TLC555 Datasheet, PDF (6/19 Pages) Texas Instruments – LinCMOSE TIMERS

TLC555
LinCMOS TIMER
SLFS043F − SEPTEMBER 1983 − REVISED FEBRUARY 2005
electrical characteristics at specified free-air temperature, V_DD = 5 V
PARAMETER
TEST
CONDITIONS
TA†
TLC555C
MIN TYP MAX
TLC555I
MIN TYP MAX
VIT
Threshold voltage
25°C
Full range
2.8
3.3
3.8
2.7
3.9
2.8
3.3
3.8
2.7
3.9
I_IT
Threshold current
25°C
10
10
MAX
75
150
VI(TRIG) Trigger voltage
25°C
Full range
1.36 1.66 1.96
1.26
2.06
1.36 1.66 1.96
1.26
2.06
II(TRIG) Trigger current
25°C
10
10
MAX
75
150
VI(RESET) Reset voltage
25°C
Full range
0.4
1.1
1.5
0.3
1.8
0.4
1.1
1.5
0.3
1.8
II(RESET) Reset current
25°C
10
10
MAX
75
150
Control voltage (open
circuit) as a percent-
age of supply voltage
MAX
66.7%
66.7%
TLC555Q, TLC555M
MIN TYP MAX
2.8
3.3
3.8
2.7
3.9
10
5000
1.36 1.66 1.96
1.26
2.06
10
5000
0.4
1.1
1.5
0.3
1.8
10
5000
66.7%
UNIT
V
pA
V
pA
V
pA
Discharge switch
on-state voltage
IOL = 10 mA
25°C
Full range
0.14 0.5
0.6
0.14
0.5
0.6
0.14
0.5
V
0.6
Discharge switch
off-state current
25°C
0.1
0.1
0.1
nA
MAX
0.5
120
120
VOH
High-level output
voltage
25°C
IOH = − 1 mA _{Full range}
4.1
4.8
4.1
4.1
4.8
4.1
4.1
4.8
4.1
V
IOL = 8 mA
25°C
Full range
0.21 0.4
0.5
0.21
0.4
0.5
0.21
0.4
0.6
VOL
Low-level output
voltage
IOL = 5 mA
25°C
Full range
0.13 0.3
0.4
0.13
0.3
0.4
0.13
0.3
V
0.45
IOL = 3.2 mA
25°C
Full range
0.08 0.3
0.35
0.08
0.3
0.35
0.08
0.3
0.4
IDD
Supply current
See Note 2
25°C
Full range
170 350
500
170 350
600
170 350
µA
700
† _{Full range is 0°C to 70°C the for TLC555C, −40°C to 85°C for the TLC555I, −40°C to 125°C for the TLC555Q, and −55°C to 125°C for the}
TLC555M. 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 TRIG.
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