Datasheet
SN54LV374A, SN74LV374A
OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS
WITH 3-STATE OUTPUTS
SCLS408H − APRIL 1998 − REVISED APRIL 2005
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
timing requirements over recommended operating free-air temperature range, V
CC
= 2.5 V ± 0.2 V
(unless otherwise noted) (see Figure 1)
T
A
= 25°C SN54LV374A SN74LV374A
UNIT
MIN MAX MIN MAX MIN MAX
UNIT
t
w
Pulse duration, CLK high or low 6 7 7 ns
t
su
Setup time, data before CLK↑
5 5.5 5.5 ns
t
h
Hold time, data after CLK↑ 2.5 2.5 2.5 ns
timing requirements over recommended operating free-air temperature range, V
CC
= 3.3 V ± 0.3 V
(unless otherwise noted) (see Figure 1)
T
A
= 25°C SN54LV374A SN74LV374A
UNIT
MIN MAX MIN MAX MIN MAX
UNIT
t
w
Pulse duration, CLK high or low 5 5.5 5.5 ns
t
su
Setup time, data before CLK↑
4.5 4.5 4.5 ns
t
h
Hold time, data after CLK↑ 2 2 2 ns
timing requirements over recommended operating free-air temperature range, V
CC
= 5 V ± 0.5 V
(unless otherwise noted) (see Figure 1)
T
A
= 25°C SN54LV374A SN74LV374A
UNIT
MIN MAX MIN MAX MIN MAX
UNIT
t
w
Pulse duration, CLK high or low 5 5 5 ns
t
su
Setup time, data before CLK↑
3 3 3 ns
t
h
Hold time, data after CLK↑ 2 2 2 ns
switching characteristics over recommended operating free-air temperature range,
V
CC
= 2.5 V ± 0.2 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM TO LOAD
T
A
= 25°C SN54LV374A SN74LV374A
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN TYP MAX MIN MAX MIN MAX
UNIT
f
C
L
= 15 pF 60* 105* 50* 50
MHz
f
max
C
L
= 50 pF 50 85 40 40
MHz
t
pd
CLK Q 9.7* 16.3* 1* 19* 1 19
t
en
OE
Q
C
L
= 15 pF
8.9* 15.9* 1* 19* 1 19
ns
t
dis
OE
Q
L
p
6.3* 12.6* 1* 15* 1 15
t
pd
CLK Q 11.8 19.3 1 23 1 23
t
en
OE
Q
C =50pF
10.9 18.8 1 22 1 22
ns
t
dis
OE
Q
C
L
= 50 pF
8.2 17.3 1 19 1 19
ns
t
sk(o)
2 2
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.