Datasheet

 
  
 
SCLS399J − 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 SN54LV273A SN74LV273A
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN TYP MAX MIN MAX MIN MAX
UNIT
f
max
C
L
= 15 pF 75* 140* 65* 65
MHz
f
max
C
L
= 50 pF 50 110 45 45
MHz
t
pd
CLK Q
C
L
= 15 pF
7.1* 13.6* 1* 16* 1 16
ns
t
PHL
CLR Q
C
L
= 15 pF
6.9* 13.6* 1* 16* 1 16
ns
t
pd
CLK Q 9.1 17.1 1 19.5 1 19.5
t
PHL
CLR Q
C
L
= 50 pF
8.7 17.1 1 19.5 1 19.5
ns
t
sk(o)
C
L
= 50 pF
1.5 1.5
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 SN54LV273A SN74LV273A
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN TYP MAX MIN MAX MIN MAX
UNIT
f
max
C
L
= 15 pF 120* 205* 100* 100
MHz
f
max
C
L
= 50 pF 80 160 70 70
MHz
t
pd
CLK Q
C
L
= 15 pF
4.8* 9* 1* 10.5* 1 10.5
ns
t
PHL
CLR Q
C
L
= 15 pF
4.7* 8.5* 1* 10* 1 10
ns
t
pd
CLK Q 6.2 11 1 12.5 1 12.5
t
PHL
CLR Q
C
L
= 50 pF
6 10.5 1 12 1 12
ns
t
sk(o)
C
L
= 50 pF
1 1
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
SN74LV273A
UNIT
PARAMETER
MIN TYP MAX
UNIT
V
OL(P)
Quiet output, maximum dynamic V
OL
0.4 0.8 V
V
OL(V)
Quiet output, minimum dynamic V
OL
−0.4 −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
pd
Power dissipation capacitance
C
L
= 50 pF,
f = 10 MHz
3.3 V 15.9
pF
C
pd
Power dissipation capacitance
C
L
= 50 pF,
f = 10 MHz
5 V 17.1
pF
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