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| isd ! "# $ % &% ## ! ' ( ) * ! # '* +* ( ) , # '* +* ( ) ' ( ) -.+ !& / ' 0 () -.+ /& / ' 0 ( ) ' (1 ' (1 2 ' 3( 1 $ , ', ( 1 ! ' 4( 1 ! ' ( 1 5 . '6 7( 1 . # ' 8+ 9( : ## # ';9<( : : = ; > ##! ! = > . # = )>4#= 1 > ##! ! = : > # / ## ! = =>4#= , , ? 0 * @a * , 4 ' 7, ( ; 0 * @a * , 4 '( : 34 6 = ? :;; a0 < , 3 ) voice solutions in silicon? 3 ! b :;; # # ) 3 ! )b ? 3 ! 1b -. ? 3 ! :b 5$ = 3 ! =b )c& ;?;;& # .! ' ( ' ( < 3 ! ?b )c& ;1;;& # $ ! ' ( '( c 3 ! ! ' ( ; )b a $ # ; 1b - ' ( ; :b # - ; =b ! ' ( : ?b a $ # : # - )b 5 . $ # 1 - 1b # - = - :b -# 5 $$ !# ' .! #( < - =b ! # ' .! #( < - ?b $ # ' .! #( < - !# ' ( - db ! # ' ( - ;b $ # ' ( -b $ #' ( ) - )b # .! ' ( ' ( $# # < - 1b # $ ! ' ( '( $# # c - :b :;; # # ! #+ % # 'e$( ); i isdapril 1998 2 $ ! / #f :;; # # / # !&g + # !& -. # # # & $##! ! # / # & # + $ $ 2 + & $ ! + # ! 2 + #$ ! 2 & + #. $ 2 $ $$ -. #-# # $ - 2 ! % $ & + #. + #/ ## /#+ % #& - #+ % # !# # & / $$ #+ / ! h &% $##! # ! # g+ # !& # # $ ## - ! i# $ / # ! ! * # !# # $$ 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) 1 isd :;; # # # / # 22 ?: c; 7ah #$ ! 2 g #+ % ! # 2 # g # # #$# # & / $$ % ! h $ ## ## % # # & ! # ! / # / + # ! 2 / + $# + #+ # 22 # / - % $# # & # ! # # $ # # $ g $ #+ :;; # # 22 # # !& # # ? ); #& # 2 -2 # 2 f# ! # # 2 & / $$ + / ! h &% $##! # ! $##! # & 2 ;; # % % + / - & & / ;;+;;; $# :;; # # / # & - # ! # !+ + 2 % #&- -. # !#+ 0 '!& / -.(+ 0 '/& & / -.( :;; # 2 !& 2 # $ 2 # ! # !&$##! 4# ! ## # % % $& $##! # / # 5 ! = 2 -. + :;; # # / # $ %&% # - $+ #$ ! ;= e ! -. + / %& # % $ 2 $#& #! ! + / % # % $$ 2 # # a,a !" / ! # $ $##! -.+ :;; # # / # 2 ## ! & - :;; # # # ! # ?; # ##- #!$ #+ / ! 2% ! # # 2 $ 2 :;; ## -# table 1: device playback/record durations part number minimum duration (seconds) 2 voice solutions in silicon ? figure 1: ISD1400 series pinouts note # !# # " ! ! # :;; # # # # % -## $ $ h # # % -## - ! # # .! # - ! # # # # ## - # $& % # - # # # ## - .! !# # " $ * * + ! ! # :;; # # # # ! -## $ $ h # # # # - ! # # # ## - / !" # /& @ # ! / # %/ # @ # # ! $# $ @ 2 2 & ! .# / -. ' 0 0 ( # ! 2 # @ ! -. + -. $$ ## ! -! # # $ % # a,a $$ # # 2 &2&$##! $ . ' ( # & + - ! #-#g -. $ / $ & % # % # - $ % !# a,a $ #! " @ @&! ! # # # # !+ -. -! # -. # # 2 $$ # # 4 $& 2 -. + / $ & % # % # - $ . ! 0 a,a ! -. % $ & $# #! " @ # # ! # # 2 $ a,a @+ -. # -. & # 0 # a,a+ $ . # + 2 $$ # # / $ % # % # - $ $ 2 & -. note ! "#$% "#$%# #&' &( &)*! + ! "#$% "#$%# , - . 3 isd ! " # @ ! - # / / 2& -. # ! ## + ## @ $$ % # -. ! " $ #2 # # # ! & $ 2 & $ , ', ( # ! 2 # $ 2 2 $ 9= ): " 5 $ & # - # / #& # /+ ! % ; 7 w # # # + & $ %&2 g 22 2 :;; #& # ##- 2 $ 2 2 $ %&2 g 22 # ! " 3 # / ! $ & $ 2 # / # #&& ! $$&$ l / % 22 $ & ! " , $ l# # ! 