1–79
Information Storage Devices, Inc.
1
®
FEATURES
•
Easy-to-use single-chip voice Record/
Playback solution
•
High-quality, natural voice/audio
reproduction
•
Manual switch or microcontroller compati-
ble Playback can be edge- or level-
activated
•
Single-chip durations of
32*, 40*, 48*, 64*,
60, 75, 90, and 120 seconds
•
Directly cascadable for longer durations
•
Automatic Power-Down (Push-Button
Mode)
– Standby current 1
µA (typical)
•
Zero-power message storage
– Eliminates battery backup circuits
•
Fully addressable to handle multiple
messages
•
100-year message retention (typical)
•
100,000 record cycles (typical)
•
On-chip clock source
•
No algorithm development required
•
Single +5 volt power supply
•
Available in die form, DIP, SOIC, and
TSOP packaging
•
Industrial temperature (-40
°C to +85°C)
versions available
ISD2500 Series
Single-Chip Voice Record/Playback Devices
32-*, 40-*, 48-*, 64-*, 60-, 75-,
90-, and 120-Second Durations
ISD2500 SERIES SUMMARY
Part
Number
Duration
(Seconds)
Input Sample
Rate (KHz)
Typical Filter
Pass Band (KHz)
ISD2560
60
8.0
3.4
ISD2575
75
6.4
2.7
ISD2590
90
5.3
2.3
ISD25120
120
4.0
1.7
ISD2532*
32
8.0
3.4
ISD2540*
40
6.4
2.7
ISD2548*
48
5.3
2.3
ISD2564*
64
4.0
1.7
* Advance information: ISD2532/40/48/64 devices.