Datasheet

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

SDAS065B − DECEMBER 1982 − REVISED JANUARY 1995
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443
• HOUSTON, TEXAS 77251−1443
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54ALS576B
SN74ALS576B
SN74ALS577A
UNIT
PARAMETER
TEST CONDITIONS
MIN TYP
†
MAX MIN TYP
†
MAX
UNIT
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
= 4.5 V
I
OH
= −1 mA 2.4 3.3
V
V
OH
V
CC
= 4.5 V
I
OH
= −2.6 mA 2.4 3.2
V
V
OL
V
CC
= 4.5 V
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 10 18 10 18
I
CC
V
CC
= 5.5 V
Outputs low 15 24 15 24
mA
I
CC
V
CC
= 5.5 V
Outputs disabled 16 30 16 30
mA
†
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
(INPUT)
(OUTPUT)
SN54ALS576B SN74ALS576B SN74ALS577A
MIN MAX MIN MAX MIN MAX
f
max
22 30 30 MHz
t
PLH
CLK
Any Q
4 24 3 14 4 14
ns
t
PHL
CLK
Any Q
4 20 4 14 4 14
ns
t
PZH
OE
Any Q
4 24 3 18 4 18
ns
t
PZL
OE Any Q
3 23 4 18 4 18
ns
t
PHZ
OE
Any Q
2 14 1 10 2 10
ns
t
PLZ
OE
Any Q
3 29 2 15 3 15
ns
§
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.