TLC556 Datasheet, PDF (5/18 Pages) Texas Instruments – DUAL LinCMOSE TIMERS

TLC556, TLC556Y
DUAL LinCMOS™ TIMERS
SLFS047B – FEBRUARY 1984 – REVISED SEPTEMBER 1997
electrical characteristics at specified free-air temperature, V_DD = 2 V for TLC556C, V_DD = 3 V for
TLC556I
PARAMETER
TEST
CONDITIONS
TA†
TLC556C
MIN TYP MAX
TLC556I
MIN TYP MAX
VIT
Input threshold voltage
25°C
0.95 1.33 1.65 1.6
Full range 0.85
1.75 1.5
2 2.4
2.5
Threshold current
25°C
10
10
MAX
75
150
V(trigger) Trigger voltage
25°C
Full range
0.4 0.67 0.95 0.71
0.3
1.05 0.61
1 1.29
1.39
I(trigger) Trigger current
25°C
10
10
MAX
75
150
V(reset) Reset voltage
25°C
0.4 1.1 1.5 0.4 1.1 1.5
Full range 0.3
1.8 0.3
1.8
I(reset) Reset current
25°C
10
10
MAX
75
150
Control voltage (open circuit) as
a percentage of supply voltage
MAX
66.7%
66.7%
Discharge switch on-state volt-
age
IOL = 1 mA
25°C
Full range
0.04 0.2
0.25
0.03 0.2
0.375
Discharge switch off-state cur-
rent
25°C
0.1
0.1
MAX
0.5
120
VOH
High-level output voltage
25°C
1.5 1.9
IOH = –300 µA
Full range
1.5
1.5 1.9
2.5
VOL
Low-level output voltage
IOL = 1 mA
25°C
Full range
0.07 0.3
0.35
0.07 0.3
0.4
IDD
Supply current
See Note 2
25°C
Full range
130 500
800
130 500
1000
† _{Full range is 0°C to 70°C for TLC556C and – 40°C to 85°C for TLC556I.}
NOTE 2: These values apply for the expected operating configurations in which THRES is connected directly to DISCH or TRIG.
UNIT
V
pA
V
pA
V
pA
V
nA
V
V
µA
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