廬
TS555C,I,M
LOW POWER SINGLE CMOS TIMERS
.
.
.
.
.
.
.
.
.
VERY LOW POWER CONSUMPTION :
100碌A(chǔ) typ at V
CC
= 5V
HIGH MAXIMUM ASTABLE FREQUENCY
2.7MHz
PIN-TO-PIN AND FUNCTIONALLY
COMPATIBLE WITH BIPOLAR NE555
VOLTAGE RANGE : +2V to +18V
HIGH OUTPUT CURRENT CAPABILITY
SUPPLY CURRENT SPIKES REDUCED
DURING OUTPUT TRANSITIONS
HIGH INPUT IMPEDANCE : 10
12
鈩?/div>
OUTPUT COMPATIBLE WITH TTL,CMOS
AND LOGIC MOS
N
DIP8
(Plastic Package)
D
SO8
(Plastic Micropackage)
P
TSSOP8
(Thin Shrink Small Outline Package)
ORDER CODES
Part Number
TS555C
TS555I
TS555M
Temperature
Range
0 C, +70 C
-40, +125
o
C
-55, +125 C
o
o
o
Package
N
q
q
q
D
q
q
q
P
q
q
q
Examples :
TS555CD , TS555IN
PIN CONNECTIONS
(top view)
DESCRIPTION
The TS555 is a single CMOS timer which offers
very low consumption (Icc
(TYP)
TS555 = 100碌A(chǔ)
Icc
(TYP)
NE555 = 3mA) and high frequency
(f
(max.)
TS555 = 2.7MHz - f
(max.)
NE555 = 0.1 MHz)
Thus, either in Monostable or Astable mode, timing
remains very accurate.
The TS555 provides reduced supply current spikes
during output transitions, which enables the use of
lower decoupling capacitors compared to those
required by bipolar NE555.
Timing capacitors can also be minimized due to
high input impedance (10
12
鈩?.
January 1999
GND
Trigger
Output
Reset
1
2
3
4
8
7
6
5
V
CC
Discharge
Threshold
Control
Voltage
1/12
next