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ML2502 Datenblatt(PDF) 1 Page - OKI electronic componets |
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ML2502 Datenblatt(HTML) 1 Page - OKI electronic componets |
1 / 20 page OKI ML2502 ML2502 Data Sheet (Revision 8.0) 1 ML2502 DATA SHEET Preliminary RECORD/PLAYBACK LSI with 128Kbit Analog Cell Storage Flash Memory Revision 8.0 Apr. 01, 1999 n GENERAL DESCRIPTION ML2502 is a record/playback LSI that stores analog signal directly into on-chip Flash memory (128Kbit Cell) without digital conversion utilizing new Analog Storage technology. Such unique features as low voltage operability (2.7 ~ 3.3V), no backup requirement and no external MCU requirement makes the ML2502 an ideal choice for handy Voice Memo, Message Card, toys and other consumer applications. n FEATURES • On-chip 128Kbit Cell Analog Storage Flash Memory Program/Erase Cycles 10K cycles Data Retention Period 10 years • Record/Playback Control via Switch Input • Phrasing Mode Single-phrase or Dual-phrase • Record/Playback Time Length (At 6.4 kHz sampling frequency) In Dual-phrase Mode Max. ap. 10 sec each (Entire memory area divided into 2) In Single-phrase Mode Max. ap. 20sec (Using the whole memory area by wiring REC1 and REC2 pins, PLAY1 and PLAY2 pins together) • Sampling Frequencies Selectable from 4.0 kHz, 5.3 kHz, 6.4 kHz • Built-in Mic. Amplifier with AGC (Auto Gain Control) • Built-in LPF (Low Pass Filter) • Built-in Speaker Driver Allows to use either Piezo or Dynamic speaker by externally setting up an amplitude ratio. • On-chip Oscillation Circuit (No requirement for an external oscillator) • Operating Voltage 2.7V ~ 3.3V • Operating Temperature -10°C ~ +70°C • Packaging 30-pin SSOP, Die Form |
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