TLC551 Datasheet, PDF (5/16 Pages) Texas Instruments – LinCMOSE TIMERS

TLC551, TLC551Y
LinCMOS™ TIMERS
SLFS044B – FEBRUARY 1984 – REVISED SEPTEMBER 1997
electrical characteristics at specified free-air temperature, V_DD = 1 V
PARAMETER
VIT
Threshold voltage
TEST CONDITIONS
TA†
25°C
Full range
MIN
0.475
0.45
TYP MAX
0.67 0.85
0.875
UNIT
V
IIT
Threshold current
25°C
70°C
10
pA
75
VI(TRIG) Trigger voltage
25°C
0.15 0.33 0.425
V
Full range
0.1
0.45
II(TRIG)
Trigger current
25°C
70°C
10
pA
75
VI(RESET) Reset voltage
25°C
0.4
0.7
Full range
0.3
1
V
1
II(RESET) Reset current
25°C
70°C
10
pA
75
Control voltage (open circuit) as a percentage of
supply voltage
70°C
66.7%
Discharge switch on-stage voltage
IOL = 100 µA
25°C
Full range
0.02 0.15
V
0.2
Discharge switch off-stage voltage
25°C
70°C
0.1
nA
0.5
VOH
High-level output voltage
25°C
0.6 0.98
IOH = – 10 µA
Full range
0.6
V
VOL
Low-level output voltage
IOL = 100 µA
25°C
Full range
0.03 0.2
V
0.25
IDD
Supply current
See Note 2
25°C
Full range
15 100
µA
150
† _{Full range is 0°C to 70°C.}
NOTE 2: These values apply for the expected operating configurations in which THRES is connected directly to DISCH or to TRIG.
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