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TLC555CD Datasheet(PDF) 8 Page - Texas Instruments

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Part No. TLC555CD
Description  LinCMOSE TIMERS
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Maker  TI1 [Texas Instruments]
Homepage  http://www.ti.com
Logo TI1 - Texas Instruments

TLC555CD Datasheet(HTML) 8 Page - Texas Instruments

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TLC555
LinCMOS TIMER
SLFS043F − SEPTEMBER 1983 − REVISED FEBRUARY 2005
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
operating characteristics, VDD = 5 V, TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Initial error of timing interval‡
VDD = 5 V to 15 V,
RA = RB = 1 kΩ to 100 kΩ,
1%
3%
Supply voltage sensitivity of timing interval
VDD = 5 V to 15 V,
CT = 0.1 µF,
RA = RB = 1 kΩ to 100 kΩ,
See Note 3
0.1
0.5
%/ V
tr
Output pulse rise time
RL = 10 MΩ
CL = 10 pF
20
75
ns
tf
Output pulse fall time
RL = 10 MΩ,
CL = 10 pF
15
60
ns
fmax
Maximum frequency in astable mode
RA = 470 Ω,
CT = 200 pF,
RB = 200 Ω,
See Note 3
1.2
2.1
MHz
‡ Timing interval error is defined as the difference between the measured value and the average value of a random sample from each process
run.
NOTE 3: RA, RB, and CT are as defined in Figure 1.
electrical characteristics at VDD = 5 V, TA = 25°C
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIT
Threshold voltage
2.8
3.3
3.8
V
IIT
Threshold current
10
pA
VI(TRIG)
Trigger voltage
1.36
1.66
1.96
V
II(TRIG)
Trigger current
10
pA
VI(RESET)
Reset voltage
0.4
1.1
1.5
V
II(RESET)
Reset current
10
pA
Control voltage (open circuit) as a percentage of supply voltage
66.7%
Discharge switch on-state voltage
IOL = 10 mA
0.14
0.5
V
Discharge switch off-state current
0.1
nA
VOH
High-level output voltage
IOH = − 1 mA
4.1
4.8
V
IOL = 8 mA
0.21
0.4
VOL
Low-level output voltage
IOL = 5 mA
0.13
0.3
V
VOL
Low-level output voltage
IOL = 3.2 mA
0.08
0.3
V
IDD
Supply current
See Note 2
170
350
µA
NOTE 2: These values apply for the expected operating configurations in which THRES is connected directly to DISCH or TRIG.


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