isd1800 Winbond Electronics Corp America, isd1800 Datasheet - Page 3

• Manufacturer Part Number: isd1800
• Description: Single-chip, Single-message Voice Record/playback Device 6- To 16-second Duration
• Manufacturer: Winbond Electronics Corp America

ISD1800 SERIES
3. BLOCK DIAGRAM
XCLK
Internal Clock
Timing
ROSC
Sampling Clock
Active
Analog Transceivers
Antialiasing Filter
SP +
Nonvolatile
Active
Multilevel Storage
Amp
Smoothing Filter
Array
MIC
SP -
AGC
Amp
MIC REF
Automatic
AGC
Gain Control
Switch
(AGC)
Power Conditioning
Device Control
V
V
V
V
FT
REC
PLAYE
PLAYL
RECLED
CCA
SSA
SSD
CCD
Publication Release Date: June 7, 2005
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Revision 0.3