TLC551 Datasheet, PDF (6/16 Pages) Texas Instruments – LinCMOSE TIMERS

TLC551, TLC551Y
LinCMOS™ TIMERS
SLFS044B – FEBRUARY 1984 – REVISED SEPTEMBER 1997
electrical characteristics at specified free-air temperature, V_DD = 2 V
PARAMETER
VIT
Threshold voltage
TEST CONDITIONS
TA†
MIN TYP MAX UNIT
25°C
0.95 1.33 1.65
V
Full range 0.85
1.75
IIT
Threshold current
25°C
70°C
10
pA
75
VI(TRIG) Trigger voltage
25°C
Full range
0.4 0.67 0.95
V
0.3
1.05
II(TRIG)
Trigger current
25°C
70°C
10
pA
75
VI(RESET) Reset voltage
25°C
0.4
1.1 1.5
V
Full range
0.3
1.8
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 = 1 mA
25°C
Full range
0.03 0.2
V
0.25
Discharge switch off-stage voltage
25°C
70°C
0.1
nA
0.5
VOH
High-level output voltage
25°C
1.5
1.9
IOH = – 300 µA
Full range
1.5
V
VOL
Low-level output voltage
IOL = 1 mA
25°C
Full range
0.07 0.3
V
0.35
IDD
Supply current
See Note 2
25°C
Full range
65 250
µA
400
† _{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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