min Max
1.0 15.0 ns
1.0 19.5 ns
1.0 9.5 ns
1.0 12.0 ns
1.0 15.5 ns
1.0 20.0 ns
1.0 10.0 ns
1.0 12.5 ns
70
- MHz
45
- MHz
110 - MHz
75
- MHz
7.0 - ns
5.0 - ns
7.0 - ns
5.0 - ns
0.5 - ns
0.5 - ns
74AHC_AHCT74
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 8 — 22 April 2020
© Nexperia B.V. 2020. All rights reserved
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