ISD2540 duration equivalent, single-chip/ multiple-messages/ voice record/playback device 32-/ 40-/ 48-/ and 64-second duration.
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Single 5 volt power supply Single-chip with duration of 32, 40, 48, or 64 seconds. Easy-to-use single-chip, voice record/.
The CMOS devices include an on-chip oscillator, microphone preamplifier, automatic gain control, antialiasing filter, s.
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