IN556.PDF

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TECHNICAL DATA
IN556
Timing Circuit
The IN556 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
IN556N Plastic
IN556D SOIC
T A = -10
C for
all packages
LOGIC DIAGRAM
1
to 70
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IN556
MAXIMUM RATINGS *
Symbol
Parameter
Value
Unit
V CC
Supply Voltage
18
V
Tstg
Storage Temperature
-60 to +85
C
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Min
Max
Unit
V CC
Supply Voltage
4.5
16
V
T A
Operating Temperature, All Package Types
-10
+70
C
ELECTRICAL CHARACTERISTICS (T A =+25
C)
Symbol
Parameter
Test Conditions
Guaranteed Limits
Unit
Min
Max
I CC
Supply Current
V CC =5.0 V, R L =
12
30
mA
V CC =15 V, R L =
Timing Error
Ω
Initial Accuracy C = 0.1
to 100 k
4
%
F
V CC =5.0 V and V CC =15 V
V th
Threshold Voltage
V CC =5.0 V
V CC =15 V
2.6
9
4.0
11
V
V T
Trigger Voltage
V CC =5.0 V
V CC =15 V
1.1
4.5
2.2
5.6
V
I T
Trigger Current
V 06,08 =0 V, V CC =15 V
-2
A
V R
Reset Voltage
V CC =15 V
0.4
1.0
V
I R
Reset Current
V 04,10 =0 V, V CC =15 V
-0.6
mA
I th
Threshold Current (Note 1)
V 02,12 =10 V, V CC =15 V
0.25
A
I dis
Discharge Leakage Current
V CC =15 V, V 01,13 =15 V
100
nA
V REF
Control Voltage Level
V CC =15 V
V CC =5.0 V
9.0
2.6
11
4.0
V
V OL
Output Voltage Low
(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
V
0.25
0.75
2.3
0.35
V OH
Output Voltage High
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
12
12.75
2.75
V
t OLH
Rise Time of Output
V CC =15 V
300
ns
t OHL
Fall Time of Output
V CC =15 V
300
ns
Note 1. This will determine the maximum value of R A + R B for 15 V operation.
The maximum total R=20 M
.
2
R=1.0 k
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