2 $ 2 $# 2 % ! 2 $ /# , %# 2 ! 2 #+ 2 $ % # # ##+ - % $ $ # m .n $ # $ - $ # 2 = 7 w # # 5 ' ? #$ 3 ! :( 2 $ , * ! ! m #n $ # $ - $ # 2 5 # # ' =( 5 ' ?( & - % , * ! ! $ /# 2 :<; 7 w :< e3 ! / # #2 # # $# ## !" # / # $ 2 #& / ! ! 2 $ 2 # & $ - / ! / , !" #2 # # ! 2 ! 3 $ #+ 4 # - / 5 & # /+ ! & % 1; 7 w $ 2 + # # ! / 22 %&2 & g 2 / ##- 2 # # / 2 $ # $ & + # ! - 2+ / & + %$!%$" 5 . 2 :;; / # # &% / :;; # 2 ! 2 % #$& ! . 2 g ! # # $ & $$ $ -. $ 3 # + :); ! % # 2 & % - -# / % # / $ $$ 2 ); ## 2 ! $ #$ ! 2 & g # $ / 2 o))= / $$ $ ! / ! !#+ % # $ ! $ $$ # 2 ! # % # #$ / # / ! 2% $ $ ! $ . # o= / # $ / ! ! ! % # # $$& 2 # $ # 2 ! & # # g + / - . ! 6 7 # 2%#b table 2: external clock sample rates part number sample rate required clock 4 voice solutions in silicon ? # $$ . # # - / -# # ! #$ ! 2 # 2 5+ # ! -$# 2 #$ 22 # 2 $ $$ . # + # . # $$ / - % $!&'" 8 9 # / / 2 & #. # % $# # % # ? w # & ! $ - #+ - + 2 & / #. #+ % # & # & / $ /$ % 2 2 $# / # !& 3 & $ + % 8 9 #+ #. & ! # g # !&& % g & ! & - % #. #. # !& $ # ! + * ! %& % !'(" ## # / % 2 #+ ! / 2 % # ! 2 " # ' "( 2 ## 2 2 % "# # @+ # # ## - # # # # ## 2 -. ## # # ## 2 $ # & ! ### ## # - 2 ! ! 2 0 + 0 + :;; # # # # ! % #/ - & $# / % $5 $$ 2 % $ $$ 2 $& #+ # - -% & $# # ## # :;; / #+ - $ # / & ## ! @ % # ! 2 " # ' "#( a,a '? <(+ $ ! & ## # !# # $ - # # ## - # 2 + $# ## ! $ - - # # $ # % $ # # 2 # ! $# 3 # + # -! & ## ;+ % # -! ! 2 :;; ## # # -& ! ## #+ ! $'#( # + & ## # # ; % / # ! 2 $ -. - 2 $ -. % : # a,a & + # 5 % 2 #+ 0 + 0 + +! @ % "# a,a # $ # 22 5 @&! ! # !+ % & ##$ /# #$ 5 note (/0 1 2 /324 5 isd # - # l& % $ + - & % / # # # $ ) ##! ! %# # #. ! $##!#+ % .% ! # ### 2 $##! @ # ## ## #. 5 $##! # $ # - # 2 -. + # # % : ) $ %# #g & $##!# - $- # ! $##! % $ . # 2 2 $##! @ # $ # 2 ! + $##!# #g -. # # $##! *) +) 1 %# 2 $ & + # -. 2 $#& #! -! ! 2 ## # $##! $ 2 :;; & / % 2 $ -! ! # ! 0 % # -. # ! 0 % -. )# ! $ #+ ## % # % $##! # ! $ . : - # ## # + % ! $##!# - & -. # / @ / # # # p + ! ! -.+ $$ . ! # @ % # ## h ,) table 3: operational modes table address crtl. (high) function typical use jointly compatible (1) !"#"$ %"!% & '( ")" *! ! '( ")" % $ ! % & + , $ -!!. /! ! .&01) "! $$" /! 2 $$" 3!"$4.&0 & .& ! 2 + , $ 6 voice solutions in silicon? figure 2: record figure 3: playback !" #$ 7 isd % & & ' ( )( )( ( )( )( table 4: absolute maximum ratings (packa g ed parts) (1) condition value 5 ! ." " 6/ !" ." " " 76/ ! 8 6/ 9!& ..&$ ! 0 . :9 7 9; ! :9 8 9; 9!& ..&$ ! 0 . : . "" & $ ! < ; :9 7 9; ! :9 8 9; -$ ." " :!&$" 7 ! $; 6/ 9 79 7 9 ! 8= 9 table 5: operating conditions (packa g ed parts) condition value /! "& !." ." " " 6/ ! 8= 6/ $ "& !." ." " 7 6/ ! 86/ ..&0 2!& :9 ; 8 9 ! 8 9 >"! $ 2!& :9 ; 9 table 6: dc parameters (packa g ed parts) symbol parameters min (2) typ (1) max (2) units conditions 9 . -!