Datasheet

SN54ABT574, SN74ABT574A
OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS
WITH 3-STATE OUTPUTS
SCBS191F − JANUARY 1991 − REVISED SEPTEMBER 2003
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
timing requirements over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (see Figure 1)
SN74ABT574A
V
CC
= 5 V,
T
A
= 25°C
MIN MAX
UNIT
MIN MAX
MIN
MAX
f
clock
Clock frequency 150 150 MHz
t
w
Pulse duration, CLK high or low 3.3 3.3 ns
t
Setup time data before CLK↑
High 1 1
ns
t
su
Setup time, data before CLK
↑
Low 1.5 1.5
ns
t
h
Hold time, data after CLK↑ High or low 1.8
†
1.8
†
ns
†
This data-sheet limit may vary among suppliers.
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature, C
L
= 50 pF (unless otherwise noted) (see Figure 1)
SN54ABT574
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V
CC
= 5 V,
T
A
= 25°C
MIN MAX
UNIT
(INPUT)
(OUTPUT)
MIN TYP MAX
MIN
MAX
f
max
150 200 150 MHz
t
PLH
CLK
Q
2.2 3.9 6.2 2.2 7
ns
t
PHL
CLK Q
3 4.8 7 3 7.4
ns
t
PZH
OE
Q
1 3.3 5 1 5.8
ns
t
PZL
OE
Q
2.5 4.7 5.9 2.5 7.2
ns
t
PHZ
OE
Q
2.4 4.9 6.2 2.4 7.2
ns
t
PLZ
OE
Q
2 4 5.8 2 6.9
ns
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature, C
L
= 50 pF (unless otherwise noted) (see Figure 1)
SN74ABT574A
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V
CC
= 5 V,
T
A
= 25°C
MIN MAX
UNIT
(INPUT)
(OUTPUT)
MIN TYP MAX
MIN
MAX
f
max
150 200 150 MHz
t
PLH
CLK
Q
2.2 3.9 6.2 2.2 6.8
ns
t
PHL
CLK Q
3 4.8 6.6 3 7.1
ns
t
PZH
OE
Q
1 3.3 4.3 1 5.1
ns
t
PZL
OE
Q
2.1
†
4.7 5.9 2.1
†
6.7
ns
t
PHZ
OE
Q
2.4 4.9 6.2 2.4 7
ns
t
PLZ
OE
Q
2 4 5.8 2 6.5
ns
†
This data-sheet limit may vary among suppliers.