TS556
LOW POWER DUAL CMOS TIMER
s
VERY LOW POWER CONSUMPTION :
s
s
s
s
s
s
s
220 碌A typ at V
CC
= 5V
180 碌A typ at V
CC
= 3V
HIGH MAXIMUM ASTABLE FREQUENCY
2.7MHz
PIN-TO-PIN AND FUNCTIONALLY
COMPATIBLE WITH BIPOLAR NE556
WIDE VOLTAGE RANGE : +2V to +16V
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)
DESCRIPTION
The TS556 is a dual CMOS timer which offers
very low consumption (I
cc(TYP)
TS556 = 220碌A at
V
CC
=+5V versus I
cc(TYP)
NE556 = 6mA) and high
frequency f
f(max.)
TS556 = 2.7MHz versus 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?.
ORDER CODES
Package
Part Number
TS556C
TS556I
TS556M
Temperature Range
N
0掳C, +70掳C
-40掳C, +125掳C
-55掳C, +125掳C
鈥?/div>
鈥?/div>
鈥?/div>
D
鈥?/div>
鈥?/div>
鈥?/div>
D
SO14
(Plastic Micropackage)
PIN CONNECTIONS
(top view)
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
N =
Dual in Line Package (DIP)
D =
Small Outline Package (SO) - also available in Tape & Reel (DT)
February 2003
1/11
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