TS556C,I,M
LOW POWER DUAL CMOS TIMERS
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VERY LOW POWER CONSUMPTION :
100碌A 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
DIP14
(Plastic Package)
D
SO14
(Plastic Micropackage)
ORDER CODES
Part Number
TS556C
TS556I
TS556M
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
Examples :
TS556CD , TS556IN
PIN CONNECTIONS
(top view)
DESCRIPTION
The TS556 is a dual CMOS timer which offers very
low consumption (Icc
(TYP)
TS556 = 200碌A
Icc
(TYP)
NE556 = 6mA) and high frequency
(f
(max.)
TS556 = 2.7MHz - f
(max.)
NE556 = 0.1 MHz)
Thus, either in Monostable or Astable mode, tim-
ing remains very accurate.
The TS556 provides reduced supply current
spikes during output transitions, which enables
the use of lower decoupling capacitors compared
to those required by bipolar NE556.
Timing capacitors can also be minimized due to
high input impedance (10
12
鈩?.
October 1997
Discharge
Threshold
Control
Voltage
Reset
Output
Trigger
GND
1
2
3
4
5
6
7
14
13
12
11
10
9
8
+V
S
Discharge
Threshold
Control
Voltage
Reset
Output
Trigger
1/11
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