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!#  #  & / $$ #+ /! h&% $##! #! # g+ #!& # # $ ##- ! i#  $/ #! ! *   #!#  #   $$    2$+ /! !&g+ #&# /   sin g le-chip voice record/playback devices 16- and 20-second durations figure i: ISD1400 series block diagram

 ii voice solutions in silicon ?  ? #&&# #!& / -. # ? a!&g+  /  ? #&- 2 C -.  - !&  /& / ? !& # 2 ?  ); ## ? $ %&% $ C # #- $ $$ 2& %!    -.  C -  ;= e '( ? j&% $##! #! C $# - -. # ? 3 ##-   $ $##!# ? ;;& $##!  '( ? ;;+;;;  # '( ? & . # ?  !$$  /$ ##$  ? ! 8= / % # ? /-   2$+  +    .!! ? # $ '9:;k  8c=k ( /## /- table i: ISD1400 series summary part number minimum duration (seconds) input sample rate (khz) typical filter pass band (khz)   

  

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 2 voice solutions in silicon ? figure 1: ISD1400 series pinouts     

 
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 10 voice solutions in silicon ? ##   
chart 1: record mode operating current (i cc ) chart 2: total harmonic distortion chart 3: standby current (i sb ) chart 4: oscillator stability  9!&  9!&   =           
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 14 voice solutions in silicon ? ##   chart 5: record mode operating current (i cc ) chart 6: total harmonic distortion chart 7: standby current (i sb ) chart 8: oscillator stability  9!&  9!&  9!&        
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17 
 isd  figure 5: 28-lead 0.600-inch plastic dual inline package (pdip) (p)  ! 

 
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 voice solutions in silicon? figure 6: 28-lead 0.300-inch plastic small outline integrated circuit (soic) (s)  ! 

 
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