Datasheet

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SDAS217A − DECEMBER 1982 − REVISED DECEMBER 1994
5
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,
R
L
= 500 Ω
,
T
A
= MIN to MAX
†
UNIT
PARAMETER
(INPUT)
(OUTPUT)
SN54ALS259 SN74ALS259
UNIT
MIN MAX MIN MAX
t
PHL
CLR Any Q 2 15 2 12 ns
t
PLH
Data
Any Q
4 22 4 19
ns
t
PHL
Data Any Q
2 15 2 12
ns
t
PLH
Address
Any Q
4 26 4 22
ns
t
PHL
Address Any Q
2 15 2 12
ns
t
PLH
Execute
Any Q
4 22 4 20
ns
t
PHL
Execute
Any Q
2 16 2 13
ns
†
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.