Ordering number:ENN1077C
Monolithic Digital IC
LB8555D, 8555S
General-Purpose Timer
Overview
Package Dimensions
The LB8555 is a delay time generator IC capable of generating exact timing pulses. Both trigger pin and reset pin are
provided for various uses such as monostable multivibrator,
astable multivibrator. The output circuit is capable of applying 200mA sink/source current. Output is interfaceable
to TTL. This IC is usable as a replacement for Signeticsmade NE555.
unit:mm
3001C-DIP8
[LB8555D, 8555S]
9.14
5
1
4
• Timing time settable from several μs. to several hours.
• Monostable multivibrator consisting of R=1, C=1 ; astable
multivibrator consisting of R=2, C=1.
• Adjustable duty cycle of pulse.
• 200mA sink/source current for driving external load.
(3.0)
0.51min
1.0
Applications
• Delay time generator (monostable multivibrator).
• Sequence timer.
• Pulse generator (astable multivibrator).
• DC-DC converter.
• Pulse width modulator.
1.4
0.5
(0.76)
3.9max
Features
3.2
0.25
7.62
6.4
8
2.54
SANYO : DIP8
unit:mm
3016B-SIP8
[LB8555D, 8555S]
22.3
3.0
8
1
2.26
2.54
0.5
1.3
3.2
4.8
1.0
0.51 min
5.7 max
1.5
0.25
1.35
SANYO : SIP8
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft’s
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges,or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
22801TN (KT)/1090TA/6307TA/8075KI/O122KI, TS No.1077–1/3