# 9!& 9 9 . % 9!& 9 9 ( . -!# 9!& 9 ? 9 ( . % 9!& 9 ? 7 9 /"" :(." ; 9 ?9 +3 ? 9 /"" : $10; @ . -) /"" < @ . /"" > #4*&& !# @ !" 9 3 ( . -!$ .$ w .)" -!$ 3 *" . . 3 = w * =+ 3 a a . 3 w *" . > $b >/ ? 9 *" . > 7 7 $b >/ ? 9 8 voice solutions in silicon? * + * ) ,-. - / ( $0$& %" 1 2// ( ( 3 4!5! 3 4!5 ( 6!7 a a ! *847 > $b 3 >/ ( . 3 w *" . ( !" 7 c 9 ? 9 *" . ) c 9 ? 9 table 7: ac parameters (packa g ed parts) symbol characteristic min (2) typ (1) max (2) units conditions .& "d 0 & " * b $ $b 3!&& ( *! $b 3!&& ( *! e 3!"$ " ! e *&01) " ! e 3'/-' (a &0 e 3'/-' ( &0 e $$" . e e $$" !&$ e e 3!"$ *!#" ,. &0 e 3!"$ *!#" !# &0 e *&0 *!#" ,. &0 table 6: dc parameters (packa g ed parts) symbol parameters min (2) typ (1) max (2) units conditions 9 isd * + * ) ,-. - / ( $0$& %" 1 2// ! 8 9 & : 4 " ; < - 2 7 w % 9 =, ,- =- & 9 ' 3 & 1 : 4 " ; ' e *&0 *!#" !# &0 e '( *& f$ % e e! & " ! !" ! g c * .)" ( . *!#" f 3 ? w 9 9!& "! .)" * 9 .7. 3 ? w 9 / . 9!& 9 *) ! *) 9 a a . 9!& 9 *) ! *) table 7: ac parameters (packa g ed parts) symbol characteristic min (2) typ (1) max (2) units conditions 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!& = 9!& 9!& = 9!& 9!& = 9!& 9!& = 11 isd % & & ' ( )( )( ( )( )( table 8: absolute maximum ratings (die) (1) condition value 5 ! ." " 6/ !" ." " " 76/ ! 8 6/ 9!& ..&$ ! 0 .$ :9 7 9; ! :9 8 9; 9!& ..&$ ! 0 .$ : . "" & $ ! < ; :9 7 9; ! :9 8 9; 9 79 7 9 ! 8= 9 table 9: operating conditions (die) condition value /! "& !." ." " " 6/ ! 8 6/ ..&0 2!& :9 ; 8 9 ! 8 9 >"! $ 2!& :9 ; 9 table 10: dc parameters (die) symbol parameters min (2) typ (1) max (2) units conditions 9 . -!# 9!& 9 9 . % 9!& 9 9 ( . -!# 9!& 9 ? 9 ( . % 9!& 9 ? 7 9 /"" :(." ; 9 ?9 +3 ? 9 /"" : $10; @ . -) /"" < @ . /"" > #4*&& !# @ !" 9 3 ( . -!$ .$ w .)" -!$ 3 *" . . 3 = w * =+ 3 a a . 3 w *" . > $b >/ ? 9 *" . > 7 7 $b >/ ? 9 a a ! *847 > $b 12 voice solutions in silicon? * + * ) ,-. - / ( $0$& %" 1 2// ( ( 3 4!5! 3 4!5 ( 6!7 3 >/ ( . 3 w *" . ( !" 7 c 9 ? 9 *" . ) c 9 ? 9 table 11: ac parameters (die) symbol characteristic min (2) typ (1) max (2) units conditions .& "d 0 & " * b $ $b 3!&& ( *! $b 3!&& ( *! e 3!"$ " ! e *&01) " ! e 3'/-' (a &0 e 3'/-' ( &0 e $$" . e e $$" !&$ e e 3!"$ *!#" ,. &0 e 3!"$ *!#" !# &0 e *&0 *!#" ,. &0 table 10: dc parameters (die) symbol parameters min (2) typ (1) max (2) units conditions 13 isd * + * ) ,-. - / ( $0$& %" 1 2// ! 8 9 & : 4 " ; < - 2 7 w % 9 =, ,- & 9 ' 3 & 1 : 4 " ; ' * 4 ( ( * :"; e *&0 *!#" !# &0 e '( *& f$ % e e! & " ! !" ! g c * .)" ( . *!#" f 3 ? w 9 9!& "! .)" * 9 .7. 3 ? w 9 / . 9!& 9 *) ! *) 9 a a . 9!& 9 *) ! *) table 11: ac parameters (die) symbol characteristic min (2) typ (1) max (2) units conditions 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!