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555I Datasheet

Low-power single CMOS timer

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TS555
Low-power single CMOS timer
SO8
(plastic micropackage)
Pin connections
(top view)
*1' 
7ULJJHU 
2XWSXW 
5HVHW 
 9&&
 'LVFKDUJH
 7KUHVKROG

&RQWURO
9ROWDJH
Features
Very low power consumption:
– 110 µA typ at VCC = 5 V
– 90 µa typ at VCC = 3 V
High maximum astable frequency of 2.7 MHz
Pin-to-pin functionally-compatible with bipolar
NE555(a)
Wide voltage range: +2 V to +16 V
Supply current spikes reduced during output
transitions
High input impedance: 1012 Ω
Output compatible with TTL, CMOS and logic
MOS
Datasheet - production data
Description
The TS555 is a single CMOS timer with very low
consumption:
I(cIccc(T(TYYPP) )NTES555555(a=)
110 µA at
= 3 mA),
VCC
=
+5
V
versus
and high frequency:
(f(fmf(maxa)xN.) TES55555(5a)==20.7.1MMHHzzv).ersus
Timing remains accurate in both monostable and
astable mode.
The TS555 provides reduced supply current
spikes during output transitions, which enable the
use of lower decoupling capacitors compared to
those required by bipolar NE555(a).
With the high input impedance (1012Ω), timing
capacitors can also be minimized.
a. Terminated product
June 2015
This is information on a product in full production.
DocID4077 Rev 4
1/19
www.st.com


STMicroelectronics Electronic Components Datasheet

555I Datasheet

Low-power single CMOS timer

No Preview Available !

Contents
Contents
TS555
1
Absolute maximum ratings and operating conditions . . . . . . . . . . . . . 3
2
Schematic diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
4
Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.1 Monostable operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.2 Astable operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
5
Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.1 SO8 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
6
Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
7
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2/19
DocID4077 Rev 4


Part Number 555I
Description Low-power single CMOS timer
Maker STMicroelectronics
PDF Download

555I Datasheet PDF






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