Datasheet

SN54ALS574B, SN54AS574, SN54AS575
SN74ALS574B, SN74ALS575A, SN74AS574, SN74AS575
OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS
SDAS165B – JUNE 1982 – REVISED JULY 1995
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER TEST CONDITIONS
SN54ALS574B
SN74ALS574B
SN74ALS575A
UNIT
MIN TYP
†
MAX MIN TYP
†
MAX
V
IK
V
CC
= 4.5 V, I
I
= –18 mA –1.2 –1.2 V
V
CC
= 4.5 V to 5.5 V, I
OH
= –0.4 mA V
CC
–2 V
CC
–2
V
OH
V
CC
=45V
I
OH
= –1 mA 2.4 3.3
V
V
CC
=
4
.
5
V
I
OH
= –2.6 mA 2.4 3.2
V
OL
V
CC
=45V
I
OL
= 12 mA 0.25 0.4 0.25 0.4
V
V
OL
V
CC
=
4
.
5
V
I
OL
= 24 mA 0.35 0.5
V
I
OZH
V
CC
= 5.5 V, V
O
= 2.7 V 20 20 µA
I
OZL
V
CC
= 5.5 V, V
O
= 0.4 V –20 –20 µA
I
I
V
CC
= 5.5 V, V
I
= 7 V 0.1 0.1 mA
I
IH
V
CC
= 5.5 V, V
I
= 2.7 V 20 20 µA
I
IL
V
CC
= 5.5 V, V
I
= 0.4 V –0.2 –0.2 mA
I
O
‡
V
CC
= 5.5 V, V
O
= 2.25 V –20 –112 –30 –112 mA
Outputs high 11 18 11 18
′ALS574B V
CC
= 5.5 V
Outputs low 17 27 17 27
I
CC
Outputs disabled 17 28 17 28
mA
I
CC
Outputs high 10 17 10 17
mA
SN74ALS575A V
CC
= 5.5 V
Outputs low 15 24 15 24
Outputs disabled 16 30 16 30
†
All typical values are at V
CC
= 5 V, T
A
= 25°C.
‡
The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, I
OS
.
switching characteristics (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V
CC
= 4.5 V to 5.5 V,
C
L
= 50 pF,
R1 = 500 Ω
,
R2 = 500 Ω,
T
A
= MIN to MAX
§
UNIT
SN54ALS574B SN74ALS574B SN74ALS575A
MIN MAX MIN MAX MIN MAX
f
max
28 35 30 MHz
t
PLH
CLK
Q
4 22 3 14 4 14
ns
t
PHL
CLK
Q
4 17 4 14 4 14
ns
t
PZH
OE
Q
4 21 3 18 4 18
ns
t
PZL
OE
Q
4 26 4 18 4 18
ns
t
PHZ
OE
Q
2 16 1 10 2 10
ns
t
PLZ
OE
Q
2 25 2 12 3 13
ns
§
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.