Philips Semiconductors
Product specification
74ALS573B/74ALS574A
Latch/flip-flop
1991 Feb 08
6
DC ELECTRICAL CHARACTERISTICS
(Over recommended operating free-air temperature range unless otherwise noted.)
SYMBOL
PARAMETER
TEST CONDITIONS
1
LIMITS
UNIT
MIN
TYP
2
MAX
V
OH
High level output voltage
High-level output voltage
V
=
±
10%,
= MAX,
CC
V
IH
= MIN
I
OH
= –0.4mA
V
CC
– 2
V
IL
I
OH
= MAX
2.4
3.2
V
V
OL
Low level output voltage
Low-level output voltage
V
= MIN, V
= MAX,
CC
V
IH
= MIN
I
OL
= 12mA
0.25
0.40
V
IL
I
OL
= 24mA
0.35
0.50
V
V
IK
Input clamp voltage
V
CC
= MIN, I
I
= I
IK
–0.73
–1.2
V
I
I
Input current at minimum input voltage
V
CC
= MAX, V
I
= 7.0V
0.1
mA
I
IH
High-level input current
V
CC
= MAX, V
I
= 2.7V
20
μ
A
I
IL
Low level input current
Low-level input current
74ALS573B
V
CC
= MAX, V
I
= 0.4V
–0.1
mA
74ALS574A
V
CC
= MAX, V
I
= 0.4V
–0.2
mA
I
OZH
Off-state output current,
High-level voltage applied
V
CC
= MAX, V
I
= 2.7V
20
μ
A
I
OZL
Off-state output current,
Low-level voltage applied
V
CC
= MAX, V
I
= 0.4V
–20
μ
A
I
O
Output current
3
V
CC
= MAX, V
O
= 2.25V
–30
–112
mA
I
CCH
7
12
mA
74ALS573B
I
CCL
V
CC
= MAX
13
21
mA
I
CC
Supply current (total)
I
CCZ
15
24
mA
I
CCH
10
16
mA
74ALS574A
I
CCL
V
CC
= MAX
17
27
mA
I
CCZ
18
28
mA
NOTES:
1. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable type.
2. All typical values are at V
CC
= 5V, T
amb
= 25
°
C.
3. The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, I
OS
.