M51958B 参数 Datasheet PDF下载

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

R

1

Input

M51957 or M51958

R

2

Output

GND

Delay capacitor

Cd

Figure 3 Delay Waveform Generating Circuit

Operating Waveform

(a) M51957

Input

(V

CC

partial

pressure)

(b) M51958

Input

(V

CC

partial

pressure)

Output

td

Output

td

td

≈

0.34

×

Cd(pF)

µs

Figure 4 Operating Waveform

REJ03D0778-0200 Rev.2.00 Aug 20, 2007

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