ISD1964SYI Datasheet, PDF (2/29 Pages) List of Unclassifed Manufacturers – SINGLE-CHIP, MULTIPLE-MESSAGE VOICE RECORD/PLAYBACK DEVICE

ISD1900
TABLE OF CONTENTS
1. GENERAL DESCRIPTION ...............................................................................................................................3
2. FEATURES.......................................................................................................................................................3
2.1. Address Mode........................................................................................................................................... 3
2.2. Direct Mode............................................................................................................................................... 4
3. BLOCK DIAGRAM ............................................................................................................................................5
4. PIN CONFIGURATION.....................................................................................................................................6
5. PIN DESCRIPTION ..........................................................................................................................................8
6. FUNCTIONAL DESCRIPTION .......................................................................................................................11
6.1. Address Mode......................................................................................................................................... 11
6.1.1 Record (¯R¯E¯C¯) Operation................................................................................................................. 12
6.1.2 Edge-triggered Playback (¯P¯la¯y¯E¯) Operation................................................................................... 14
6.1.3 Level-triggered Playback (¯P¯la¯y¯L¯) Operation................................................................................... 14
6.1.4 Playback (Supersedes Record) Operation...................................................................................... 15
6.1.5 XCLK Feature .................................................................................................................................. 16
6.2. Direct Mode............................................................................................................................................. 16
6.3. Other Operations .................................................................................................................................... 19
6.3.1 Rosc Operation................................................................................................................................ 19
6.3.2 LED Operation ................................................................................................................................. 20
6.3.3 Feed-Through mode Operation....................................................................................................... 20
6.3.4 Power-On Playback Operation........................................................................................................ 20
6.3.5 Automatic Single Message Playback .............................................................................................. 20
6.3.6 Power is interrupted Abruptly .......................................................................................................... 20
7. ABSOLUTE MAXIMUM RATINGS ^[1]..............................................................................................................21
7.1. Operating Conditions .............................................................................................................................. 21
8. ELECTRICAL CHARACTERISTICS ..............................................................................................................22
8.1. DC Parameters ....................................................................................................................................... 22
8.2. AC Parameters ....................................................................................................................................... 23
9. TYPICAL APPLICATION CIRCUIT ................................................................................................................24
10. PACKAGING...................................................................................................................................................26
10.1. 28-Lead 300-Mil Plastic Small Outline Integrated Circuit (SOIC) ....................................................... 26
11. ORDERING INFORMATION ..........................................................................................................................27
12. VERSION HISTORY.......................................................................................................................................28
Publication Release Date: Jan 5, 2009
2
Revision 0.51