& 9!& 9!& 9!& 9!& 9!& 9!& 9!& 9!& 9!& 15 isd % 2% ! 5$ ! #g $& # # 2 2 :;; # # / # 1. $##! 2 ! ## # ! # ! @ # 2 $ -! ! 2 $##! # 2 # @+ ! # $##! # # - 2 $##! # # 2 + ! ## / % $ % % 2 # a,a 2. !& / -. ! 0 # ! @ # -. 2 $ -! ! 2 $##! # # # ! ! 2 0 # 22 2 ! # 2 $##! #+ $##! # @ / # $ . + $ % # % #-#g 2 ! ! 0 # % 2 $ # ## 3. /& / -. ! 0 # ! @ # -. 2 $ -! ! 2 $##! # # 2 ! # 2 $##! #+ $##! # @ / # $ . + $ % # % #-#g 2 ! ! 0 # % 2 $ # ! ## 4. /& / -. ' ( 2 0 # a,a $ ! -. + / # # ! # % &% $ #-#g 2 ! ! 0 # % 2 $ # ## 5. ' ! -.( # ! .# / # @&! ! # figure 4: application example 16 voice solutions in silicon ? # % 2 $ -! ! 2 # ## # + ! ## 2 ! ## 6. $##!+ 2 ! & ## # 2 $##! # # ! # ! a,a -2 2 ! $##! # ## ! # - / % # % $ 7. -. $##!+ 2 ! ## # ! 0 0 # ! @ # -. % # $ % $ . # -. ## / % # % 8. / # /& @ # ! % - # / # m & & ! ##n # a,a # % # # a,a % ! # $ $##! # - ! 2 # # ## @ 2 $##! - ! $ # # $ 5 5 & ! . ! % # % + - # ! * ## 2# # # ! / # -. 2 / # $##! # # 2 ##! ' ( $ . # / -! ! 2 $$ + / ! & ## ! $##!+ ! # / # + ' 5 ;;; e3( - % ' ( * # # / ! % * # ## / ! # a,a+ & / % . a,a @+ / ! 2# $ . # $ # 2 # # # 2 # f# - + # !# % 5 - # & # $ . a%/ + # $$ # 2 # ! - $ 5 # 2 # & # # - 2 $ 17 isd figure 5: 28-lead 0.600-inch plastic dual inline package (pdip) (p) ! / //- table 12: plastic dual inline package (pdip) (p) dimensions inches millimeters min nom max min nom max = b b = = = / / = = ' > 5 = = = d 6 6 6 6 18 voice solutions in silicon? figure 6: 28-lead 0.300-inch plastic small outline integrated circuit (soic) (s) ! / //> table 13: plastic small outline integrated circuit (soic) (s) dimensions inches millimeters min nom max min nom max = = = = = b = / = = = = ' = > 19 isd figure 7: ISD1400 series bonding physical layout 1 * ( " ? 3 %" :;;6 i. $# # 6b <)) o $ # 0b ?c= o $ # ii. .## <= o $ # iii. ! ;; 5 ) $ # 1d 5 :: $ # = a 9 9 *8 *7 9 / / 3' >/ a a a (,e *-h- 3'/-' 3'/ *-h' i/- 9 20 voice solutions in silicon? " 0 ? 4 %" % # table 14: ISD1400 series pin/pad designations, with respect to die center (m) pin pin name x axis y axis $$" 7 = $$" 7 = $$" 7 = $$" 7 $$" 7 = $$" 7 $$" 7 7 = $$" = 7 7 a/ a! /! 7 7= 9 9 & *!#" ..&0 7 7= 9 9 &! *!#" ..&0 7 7= *8 .)" ( . 8 7== 7 *7 .)" ( . 7 7 9 9 &! *!#" ..&0 == 7 / "!.%! . 7= / 3' "!.%! 3 " = 7= >/ ! > /! "!& == 7 a a &! . 7 a (,e &! ( . = 7 = *-h- -2& 2 $ *&01) *-h' '$ 2 $ *&01) === 3'/-' 3!"$ -' ( . = i/- a! /! :!. ! &; = = 3'/ 3!"$ = = 9 9 & *!#" ..&0 7 21 isd @ ! :;; # / #+ # 2 2% ! / $- # 3 # 2 $ + ## f# % % %-# b%%% #$ part number part number * * * * i i ? ! $ ? ! $ b& )? /! "& *)$ : 6/ ! 8= 6/; !" /! "& : 6/ ! 8 6/; ? $ "& :7 6/ ! 86/; * ? -$ % *& & & *) :**; ? -$ % *& && ( & *) :(/; i ? |
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