Datasheet
SN54LV374A, SN74LV374A
OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS
WITH 3-STATE OUTPUTS
SCLS408H − APRIL 1998 − REVISED APRIL 2005
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range,
V
CC
= 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM TO LOAD
T
A
= 25°C SN54LV374A SN74LV374A
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN TYP MAX MIN MAX MIN MAX
UNIT
f
C
L
= 15 pF 80* 150* 70* 70
MHz
f
max
C
L
= 50 pF 55 110 50 50
MHz
t
pd
CLK Q 6.8* 12.7* 1* 15* 1 15
t
en
OE
Q
C
L
= 15 pF
6.3* 11* 1* 13* 1 13
ns
t
dis
OE
Q
L
p
4.7* 10.5* 1* 12.5* 1 12.5
t
pd
CLK Q 8.3 16.2 1 18.5 1 18.5
t
en
OE
Q
C =50pF
7.7 14.5 1 16.5 1 16.5
ns
t
dis
OE
Q
C
L
= 50 pF
5.9 14 1 16 1 16
ns
t
sk(o)
1.5 1.5
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
switching characteristics over recommended operating free-air temperature range,
V
CC
= 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM TO LOAD
T
A
= 25°C SN54LV374A SN74LV374A
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN TYP MAX MIN MAX MIN MAX
UNIT
f
C
L
= 15 pF 130* 205* 110* 110
MHz
f
max
C
L
= 50 pF 85 170 75 75
MHz
t
pd
CLK Q 4.9* 8.1* 1* 9.5* 1 9.5
t
en
OE
Q
C
L
= 15 pF
4.6* 7.6* 1* 9* 1 9
ns
t
dis
OE
Q
L
p
3.4* 6.8* 1* 8* 1 8
t
pd
CLK Q 5.9 10.1 1 11.5 1 11.5
t
en
OE
Q
C =50pF
5.5 9.6 1 11 1 11
ns
t
dis
OE
Q
C
L
= 50 pF
4 8.8 1 10 1 10
ns
t
sk(o)
1 1
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
noise characteristics, V
CC
= 3.3 V, C
L
= 50 pF, T
A
= 25°C (see Note 6)
PARAMETER
SN74LV374A
UNIT
PARAMETER
MIN TYP MAX
UNIT
V
OL(P)
Quiet output, maximum dynamic V
OL
0.6 0.8 V
V
OL(V)
Quiet output, minimum dynamic V
OL
−0.5 −0.8 V
V
OH(V)
Quiet output, minimum dynamic V
OH
2.9 V
V
IH(D)
High-level dynamic input voltage 2.31 V
V
IL(D)
Low-level dynamic input voltage 0.99 V
NOTE 6: Characteristics are for surface-mount packages only.
operating characteristics, T
A
= 25°C
PARAMETER TEST CONDITIONS V
CC
TYP UNIT
C
Power dissipation capacitance
Outputs enabled
C =50pF
f = 10 MHz
3.3 V 21.1
pF
C
pd
Power dissipation capacitance Outputs enabled C
L
= 50 pF, f = 10 MHz
5 V 22.8
pF
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design phase of development. Characteristic data and other
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change or discontinue these products without notice.