74HC174 查看數據表（PDF） - NXP Semiconductors.
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74HC174 Datasheet PDF : 18 Pages
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NXP Semiconductors
74HC174; 74HCT174
Hex D-type flip-flop with reset; positive-edge trigger
Table 6. Static characteristics …continued
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
CI
input
capacitance
- 3.5 -
-
-
-
- pF
74HCT174
VIH
HIGH-level
VCC = 4.5 V to 5.5 V
input voltage
2.0 1.6 -
2.0
-
2.0
-V
VIL
LOW-level
VCC = 4.5 V to 5.5 V
input voltage
- 1.2 0.8
-
0.8
-
0.8 V
VOH
HIGH-level
VI = VIH or VIL; VCC = 4.5 V
output voltage
IO = 20 A
4.4 4.5 -
4.4
-
4.4
-V
IO = 4.0 mA
3.98 4.32 - 3.84
-
3.7
-V
VOL
LOW-level
VI = VIH or VIL; VCC = 4.5 V
output voltage
IO = 20 A; VCC = 4.5 V
-
0 0.1
-
0.1
-
0.1 V
IO = 5.2 mA; VCC = 5.5 V
- 0.15 0.26
-
0.33
-
0.4 V
II
input leakage VI = VCC or GND;
current
VCC = 5.5 V
-
- 0.1 -
1
-
1 A
ICC
supply current VI = VCC or GND; IO = 0 A;
-
- 8.0
-
80
-
160 A
VCC = 5.5 V
ICC
additional
supply current
per input pin;
VI = VCC 2.1 V;
other inputs at VCC or GND;
VCC = 4.5 V to 5.5 V
Dn input
- 25 90
-
112.5
-
122.5 A
CP input
- 130 468
-
585
-
637 A
MR input
- 125 450
-
562.5
-
612.5 A
CI
input
capacitance
- 3.5 -
-
-
-
- pF
10. Dynamic characteristics
Table 7. Dynamic characteristics
GND (ground = 0 V); CL = 50 pF unless otherwise specified; for test circuit, see Figure 9
Symbol Parameter
Conditions
25 C
40 C to +85 C 40 C to +125 C Unit
Min Typ Max Min Max
Min
Max
74HC174
tpd
propagation
CP to Qn; see Figure 7 [1]
delay
VCC = 2.0 V
- 55 165 -
205
-
250 ns
VCC = 4.5 V
- 20 33
-
41
-
50 ns
VCC = 5.0 V; CL = 15 pF
- 17 -
-
-
-
- ns
VCC = 6.0 V
- 16 28
-
35
-
43 ns
74HC_HCT174
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 16 April 2013
© NXP B.V. 2013. All rights reserved.
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