M51957A Просмотр технического описания (PDF) - Renesas Electronics
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M51957A Datasheet PDF : 16 Pages
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M51957A,B/M51958A,B
Delay Waveform Generating Circuit
When M51957 and M51958 are used, a waveform with a large delay time can generate only by adding a small capacitor.
Operating Waveform
(a) M51957
Input
(VCC partial
pressure)
R1
Input
R2
Power-supply
M51957 or M51958
Output
GND
Delay capacitor
Cd
Figure 3 Delay Waveform Generating Circuit
(b) M51958
Input
(VCC partial
pressure)
Output
td
td
Output
td ≈ 0.34 × Cd(pF) µs
Figure 4 Operating Waveform
REJ03D0778-0300 Rev.3.00 Sep 18, 2007
Page 7 of 13
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