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.
Power-supply
R1
Input
Output
M51957 or M51958
GND
R2
Delay capacitor
Cd
Figure 3 Delay Waveform Generating Circuit
Operating Waveform
(a) M51957
(b) M51958
Input
(VCC partial
pressure)
Input
(VCC partial
pressure)
td
td
Output
Output
td ≈ 0.34 × Cd(pF) µs
Figure 4 Operating Waveform
REJ03D0778-0200 Rev.2.00 Aug 20, 2007
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