Datasheet

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     
  
SDAS124C − APRIL 1982 − REVISED AUGUST 1996
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443
• HOUSTON, TEXAS 77251−1443
switching characteristics (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V
CC
= 4.5 V to 5.5 V,
C
L
= 50 pF,
R1 = 500 Ω,
R2 = 500 Ω,
T
A
= MIN to MAX
†
UNIT
(INPUT)
(OUTPUT)
SN74AS257
MIN MAX
t
PLH
A or B
Any Y
1 5.5
ns
t
PHL
A or B Any Y
1 6
ns
t
PLH
A/B
Any Y
2 11
ns
t
PHL
A/B
Any Y
2 10
ns
t
PZH
OE
Any Y
2 7.5
ns
t
PZL
OE
Any Y
2 9.5
ns
t
PHZ
OE
Any Y
1.5 6.5
ns
t
PLZ
OE
Any Y
2 7
ns
switching characteristics (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V
CC
= 4.5 V to 5.5 V,
C
L
= 50 pF,
R1 = 500 Ω,
R2 = 500 Ω,
T
A
= MIN to MAX
†
UNIT
(INPUT)
(OUTPUT)
SN74AS258
MIN MAX
t
PLH
A or B
Any Y
1 5
ns
t
PHL
A or B Any Y
1 4
ns
t
PLH
A/B
Any Y
2 9.5
ns
t
PHL
A/B
Any Y
2 10
ns
t
PZH
OE
Any Y
2 8
ns
t
PZL
OE
Any Y
2 10
ns
t
PHZ
OE
Any Y
1.5 6
ns
t
PLZ
OE
Any Y
2 6.5
ns
†
For conditions shown MIN or MAX, use the appropriate value specified under recommended operating conditions.