74LVT_LVTH574 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 7 — 22 November 2011 6 of 17
NXP Semiconductors
74LVT574; 74LVTH574
3.3 V octal D-type flip-flop; 3-state
[1] Typical values are measured at V
CC
= 3.3 V and T
amb
= 25 C.
[2] For valid test results, data must not be loaded into the flip-flops (or latches) after applying power.
[3] Unused pins at V
CC
or GND.
[4] This is the bus hold overdrive current required to force the input to the opposite logic state.
[5] This parameter is valid for any V
CC
between 0 V and 1.2 V with a transition time of up to 10 ms. From V
CC
= 1.2 V to V
CC
=3.3 V 0.3 V
a transition time of 100 s is permitted. This parameter is valid for T
amb
=25C only.
[6] I
CC
is measured with outputs pulled to V
CC
or GND.
[7] This is the increase in supply current for each input at the specified voltage level other than V
CC
or GND.
10. Dynamic characteristics
I
BHLO
bus hold LOW
overdrive current
V
CC
= 3.6 V; V
I
= 0 V to 3.6 V 500 - - A
I
O(pu/pd)
power-up/power-down
output current
V
CC
1.2 V; V
O
=0.5Vto V
CC
;
V
I
=GNDorV
CC
; OE = don’t care
[5]
-1100 A
I
OZ
OFF-state output current V
CC
=3.6V; V
I
=V
IH
or V
IL
output HIGH: V
O
=3.0V - 1 5 A
output LOW: V
O
=0.5V 51-A
I
CC
supply current V
CC
=3.6V; V
I
=GNDorV
CC
; I
O
=0A
outputs HIGH - 0.13 0.19 mA
outputs LOW - 3 12 mA
outputs disabled
[6]
- 0.13 0.19 mA
I
CC
additional supply current per input pin; V
CC
= 3 V to 3.6 V; one input
at V
CC
0.6 V and other inputs at V
CC
or
GND
[7]
-0.10.2mA
C
I
input capacitance V
I
= 0 V or 3.0 V - 4 - pF
C
O
output capacitance outputs disabled; V
O
= 0 V or 3.0 V - 8 - pF
Table 6. Static characteristics
…continued
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions T
amb
= 40 C to +85 C Unit
Min Typ
[1]
Max
Table 7. Dynamic characteristics
Voltages are referenced to ground (GND = 0 V); for test circuit see Figure 10
.
Symbol Parameter Conditions T
amb
= 40 C to +85 C Unit
Min Typ
[1]
Max
t
PLH
LOW to HIGH propagation delay CP to Qn; see Table 6
V
CC
= 3.0 V to 3.6 V 1.7 3.6 5.4 ns
V
CC
= 2.7 V - - 6.2 ns
t
PHL
HIGH to LOW propagation delay CP to Qn; see Table 6
V
CC
= 3.0 V to 3.6 V 2.4 4.3 5.9 ns
V
CC
= 2.7 V - - 6.6 ns
t
PZH
OFF-state to HIGH propagation delay OE to Qn; see Figure 7
V
CC
= 3.0 V to 3.6 V 1.0 2.9 4.8 ns
V
CC
= 2.7 V - - 5.9 ns