參數(shù)資料
型號(hào): 5962-9855501VPA
廠商: TEXAS INSTRUMENTS INC
元件分類: 模擬波形發(fā)生器
英文描述: TIMER, CDIP8
封裝: GREEN, CERAMIC, DIP-8
文件頁數(shù): 7/18頁
文件大小: 350K
代理商: 5962-9855501VPA
S
VCC
RESET
VCC
OUT
DISCH
GND
CONT
TRIG
4
8
3
7
6
1
5
2
THRES
RC
CC
0.01 F
m
CC = 14.7 F
m
RC = 100 kW
Output C
RESET
VCC
OUT
DISCH
GND
CONT
TRIG
4
8
3
7
6
1
5
2
THRES
RB
33 kW
0.001 F
m
0.01 F
m
CB = 4.7 F
m
RB = 100 kW
Output B
Output A
RA = 100 kW
CA = 10
F
m
0.01 F
m
0.001 F
m
33 W
RA
THRES
2
5
1
6
7
3
8
4
TRIG
CONT
GND
DISCH
OUT
VCC
RESET
CB
CA
NOTE A: S closes momentarily at t = 0.
V
oltage
5
V/div
t Time 1 s/div
See Figure 22
Output A
Output B
Output C
t = 0
twC = 1.1 RCCC
twC
twB = 1.1 RBCB
twA = 1.1 RACA
twA
twB
www.ti.com
SGLS401 – FEBRUARY 2010
Sequential Timer
Many applications, such as computers, require signals for initializing conditions during start-up. Other
applications, such as test equipment, require activation of test signals in sequence. These timing circuits can be
connected to provide such sequential control. The timers can be used in various combinations of astable or
monostable circuit connections, with or without modulation, for extremely flexible waveform control. Figure 23
shows a sequencer circuit with possible applications in many systems, and Figure 24 shows the output
waveforms.
Figure 23. Sequential Timer Circuit
Figure 24. Sequential Timer Waveforms
Copyright 2010, Texas Instruments Incorporated
15
Product Folder Link(s): SE555-SP
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