Datasheet

TLC556, TLC556Y
DUAL LinCMOS TIMERS
SLFS047B – FEBRUARY 1984 – REVISED SEPTEMBER 1997
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics at specified free-air temperature, V
DD
= 5 V
PARAMETER
TEST
T
A
†
TLC556C TLC556I TLC556M
UNIT
PARAMETER
CONDITIONS
T
A
†
MIN TYP MAX MIN TYP MAX MIN TYP MAX
UNIT
V
Input threshold
25°C 2.8 3.3 3.8 2.8 3.3 3.8 2.8 3.3 3.8
V
V
IT
voltage
Full range 2.7 3.9 2.7 3.9 2.7 3.9
V
Threshold current
25°C 10 10 10
pA
Th
res
h
o
ld
curren
t
MAX 75 150 5000
p
A
V
()
Trigger voltage
25°C 1.36 1.66 1.96 1.36 1.66 1.96 1.36 1.66 1.96
V
V
(trigger)
T
r
i
gger vo
lt
age
Full range 1.26 2.06 1.26 2.06 1.26 2.06
V
I
(i )
Trigger current
25°C 10 10 10
pA
I
(trigger)
T
r
i
gger curren
t
MAX 75 150 5000
p
A
V
()
Reset voltage
25°C 0.4 1.1 1.5 0.4 1.1 1.5 0.4 1.1 1.5
V
V
(reset)
R
ese
t
vo
lt
age
Full range 0.3 1.8 0.3 1.8 0.3 1.8
V
I
()
Reset current
25°C 10 10 10
pA
I
(reset)
R
ese
t
curren
t
MAX 75 150 5000
p
A
Control voltage (open
circuit) as a
percentage of supply
voltage
MAX 66.7% 66.7% 66.7%
Discharge switch
I
O
10 mA
25°C 0.15 0.5 0.15 0.5 0.15 0.5
V
g
on-state voltage
I
OL
=
10
m
A
Full range 0.6 0.6 0.6
V
Discharge switch
25°C 0.1 0.1 0.1
nA
g
off-state current
MAX 0.5 2 120
n
A
V
O
High-level output
I
O
1mA
25°C 4.1 4.8 4.1 4.8 4.1 4.8
V
V
OH
g
voltage
I
OH
= –
1
m
A
Full range 4.1 4.1 4.1
V
I
O
8mA
25°C 0.21 0.4 0.21 0.4 0.21 0.4
I
OL
=
8
m
A
Full range 0.5 0.5 0.6
V
O
Low-level output
I
O
5mA
25°C 0.13 0.3 0.13 0.3 0.13 0.3
V
V
OL
voltage
I
OL
=
5
m
A
Full range 0.4 0.4 0.45
V
I
O
32mA
25°C 0.08 0.3 0.08 0.3 0.08 0.3
I
OL
=
3
.
2
m
A
Full range 0.35 0.35 0.4
I
DD
Su
pp
ly current
See Note 2
25°C 340 700 340 700 340 700
µA
I
DD
Supply
current
See
Note
2
Full range 1000 1200 1400
µA
†
Full range is 0
°C to 70°C for TLC556C, –40°C to 85°C for TLC556I, and –55°C to 125°C for TLC556M.
NOTE 2: These values apply for the expected operating configurations in which THRES is connected directly to DISCH or to TRIG.