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