74LVC109 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 5 — 29 November 2012 7 of 17
NXP Semiconductors
74LVC109
Dual JK flip-flop with set and reset; positive-edge trigger
[1] Typical values are measured at T
amb
=25C and V
CC
= 1.2 V, 1.8 V, 2.5 V, 2.7 V and 3.3 V respectively.
[2] t
pd
is the same as t
PLH
and t
PHL
.
[3] Skew between any two outputs of the same package switching in the same direction. This parameter is guaranteed by design.
t
W
pulse width clock HIGH or LOW; see Figure 5
V
CC
= 1.65 V to 1.95 V 5.0 - - 5.0 - ns
V
CC
= 2.3 V to 2.7 V 4.0 - - 4.0 - ns
V
CC
= 2.7 V 3.3 - - 3.3 - ns
V
CC
= 3.0 V to 3.6 V 3.3 2.0 - 3.3 - ns
set or reset HIGH or LOW; see Figure 6
V
CC
= 1.65 V to 1.95 V 5.0 - - 5.0 - ns
V
CC
= 2.3 V to 2.7 V 4.0 - - 4.0 - ns
V
CC
= 2.7 V 3.0 - - 3.0 - ns
V
CC
= 3.0 V to 3.6 V 3.0 - - 3.0 - ns
t
rec
recovery
time
nSD, nRD to nCP; see Figure 6
V
CC
= 1.65 V to 1.95 V 5.5 - - 5.5 - ns
V
CC
= 2.3 V to 2.7 V 4.0 - - 4.0 - ns
V
CC
= 2.7 V 3.2 - - 3.2 - ns
V
CC
= 3.0 V to 3.6 V 3.0 - - 3.0 - ns
t
su
set-up time nJ and nK to CP; see Figure 5
V
CC
= 1.65 V to 1.95 V 5.0 - - 5.0 - ns
V
CC
= 2.3 V to 2.7 V 3.5 - - 3.5 - ns
V
CC
= 2.7 V 2.7 - - 2.7 - ns
V
CC
= 3.0 V to 3.6 V 2.5 - - 2.5 - ns
t
h
hold time nJ and nK to nCP; see Figure 5
V
CC
= 1.65 V to 1.95 V 3.0 - - 3.0 - ns
V
CC
= 2.3 V to 2.7 V 2.5 - - 2.5 - ns
V
CC
= 2.7 V 2.2 - - 2.2 - ns
V
CC
= 3.0 V to 3.6 V 2.0 - - 2.0 - ns
f
max
maximum
frequency
see Figure 5
V
CC
= 1.65 V to 1.95 V 100 - - 80 - MHz
V
CC
= 2.3 V to 2.7 V 125 - - 100 - MHz
V
CC
= 2.7 V 150 - - 120 - MHz
V
CC
= 3.0 V to 3.6 V 150 330 - 120 - MHz
t
sk(o)
output skew
time
V
CC
= 3.0 V to 3.6 V
[3]
- - 1.0 - 1.5 ns
C
PD
power
dissipation
capacitance
V
I
=GNDtoV
CC
[4]
V
CC
= 1.65 V to 1.95 V - 11.4 - - - pF
V
CC
= 2.3 V to 2.7 V - 17.6 - - - pF
V
CC
= 3.0 V to 3.6 V - 23.1 - - - pF
Table 7. Dynamic characteristics
…continued
Voltages are referenced to GND (ground = 0 V). For test circuit see Figure 7.
Symbol Parameter Conditions 40 C to +85 C 40 C to +125 C Unit
Min Typ
[1]
Max Min Max