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TS3V556 Datasheet

3V LOW POWER DUAL TIMERS

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® TS3V556
3V LOW POWER DUAL TIMERS
. DEDICATED TO 3.3V OR BATTERY SUPPLY
(Specified at 3V and 5V)
. VERY LOW POWER CONSUMPTION :
90 A/tim at VCC = 3V
. WIDE SINGLE SUPPLY RANGE :
+2.7V to +16V
. HIGH OUTPUT CURRENT CAPABILITY
. SUPPLY CURRENT SPIKES REDUCED
DURING OUTPUT TRANSITIONS
. HIGH INPUT IMPEDANCE : 1012
. PIN-TO-PIN AND FUNCTIONALLY COMPATI-
. BLE WITH BIPOLAR NE556 AND CMOS
TS556
OUTPUT COMPATIBLE WITH TTL,CMOS
AND LOGIC MOS
DESCRIPTION
The TS3V556 with its low consumption (90µA/tim
at VCC = 3V) is a dual CMOS timer dedicated to
3.3V or battery supply(specified at 3V and 5V offer-
ing also a high frequency (f(max) 2MHz at VCC = 3V
and 2.7 MHz at VCC = 5V). Thus, either in mono-
stable or astable mode, timing remains very accu-
rate.
Timing capacitors can also be minimized due to
high input impedance (1012 ).
N
DIP14
(Plastic Package)
D
SO14
ORDER CODES
Part Number
TS3V556I
Temperature
Range
-40, +125oC
Package
ND
ll
PIN CONNECTIONS (top view)
May 2000
Discharge 1
T hre s hold 2
Contro l Voltage 3
Reset 4
Ou tput 5
Tr ig ger 6
GND 7
1 4 VC C
1 3 Discharge
1 2 Threshold
1 1 Contro l Voltag e
1 0 Re se t
9 Output
8 Trigger
1/8


STMicroelectronics Electronic Components Datasheet

TS3V556 Datasheet

3V LOW POWER DUAL TIMERS

No Preview Available !

TS3V556
BLOCK DIAGRAM (1/2 TS3V556)
VCC
14
Reset
4 / 10
2 / 12
Threshold
Control
Voltage
3 / 11
R
+
-A
R
6/8
Trigger
+
-B
R
7
Ground
R1
Q
R
S
3V556
Output
5/9
1 / 13
Discharge
FUNCTION TABLE
RESET
Low
High
High
High
LOW
HIGH
X
TRIGGER
THRESHOLD
xx
Low x
High
High
High
Low
Level Voltage Min voltage specified
Level Voltage Max voltage specified
Irrelevant
OUTPUT
Low
High
Low
Previous State
ABSOLUTE MAXIMUM RATINGS
Symbol
VCC
TJ
Parameter
Supply Voltage
Junction Temperature
THERMAL CHARACTERISTICS
Symbol
Toper
Tstg
Parameter
Operating Temperature Range
TS3V556I,AI
Storage Temperature Range
OPERATING CONDITIONS
Symbol
VCC Supply Voltage
Parameter
Value
+18
+150
Value
-40 to +125
-65 to +150
Value
+2.7 to +16
Unit
V
oC
Unit
oC
oC
Unit
V
2/8


Part Number TS3V556
Description 3V LOW POWER DUAL TIMERS
Maker STMicroelectronics
Total Page 8 Pages
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