Datasheet
74LVC2G74 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 10 — 2 April 2013 10 of 25
NXP Semiconductors
74LVC2G74
Single D-type flip-flop with set and reset; positive edge trigger
[1] Typical values are measured at T
amb
=25C and V
CC
= 1.8 V, 2.5 V, 2.7 V, 3.3 V and 5.0 V respectively.
[2] t
pd
is the same as t
PLH
and t
PHL
.
[3] C
PD
is used to determine the dynamic power dissipation (P
D
in W).
P
D
=C
PD
V
CC
2
f
i
N+(C
L
V
CC
2
f
o
) where:
f
i
= input frequency in MHz;
f
o
= output frequency in MHz;
C
L
= output load capacitance in pF;
V
CC
= supply voltage in V;
N = number of inputs switching;
(C
L
V
CC
2
f
o
) = sum of outputs.
t
rec
recovery time SD or RD; see Figure 9
V
CC
= 1.65 V to 1.95 V 1.9 - - 1.9 - ns
V
CC
= 2.3 V to 2.7 V 1.4 - - 1.4 - ns
V
CC
= 2.7 V 1.3 - - 1.3 - ns
V
CC
= 3.0 V to 3.6 V +1.2 3.0 - +1.2 - ns
V
CC
= 4.5 V to 5.5 V 1.0 - - 1.0 - ns
t
su
set-up time D to CP; see Figure 8
V
CC
= 1.65 V to 1.95 V 2.9 - - 2.9 - ns
V
CC
= 2.3 V to 2.7 V 1.7 - - 1.7 - ns
V
CC
= 2.7 V 1.7 - - 1.7 - ns
V
CC
= 3.0 V to 3.6 V 1.3 0.5 - 1.3 - ns
V
CC
= 4.5 V to 5.5 V 1.1 - - 1.1 - ns
t
h
hold time D to CP; see Figure 8
V
CC
= 1.65 V to 1.95 V 1.5 - - 1.5 - ns
V
CC
= 2.3 V to 2.7 V 1.0 - - 1.0 - ns
V
CC
= 2.7 V 1.0 - - 1.0 - ns
V
CC
= 3.0 V to 3.6 V 1.0 0.6 - 1.0 - ns
V
CC
= 4.5 V to 5.5 V 1.0 - - 1.0 - ns
f
max
maximum
frequency
CP; see Figure 8
V
CC
= 1.65 V to 1.95 V 80 - - 80 - MHz
V
CC
= 2.3 V to 2.7 V 175 - - 175 - MHz
V
CC
= 2.7 V 175 - - 175 - MHz
V
CC
= 3.0 V to 3.6 V 175 280 - 175 - MHz
V
CC
= 4.5 V to 5.5 V 200 - - 200 - MHz
C
PD
power dissipation
capacitance
V
I
= GND to V
CC
;
V
CC
=3.3V
[3]
-15- - -pF
Table 9. Dynamic characteristics
…continued
Voltages are referenced to GND (ground = 0 V); for test circuit see Figure 10.
Symbol Parameter Conditions 40 C to +85 C 40 C to +125 C Unit
Min Typ
[1]
Max Min Max