TLC551 Datasheet, PDF (7/16 Pages) Texas Instruments – LinCMOSE TIMERS

TLC551, TLC551Y
LinCMOS™ TIMERS
SLFS044B – FEBRUARY 1984 – REVISED SEPTEMBER 1997
electrical characteristics at specified free-air temperature, V_DD = 5 V
PARAMETER
VIT
Threshold voltage
TEST CONDITIONS
TA†
MIN TYP MAX UNIT
25°C
2.8
3.3 3.8
V
Full range
2.7
3.9
IIT
Threshold current
25°C
70°C
10
pA
75
VI(TRIG) Trigger voltage
25°C
1.36 1.66 1.96
V
Full range 1.26
2.06
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 = 10 mA
25°C
Full range
0.14 0.5
V
0.6
Discharge switch off-stage voltage
25°C
70°C
0.1
nA
0.5
VOH
High-level output voltage
25°C
4.1
4.8
IOH = – 1 mA
Full range
4.1
V
IOL = 8 mA
25°C
Full range
0.21 0.4
0.5
VOL
Low-level output voltage
IOL = 5 mA
25°C
Full range
0.13 0.3
V
0.4
IOL = 3.2 mA
25°C
Full range
0.08 0.3
0.35
IDD
Supply current
See Note 2
25°C
Full range
170 350
µA
500
† _{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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