Datasheet
SN54LV574A, SN74LV574A
OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS
WITH 3-STATE OUTPUTS
SCLS412I − APRIL 1998 − REVISED APRIL 2005
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
recommended operating conditions (see Note 5)
SN54LV574A SN74LV574A
UNIT
MIN MAX MIN MAX
UNIT
V
CC
Supply voltage 2 5.5 2 5.5 V
V
CC
= 2 V 1.5 1.5
V
High level input voltage
V
CC
= 2.3 V to 2.7 V V
CC
× 0.7 V
CC
× 0.7
V
V
IH
High-level input voltage
V
CC
= 3 V to 3.6 V V
CC
× 0.7 V
CC
× 0.7
V
V
CC
= 4.5 V to 5.5 V V
CC
× 0.7 V
CC
× 0.7
V
CC
= 2 V 0.5 0.5
V
Low level input voltage
V
CC
= 2.3 V to 2.7 V V
CC
× 0.3 V
CC
× 0.3
V
V
IL
Low-level input voltage
V
CC
= 3 V to 3.6 V V
CC
× 0.3 V
CC
× 0.3
V
V
CC
= 4.5 V to 5.5 V V
CC
× 0.3 V
CC
× 0.3
V
I
Input voltage 0 5.5 0 5.5 V
V
Output voltage
High or low state 0 V
CC
0 V
CC
V
V
O
Output voltage
3-state
0 5.5 0 5.5
V
V
CC
= 2 V −50 −50 μA
I
High level output current
V
CC
= 2.3 V to 2.7 V −2 −2
I
OH
High-level output current
V
CC
= 3 V to 3.6 V −8 −8
mA
V
CC
= 4.5 V to 5.5 V −16 −16
mA
V
CC
= 2 V 50 50 μA
I
Low level output current
V
CC
= 2.3 V to 2.7 V 2 2
I
OL
Low-level output current
V
CC
= 3 V to 3.6 V 8 8
mA
V
CC
= 4.5 V to 5.5 V 16 16
mA
V
CC
= 2.3 V to 2.7 V 200 200
Δt/Δv Input transition rise or fall rate
V
CC
= 3 V to 3.6 V 100 100
ns/V
Δt/Δv
Input
transition
rise
or
fall
rate
V
CC
= 4.5 V to 5.5 V 20 20
ns/V
T
A
Operating free-air temperature −55 125 −40 85 °C
NOTE 5: All unused inputs of the device must be held at V
CC
or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
V
SN54LV574A SN74LV574A
UNIT
PARAMETER TEST CONDITIONS
V
CC
MIN TYP MAX MIN TYP MAX
UNIT
I
OH
= −50 μA 2 V to 5.5 V V
CC
−0.1 V
CC
−0.1
V
I
OH
= −2 mA 2.3 V 2 2
V
V
OH
I
OH
= −8 mA 3 V 2.48 2.48
V
I
OH
= −16 mA 4.5 V 3.8 3.8
I
OL
= 50 μA 2 V to 5.5 V 0.1 0.1
V
I
OL
= 2 mA 2.3 V 0.4 0.4
V
V
OL
I
OL
= 8 mA 3 V 0.44 0.44
V
I
OL
= 16 mA 4.5 V 0.55 0.55
I
I
V
I
= 5.5 V or GND 0 to 5.5 V ±1 ±1 μA
I
OZ
V
O
= V
CC
or GND 5.5 V ±5 ±5 μA
I
CC
V
I
= V
CC
or GND, I
O
= 0 5.5 V 20 20 μA
I
off
V
I
or V
O
= 0 to 5.5 V 0 5 5 μA
C
i
V
I
= V
CC
or GND 3.3 V 1.8 1.8 pF
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