Datasheet
SCAS499A − DECEMBER 1986 − REVISED APRIL 1996
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443
• HOUSTON, TEXAS 77251−1443
timing requirements over recommended operating free-air temperature range,
V
CC
= 3.3 V ± 0.3 V (see Figure 1)
T
A
= 25°C
MIN
MAX
UNIT
MIN MAX
MIN
MAX
UNIT
f
clock
Clock frequency 0 100 0 100 MHz
t
w
Pulse duration
PRE or CLR low 4 4
ns
t
w
Pulse duration
CLK low or high
5 5
ns
t
su
Setup time before CLK↑
Data high or low 5 5
ns
t
su
Setup time before CLK↑
PRE
or CLR inactive 1 1
ns
t
h
Hold time after CLK↑ 0 0 ns
timing requirements over recommended operating free-air temperature range,
V
CC
= 5 V ± 0.5 V (see Figure 1)
T
A
= 25°C
MIN
MAX
UNIT
MIN MAX
MIN
MAX
UNIT
f
clock
Clock frequency 0 125 0 125 MHz
t
w
Pulse duration
PRE or CLR low 4 4
ns
t
w
Pulse duration
CLK low or CLK high
4 4
ns
t
su
Setup time before CLK↑
Data high or low 3.5 3.5
ns
t
su
Setup time before CLK↑
PRE
or CLR inactive 1 1
ns
t
h
Hold time after CLK↑ 0 0 ns
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
T
A
= 25°C
MIN
MAX
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
MIN TYP MAX
MIN
MAX
UNIT
f
max
100 125 100 MHz
t
PLH
PRE or CLR
Q or Q
1.5 5.8 9.3 1.5 10
ns
t
PHL
PRE or CLR Q or Q
1.5 6.5 11.4 1.5 12.2
ns
t
PLH
CLK
Q or Q
1.5 7.7 10.5 1.5 11.3
ns
t
PHL
CLK Q or Q
1.5 7.3 9.7 1.5 10.6
ns
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
T
A
= 25°C
MIN
MAX
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
MIN TYP MAX
MIN
MAX
UNIT
f
max
125 150 125 MHz
t
PLH
PRE or CLR
Q or Q
1.5 4.2 6.6 1.5 7.1
ns
t
PHL
PRE or CLR Q or Q
1.5 4.7 8.2 1.5 9
ns
t
PLH
CLK
Q or Q
1.5 5.4 7.5 1.5 8.2
ns
t
PHL
CLK Q or Q
1.5 5 6.9 1.5 7.5
ns
operating characteristics, V
CC
= 5 V, T
A
= 25°C
PARAMETER TEST CONDITIONS TYP UNIT
C
pd
Power dissipation capacitance C
L
= 50 pF, f = 1 MHz 30 pF