SLC556
Timing Circuit
The SLC556 monolithic timing circuit is a highly stable controller
capable of producing accurate time delays, or oscillation.
•
•
•
Timing From Microseconds Through Hours
Operates in Both Astable and Monostable Modes
High Current Output Can Source or Sink 200 mA
PIN ASSIGNMENT
ORDERING INFORMATION
SLC556N Plastic
SLC556D SOIC
T
A
= -10° to 70° C for
all packages
LOGIC DIAGRAM
SLS
System Logic
Semiconductor
SLC556
MAXIMUM RATINGS
*
Symbol
V
CC
Tstg
Supply Voltage
Storage Temperature
Parameter
Value
18
-60 to +85
Unit
V
°C
RECOMMENDED OPERATING CONDITIONS
Symbol
V
CC
T
A
Supply Voltage
Operating Temperature, All Package Types
Parameter
Min
4.5
-10
Max
16
+70
Unit
V
°C
ELECTRICAL CHARACTERISTICS
(T
A
=+25°C)
Symbol
Parameter
Test Conditions
Guaranteed Limits
Min
I
CC
Supply Current
Timing Error
V
CC
=5.0 V, R
L
=∞
V
CC
=15 V, R
L
=∞
R=1.0 kΩ to 100 kΩ
Initial Accuracy C = 0.1
µF
V
CC
=5.0 V and V
CC
=15 V
V
CC
=5.0 V
V
CC
=15 V
V
CC
=5.0 V
V
CC
=15 V
V
06,08
=0 V, V
CC
=15 V
V
CC
=15 V
V
04,10
=0 V, V
CC
=15 V
V
02,12
=10 V, V
CC
=15 V
V
CC
=15 V, V
01,13
=15 V
V
CC
=15 V
V
CC
=5.0 V
(V
CC
=15 V)
I
sink
=10 mA,
I
sink
=50 mA,
I
sink
=100 mA,
V
CC
=5.0 V, I
sink
=5.0 mA
I
source
=200 mA,V
CC
=15 V
I
source
=100 mA, V
CC
=15 V
I
source
=100 mA, V
CC
=5.0 V
V
CC
=15 V
V
CC
=15 V
12
12.75
2.75
300
300
9.0
2.6
0.4
2.6
9
1.1
4.5
Max
12
30
4
mA
%
Unit
V
th
V
T
I
T
V
R
I
R
I
th
I
dis
V
REF
V
OL
Threshold Voltage
Trigger Voltage
Trigger Current
Reset Voltage
Reset Current
Threshold Current (Note 1)
Discharge Leakage Current
Control Voltage Level
Output Voltage Low
4.0
11
2.2
5.6
-2
1.0
-0.6
0.25
100
11
4.0
0.25
0.75
2.3
0.35
V
V
µA
V
mA
µA
nA
V
V
V
OH
Output Voltage High
V
t
OLH
t
OHL
Rise Time of Output
Fall Time of Output
ns
ns
Note 1. This will determine the maximum value of R
A
+ R
B
for 15 V operation.
The maximum total R=20 MΩ.
SLS
System Logic
Semiconductor
