NE555Y
PRECISION TIMERS
SLFS022 – D1669, SEPTEMBER 1973—REVISED FEBRUARY 1992
electrical characteristics, V
CC
= 5 V to 15 V, T
A
= 25
°
C (unless otherwise noted)
PARAMETER
THRES voltage level
THRES current (see Note 2)
TRIG voltage level
TRIG current
RESET voltage level
RESET current
DISCH switch off-state current
CONT voltage (open circuit)
VCC = 15 V
VCC = 5 V
IOL = 10 mA
IOL = 50 mA
IOL = 100 mA
IOL = 200 mA
IOL = 5 mA
IOL = 8 mA
IOH = – 100 mA
IOH = – 200 mA
IOH = – 100 mA
VCC = 15 V
VCC = 5 V
VCC = 15 V
12.75
2.75
9
2.6
RESET at VCC
RESET at 0 V
VCC = 15 V
VCC = 5 V
TRIG at 0 V
0.3
4.5
1.1
VCC = 15 V
VCC = 5 V
TEST CONDITIONS
MIN
8.8
2.4
TYP
10
3.3
30
5
1.67
0.5
0.7
0.1
– 0.4
20
10
3.3
0.1
0.4
2
2.5
0.1
0.15
13.3
12.5
3.3
10
3
9
15
6
13
mA
0.35
0.4
V
MAX
11.2
4.2
250
5.6
2.2
2
1
0.4
– 1.5
100
11
4
0.25
0.75
2.5
V
UNIT
V
nA
V
µA
V
mA
nA
V
VCC = 15 V
Low-level output voltage
VCC = 5 V
VCC = 15 V
VCC = 5 V
Output low,
Supply current
Output high,
No load
No load
High-level output voltage
VCC = 5 V
2
5
NOTE 2: This parameter influences the maximum value of the timing resistors RA and RB in the circuit of Figure 12. For example, when
VCC = 5 V, the maximum value is R = RA + RB
≈
3.4 MΩ, and for VCC = 15 V, the maximum value is 10 MΩ
operating characteristics, V
CC
= 5 V and 15 V, T
A
= 25
°
C (unless otherwise noted)
PARAMETER
Initial error of timing interval†
Supply voltage sensitivity of timing interval
Output pulse rise time
Each timer, monostable‡
Each timer, astable§
Each timer, monostable‡
Each timer, astable§
CL = 15 pF
TEST CONDITIONS
MIN
TYP
1%
2.25%
0.1
0.3
100
300
0.5
%/V
MAX
3%
UNIT
ns
Output pulse fall time
100
300
† Timing interval error is defined as the difference between the measured value and the average value of a random sample from each process run.
‡ Values specified are for a device in a monostable circuit similar to Figure 9, with component values as follow: RA = 2 kΩ to 100 kΩ, C = 0.1
µF.
§ Values specified are for a device in an astable circuit similar to Figure 12, with component values as follow: RA = 1 kΩ to 100 kΩ, C = 0.1
µF.
6
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•
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