参数资料
型号: TLC555CPWLE
厂商: Texas Instruments, Inc.
英文描述: COMBO-D
中文描述: LinCMOSE定时器
文件页数: 9/19页
文件大小: 404K
代理商: TLC555CPWLE
SLFS043F SEPTEMBER 1983 REVISED FEBRUARY 2005
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 1
2
1
75 50
25
TA Free-Air Temperature
°
C
0
25
75
125
D
DISCHARGE SWITCH ON-STATE RESISTANCE
vs
FREE-AIR TEMPERATURE
100
50
100
10
4
20
40
7
70
VDD = 2 V, IO = 1 mA
VDD = 5 V, IO = 10 mA
VDD = 15 V, IO = 100 mA
Figure 2
100
0
0
2
4
6
8
12
16
PROPAGATION DELAY TIMES TO DISCHARGE
OUTPUT FROM TRIGGER AND THRESHOLD
SHORTED TOGETHER
vs
SUPPLY VOLTAGE
10
14
400
200
500
600
300
VDD Supply Voltage V
20
18
P
t
,
t
P
tPLH
IO(on)
1 mA
CL
0
TA = 25
°
C
The effects of the load resistance on these values must be
taken into account separately.
tPHL
APPLICATION INFORMATION
0.1
μ
F
0.1
μ
F
CT
CL
RL
Output
RB
RA
GND
TRIG
THRES
RESET
DISCH
CONT
VDD
OUT
VDD
2/3 VDD
1/3 VDD
GND
tPHL
tPLH
tc(H)
tc(L)
CIRCUIT
TRIGGER AND THRESHOLD VOLTAGE WAVEFORM
TLC555
6
1
3
8
5
4
7
2
Pin numbers shown are for all packages except the
FK package.
Figure 3. Astable Operation
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