Datasheet

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SDAS198B − APRIL 1982 − REVISED AUGUST 1995
3
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
SN54ALS109A SN74ALS109A
UNIT
PARAMETER
TEST CONDITIONS
MIN TYP
†
MAX MIN TYP
†
MAX
UNIT
V
IK
V
CC
= 4.5 V, I
I
= −18 mA −1.5 −1.5 V
V
OH
V
CC
= 4.5 V to 5.5 V, I
OH
= −0.4 mA V
CC
−2 V
CC
−2 V
V
OL
V
CC
= 4.5 V
I
OL
= 4 mA 0.25 0.4 0.25 0.4
V
V
OL
V
CC
= 4.5 V
I
OL
= 8 mA 0.35 0.5
V
I
I
CLK, J, or K
V
CC
= 5.5 V,
V
I
= 7 V
0.1 0.1
mA
I
I
PRE or CLR
V
CC
= 5.5 V, V
I
= 7 V
0.2 0.2
mA
I
IH
CLK, J, or K
V
CC
= 5.5 V,
V
I
= 2.7 V
20 20
A
I
IH
PRE or CLR
V
CC
= 5.5 V, V
I
= 2.7 V
40 40
µA
I
IL
CLK, J, or K
V
CC
= 5.5 V,
V
I
= 0.4 V
−0.2 −0.2
mA
I
IL
PRE or CLR
V
CC
= 5.5 V, V
I
= 0.4 V
−0.4 −0.4
mA
I
O
‡
V
CC
= 5.5 V, V
O
= 2.25 V −20 −112 −30 −112 mA
I
CC
V
CC
= 5.5 V, See Note 1 2.4 4 2.4 4 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
.
NOTE 1: I
CC
is measured with J, K
, CLK, and PRE grounded, then with J, K, CLK, and CLR grounded.
switching characteristics (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V
CC
= 4.5 V to 5.5 V,
C
L
= 50 pF,
R
L
= 500 Ω,
T
A
= MIN to MAX
§
UNIT
PARAMETER
(INPUT)
(OUTPUT)
SN54ALS109A SN74ALS109A
UNIT
MIN MAX MIN MAX
f
max
30 34 MHz
t
PLH
PRE or CLR
Q or Q
3 17 3 13
ns
t
PHL
PRE or CLR Q or Q
5 17 5 15
ns
t
PLH
CLK
Q or Q
5 21 5 16
ns
t
PHL
CLK
Q or Q
5 20 5 18
ns
§
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.