Datasheet Summary
IS22C040
IS22C040
32 to 40 SEC INSTANT VOICE ROM
GENERAL DESCRIPTION
ISSI
OCTOBER 1998
ISSI
®
®
Features
- Voice length at
- 8 KHz sampling is 32 seconds
- 6 KHz sampling is 40 seconds
- Silence pression to save memory
- Eight trigger pins, S1 to S8 for 32 sections
- SBT pin play-all or sequential play-all
- 15 ms debounce time suitable for CDS
- IRP interrupt pin stops playback at once
- STP stop pulse generated at end of playback
- BUSY signal for CPU control
- Two LEDs flash at 3 Hz interval
- 3.0V to 6V single power supply operation
- Low standby current (<5 µA at 3V)
- Auto-power down
- Built-in oscillator, D/A converter, EPROM
- ADPCM data pression
- Optional pop noise...