Datasheet

 
   
SCES226I − APRIL 1999 − REVISED MAY 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 SN54LV4040A SN74LV4040A
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN TYP MAX MIN MAX MIN MAX
UNIT
f
max
C
L
= 15 pF 75* 160* 75* 75
MHz
f
max
C
L
= 50 pF 55 130 50 50
MHz
t
PLH
CLK
Q
A
C
L
= 15 pF
6.1* 11.9* 1* 14* 1 14
ns
t
PHL
CLK Q
A
C
L
= 15 pF
6.1* 11.9* 1* 14* 1 14
ns
t
PHL
CLR
Any Q
C
L
= 15 pF 7.1* 12.8* 1* 15* 1 15 ns
t
PLH
CLK
Q
A
C
L
= 50 pF
7.5 15.4 1 17.5 1 17.5
ns
t
PHL
CLK Q
A
C
L
= 50 pF
7.5 15.4 1 17.5 1 17.5
ns
t
PHL
CLR
Any Q
C
L
= 50 pF 9 16.3 1 18.5 1 18.5 ns
∆t
pd
Q
n
Q
n+1
C
L
= 50 pF 1.2 4.4 5 5 ns
* 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 SN54LV4040A SN74LV4040A
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN TYP MAX MIN MAX MIN MAX
UNIT
f
max
C
L
= 15 pF 150* 235* 125* 125
MHz
f
max
C
L
= 50 pF 95 185 80 80
MHz
t
PLH
CLK
Q
A
C
L
= 15 pF
4.2* 7.3* 1* 8.5* 1 8.5
ns
t
PHL
CLK Q
A
C
L
= 15 pF
4.2* 7.3* 1* 8.5* 1 8.5
ns
t
PHL
CLR
Any Q
C
L
= 15 pF 5.3* 8.6* 1* 10* 1 10 ns
t
PLH
CLK
Q
A
C
L
= 50 pF
5.3 9.3 1 10.5 1 10.5
ns
t
PHL
CLK Q
A
C
L
= 50 pF
5.3 9.3 1 10.5 1 10.5
ns
t
PHL
CLR
Any Q
C
L
= 50 pF 6.8 10.6 1 12 1 12 ns
∆t
pd
Q
n
Q
n+1
C
L
= 50 pF 0.8 3.1 3.5 3.5 ns
* 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
SN74LV4040A
UNIT
PARAMETER
MIN TYP MAX
UNIT
V
OL(P)
Quiet output, maximum dynamic V
OL
0.5 0.8 V
V
OL(V)
Quiet output, minimum dynamic V
OL
−0.5 −0.8 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
pd
Power dissipation capacitance
C
L
= 50 pF,
f = 10 MHz
3.3 V 11.9
pF
C
pd
Power dissipation capacitance
C
L
= 50 pF,
f = 10 MHz
5 V 13.1
pF
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