參數(shù)資料
型號(hào)： SA555FK
廠商： Texas Instruments, Inc.
英文描述： PRECISION TIMERS
中文描述： 精密定時(shí)器
文件頁(yè)數(shù)： 6/15頁(yè)
文件大?。?/td> 253K
代理商： SA555FK
NE555, NE555Y, SA555, SE555, SE555C
PRECISION TIMERS
SLFS022 – SEPTEMBER 1973 – REVISED FEBRUARY 1992
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics, V
CC
= 5 V to 15 V, T
A
= 25
°
C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
VCC = 15 V
VCC = 5 V
MIN
8.8
TYP
10
MAX
11.2
UNIT
THRES voltage level
V
2.4
3.3
4.2
THRES current (see Note 2)
30
250
nA
TRIG voltage level
VCC = 15 V
VCC = 5 V
TRIG at 0 V
4.5
5
5.6
V
1.1
1.67
2.2
TRIG current
0.5
2
μ
A
V
RESET voltage level
0.3
0.7
1
RESET current
RESET at VCC
RESET at 0 V
0.1
0.4
mA
–0.4
–1.5
DISCH switch off-state current
20
100
nA
CONT voltage (open circuit)
VCC = 15 V
VCC = 5 V
9
10
11
V
2.6
3.3
4
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
VCC = 5 V
0.1
0.25
VCC= 15 V
VCC = 15 V
0.4
0.75
Low level output voltage
Low-level output voltage
2
2.5
V
2.5
VCC= 5 V
VCC = 5 V
0.1
0.35
0.15
0.4
VCC= 15 V
VCC = 15 V
12.75
13.3
High-level output voltage
12.5
V
VCC = 5 V
2.75
3.3
Output low No load
Output low, No load
10
15
Supply current
3
6
mA
Output high No load
Output high, No load
9
2
13
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 M
, and for VCC = 15 V, the maximum value is 10 M
operating characteristics, V
CC
= 5 V and 15 V, T
A
= 25
°
C (unless otherwise noted)
PARAMETER
TEST
CONDITIONS
MIN
TYP
MAX
UNIT
Initial error of timing interval
Each timer, monostable
Each timer, astable§
Each timer, monostable
Each timer, astable§
1%
3%
2.25%
Supply voltage sensitivity of timing interval
0.1
0.5
%/V
0.3
Output pulse rise time
Output pulse fall time
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 k
to 100 k
, C = 0.1
μ
F.
§Values specified are for a device in an astable circuit similar to Figure 12, with component values as follow: RA = 1 k
to 100 k
, C = 0.1
μ
F.
CL= 15 pF
CL = 15 pF
100
100
300
300
ns
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