Philips Semiconductors Linear Products
Product specification
Quad timer
NE558
DESCRIPTION
The 558 Quad Timers are monolithic timing devices which can be
used to produce four independent timing functions. The 558 output
sinks current. These highly stable, general purpose controllers can
be used in a monostable mode to produce accurate time delays;
from microseconds to hours. In the time delay mode of operation,
the time is precisely controlled by one external resistor and one
capacitor. A stable operation can be achieved by using two of the
four timer sections.
The four timer sections in the 558 are edge-triggered; therefore,
when connected in tandem for sequential timing applications, no
coupling capacitors are required. Output current capability of 100mA
is provided in both devices.
PIN CONFIGURATION
D
1
, N Packages
OUTPUT A
1
OUTPUT
STAGE
ff
ff
OUTPUT
STAGE
16
OUTPUT D
TIMING A
2
V
R
V
R
COMP
COMP
15
TIMING D
TRIGGER A
3
14
TRIGGER D
CONTROL
VOLTAGE
V
CC
4
R1
5
V
R
R2
13
RESET
FEATURES
12
COMP
COMP
GROUND
鈥?/div>
100mA output current per section
鈥?/div>
Edge-triggered (no coupling capacitor)
鈥?/div>
Output independent of trigger conditions
鈥?/div>
Wide supply voltage range 4.5V to 16V
鈥?/div>
Timer intervals from microseconds to hours
鈥?/div>
Time period equals RC
鈥?/div>
Military qualifications pending
APPLICATIONS
TRIGGER B
6
V
R
11
V
R
10
TRIGGER C
OUTPUT
7
ff
ff
OUTPUT
STAGE
TIMING C
OUTPUT
8
OUTPUT
STAGE
9
OUTPUT C
TOP VIEW
NOTE:
1. SOL released in large SO package only.
鈥?/div>
Sequential timing
鈥?/div>
Time delay generation
鈥?/div>
Precision timing
鈥?/div>
Industrial controls
鈥?/div>
Quad one-shot
ORDERING INFORMATION
DESCRIPTION
16-Pin Plastic Small Outline Large (SOL) Package
16-Pin Plastic Dual In-Line Package (DIP)
TEMPERATURE RANGE
0 to +70擄C
0 to +70擄C
ORDER CODE
NE558D
NE558N
DWG #
0171B
0406C
ABSOLUTE MAXIMUM RATINGS
SYMBOL
V
CC
P
D
Supply voltage
Maximum power dissipation
T
A
=25擄C ambient (still-air)
1
N package
D package
T
A
T
STG
T
SOLD
Operating ambient temperature range
Storage temperature range
Lead soldering temperature (10sec max)
1450
1090
0 to +70
-65 to +150
+300
mW
mW
擄C
擄C
擄C
PARAMETER
RATING
+16
UNIT
V
NOTES:
1. Derate above 25擄C, at the following rates:
N package at 11.6mW/擄C
D package at 8.7mW/擄C
August 31, 1994
378
853-0150 13721
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