Datasheet

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
V
CC
supply voltage 2.0 5.0 6.0 4.5 5.0 5.5 V
V
I
input voltage 0 - V
CC
0-V
CC
V
V
O
output voltage 0 - V
CC
0-V
CC
V
T
amb
ambient temperature 40 +25 +125 40 +25 +125 C
t/V input transition rise and fall rate V
CC
= 2.0 V - - 625 - - - ns/V
V
CC
= 4.5 V - 1.67 139 - 1.67 139 ns/V
V
CC
= 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 T
amb
= 40 C to +85 C T
amb
= 40 C to +125 C Unit
Min Typ
[1]
Max Min Max
74HC74
V
IH
HIGH-level
input voltage
V
CC
= 2.0 V 1.5 1.2 - 1.5 - V
V
CC
= 4.5 V 3.15 2.4 - 3.15 - V
V
CC
= 6.0 V 4.2 3.2 - 4.2 - V
V
IL
LOW-level
input voltage
V
CC
= 2.0 V - 0.8 0.5 - 0.5 V
V
CC
= 4.5 V - 2.1 1.35 - 1.35 V
V
CC
= 6.0 V - 2.8 1.8 - 1.8 V
V
OH
HIGH-level
output voltage
V
I
=V
IH
or V
IL
I
O
= 4.0 mA; V
CC
= 4.5 V 3.84 4.32 - 3.7 - V
I
O
= 5.2 mA; V
CC
= 6.0 V 5.34 5.81 - 5.2 - V
V
OL
LOW-level
output voltage
V
I
=V
IH
or V
IL
I
O
=4.0mA; V
CC
= 4.5 V - 0.15 0.33 - 0.4 V
I
O
=5.2mA; V
CC
= 6.0 V - 0.16 0.33 - 0.4 V
I
I
input leakage
current
V
I
=V
CC
or GND;
V
CC
=6.0V
--1.0 - 1.0 A
I
CC
supply current V
I
=V
CC
or GND; I
O
=0A;
V
CC
=6.0V
--40 - 80A
C
I
input
capacitance
3.5 pF
74HCT74
V
IH
HIGH-level
input voltage
V
CC
= 4.5 V to 5.5 V 2.0 1.6 - 2.0 - V
V
IL
LOW-level
input voltage
V
CC
= 4.5 V to 5.5 V - 1.2 0.8 - 0.8 V