Document
®
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 COMPATIBLE WITH BIPOLAR NE556 AND CMOS TS556 OUTPUT COMPATIBLE WITH TTL,CMOS AND LOGIC MOS
N DIP14
(Plastic Package)
D SO14
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 offering also a high frequency (f(max) 2MHz at VCC = 3V and 2.7 MHz at VCC = 5V). Thus, either in monostable or astable mode, timing remains very accurate. Timing capacitors can also be minimized due to high input impedance (1012 Ω). PIN CONNECTIONS (top view)
ORDER CODES
Part Number TS3V556I Temperature Range -40, +125 C
o
Package N
l
D
l
Discha rge
1
14
13 12 11 10
VC C
D isc ha rge
T h r e s h o ld 2 Co n t r o l Vo l t a g e 3
Th res ho ld
Re se t
4 5
Co n t r o l Vo l t a g e
Ou t p u t
Re s e t
Tr ig g e r
6
7
9
8
Out put
Trigge r
GND
May 2000
1/8
TS3V556
BLOCK DIAGRAM (1/2 TS3V556)
V CC
14
Reset
4 / 10 3V556
R
2 / 12
R1
+
Threshold Control Voltage
Q
5/9
Output
R
-
A S
3 / 11
R
+
Trigger
6/8
-
B
1 / 13
R
7
Discharge
Ground
FUNCTION TABLE
RESET Low High High High TRIGGER x Low High High THRESHOLD x x High Low OUTPUT Low High Low Previous State
LOW HIGH X
Level Voltage ≤ Min voltage specified Level Voltage ≥ Max voltage specified Irrelevant
ABSOLUTE MAXIMUM RATINGS
Symbol VCC TJ Parameter Supply Voltage Junction Temperature Value +18 +150 Unit V
o
C
THERMAL CHARACTERISTICS
Symbol Toper Tstg Parameter Operating Temperature Range TS3V556I,AI Storage Temperature Range Value -40 to +125 -65 to +150
o
Unit
o
C C
OPERATING CONDITIONS
Symbol VCC Supply Voltage Parameter Value +2.7 to +16 Unit V
2/8
TS3V556
ELECTRICAL CHARACTERISTICS VCC = +3V , Tamb = +25oC , Reset to VCC (unless otherwise specified) STATIC
Symbol ICC Parameter Supply Current - (no load, High and Low States, per timer) Tamb = +25oC Tmin. ® Tamb ® Tmax. Control Voltage Tamb = +25oC Tmin. ® Tamb ® Tmax. Discharge Saturation Voltage (IDIS = 1mA) Tamb = +25oC Tmin. ® Tamb ® Tmax. Low Level Output Voltage (ISINK = 1mA) Tamb = +25oC Tmin. ® Tamb ® Tmax. High Level Output Voltage (ISOURCE = -0.3mA) Tamb = +25oC Tmin. ® Tamb ® Tmax. Trigger Voltage Tamb = +25oC Tmin. ® Tamb ® Tmax. Trigger Current Threshold Current Reset Voltage Tamb = +25°C Tmin. ® Tamb ® Tmax. Reset Current Discharge Pin Leakage Current 1.8 1.7 Min. TS3V556I Typ. 90 Max. 230 230 Unit
µA
VCL
V 2 2.2 2.3 V 0.05 0.1 0.2 0.25 V 0.3 0.35 V 2.5 2.5 0.9 0.8 2.9 V 1 10 10 0.4 0.3 1.1 10 1 1.5 2.0 100 pA nA 1.1 1.2 pA pA V
VDIS
VOL
VOH
VTRIG
ITRIG ITH VRESET
IRESET IDIS
DYNAMIC
Symbol Parameter Timing Accuracy (Monostable) R = 10kΩ , C = 0.1µF - (note 1) Timing Shift with supply voltage variations (Monostable) R = 10kΩ , C = 0.1µF, V CC = +3V +/-0.3V - (note 1) Timing Shift with temperature - (note 1) Tmin. ® Tamb ® Tmax. Maximum astable frequency - (note 2) RA = 470Ω , RB = 200Ω, C = 200pF Astable frequency accuracy - (note 2) RA = RB = 1kΩ to 100kΩ, C = 0.1µF Timing Shift with supply voltage variations (Astable mode) - (note 2) RA = RB = 10k Ω, C = 0.1µF, VCC = +3 to+5V Output Rise Time (CLOAD = 10pF) Output Fall Time (CLOAD = 10pF) Trigger Propagation Delay Minimum Reset Pulse Width (V TRIG = +3V)
1. See Figure 2 2. See Figure 4
Min.
TS3V556I Typ. Max. 1
Unit % %/V
0.5 75 2 % 5 %/V 0.5 25 20 100 350 ns ns ns ns ppm/° C MHz
fmax
tr tf tPD tRPW
Note :
3/8
TS3V556
ELECTRICAL CHARACTERISTICS VCC = +5V , Tamb = +25oC , Reset to VCC (unless otherwise specified) STATIC
Symbol ICC Parameter Supply Current - (no load, High and Low States, per timer) Tamb = +25°C Tmin. ® Tamb ® Tmax. Control Voltage Tamb = +25°C Tmin. ® Tamb ® Tmax. Discharge Saturation Voltage (IDIS = 10mA) Tamb = +25°C Tmin. ® Tamb ® Tmax. Low Level Output Voltage (ISINK = 8mA) Tamb = +25°C Tmin. ® Tamb ® Tmax. High Level Output Voltage (ISOURCE = -2mA) Tamb = +25°C Tmin. ® Tamb ® Tmax. Trigger Voltage Tamb = +25°C Tmin. ® Tamb ® Tmax. Trigger Current Threshold Current Reset Voltage Tamb = +25°C Tmin. ® Tamb ® Tmax. Reset Current Discharge Pin Leakage Current Min. TS3V556I Typ. 110 Max. 250 250 Unit
µA
VCL
V 2.9 2.8 3.3 3.8 3.9 V 0.2 0.3 0.35 V 0.3 0.6 0.8 V 4.4 4.4 1.36 1.26 4.6 V 1.67 10 10 0.4 0.3 1.1 10 1 1.5 2.0 100 pA nA 1.96 2.06 pA pA V
VDIS
VOL
VOH
VTRIG
ITRIG ITH VRESET
IRESET IDIS
DYNAMIC
Symbol Parameter Timing Accuracy (Monostable) - (note1) R = 10kΩ , C = 0.1µF - (note 1) Timing Shift with supply voltage variations (Monostable) - (note1) R = 10kΩ , C = 0.1µF, V CC = +5V +/-1V Timing Shift with temperature - (note1) Tmin .® Tamb ® Tmax. Maximum astable frequency - (note 2) RA = 470Ω , RB = 200Ω, C = 200pF Astable frequency ac.