Datasheet

SN54ABT374, SN74ABT374A
OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS
WITH 3-STATE OUTPUTS
SCBS111G – FEBRUARY 1991 – REVISED JANUARY 1997
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)
SN74ABT374A
V
CC
= 5 V,
T
A
= 25°C
MIN MAX
UNIT
MIN MAX
f
clock
Clock frequency 0 150 0 150 MHz
t
w
Pulse duration CLK high or low 3.3 3.3 ns
t
Setup time before CLK↑
Data high 1 1
ns
t
su
S
e
t
up
ti
me
b
e
f
ore
CLK↑
Data low 1.9 1.9
ns
t
h
Hold time after CLK↑ Data high or low 2.1
†
2.1
†
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)
SN54ABT374
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V
CC
= 5 V,
T
A
= 25°C
MIN MAX
UNIT
MIN TYP MAX
f
max
150 200 150 MHz
t
PLH
CLK
Q
2.2 4.2 5.7 1.8 6.6
ns
t
PHL
CLK
Q
3.1 5.1 6.6 2.6 7.6
ns
t
PZH
OE
Q
1.2 3.2 4.7 0.8 5.7
ns
t
PZL
OE
Q
2.3 4.7 6.2 1.5 7.2
ns
t
PHZ
OE
Q
2.3 4.5 6.1 1.3 7.2
ns
t
PLZ
OE
Q
1.9 4.5 6 1 7
ns
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature, C
L
= 50 pF (unless otherwise noted) (see Figure 1)
SN74ABT374A
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V
CC
= 5 V,
T
A
= 25°C
MIN MAX
UNIT
MIN TYP MAX
f
max
150 200 150 MHz
t
PLH
CLK
Q
2.2 4.2 5.7 2.2 6.2
ns
t
PHL
CLK
Q
3.1 5.1 6.6 3.1 7.1
ns
t
PZH
OE
Q
1.2 3.2 4.7 1.2 5.2
ns
t
PZL
OE
Q
2.7 4.7 6.2 2.7 6.7
ns
t
PHZ
OE
Q
2.5 4.5 6 2.5 6.7
†
ns
t
PLZ
OE
Q
2 4.5 6 2 6.5
ns
†
This data sheet limit may vary among suppliers.