TLC555 Datasheet, PDF (5/19 Pages) Texas Instruments – LinCMOSE TIMERS

TLC555
LinCMOS TIMER
SLFS043F − SEPTEMBER 1983 − REVISED FEBRUARY 2005
electrical characteristics at specified free-air temperature, V_DD = 2 V for TLC555C, V_DD = 3 V for
TLC555I
PARAMETER
TEST
CONDITIONS
TA†
TLC555C
MIN TYP MAX
TLC555I
UNIT
MIN TYP MAX
VIT
Threshold voltage
25°C
0.95 1.33 1.65 1.6
Full range 0.85
1.75 1.5
2.4
V
2.5
IIT
Threshold current
25°C
10
MAX
75
10
pA
150
VI(TRIG) Trigger voltage
25°C
Full range
0.4 0.67 0.95 0.71
0.3
1.05 0.61
1 1.29
V
1.39
II(TRIG)
Trigger current
25°C
10
MAX
75
10
pA
150
VI(RESET) Reset voltage
25°C
0.4 1.1 1.5 0.4 1.1 1.5
Full range 0.3
2 0.3
V
1.8
II(RESET) Reset current
25°C
10
MAX
75
10
pA
150
Control voltage (open circuit) as
a percentage of supply voltage
MAX
66.7%
66.7%
Discharge switch on-stage
voltage
IOL = 1 mA
25°C
Full range
0.03 0.2
0.25
0.03 0.2
V
0.375
Discharge switch off-stage
current
25°C
0.1
MAX
0.5
0.1
nA
120
25°C
1.5 1.9
2.5 2.85
VOH
High-level output voltage
IOH = − 300 µA _{Full range}
1.5
2.5
V
VOL
Low-level output voltage
IOL = 1 mA
25°C
Full range
0.07 0.3
0.35
0.07 0.3
V
0.4
25°C
250
250
IDD
Supply current
See Note 2
Full range
400
µA
500
† _{Full range is 0°C to 70°C for the TLC555C and −40°C to 85°C for the TLC555I. For conditions shown as MAX, use the appropriate value specified}
in the recommended operating conditions table.
NOTE 2: These values apply for the expected operating configurations in which THRES is connected directly to DISCH or to TRIG.
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
5