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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 #$! 2g#+ %! # 2 # g # # #$# # & / $$ % !h $## ## % ## & ! #! /# / + #! 2 /+ $#+ #+ # 22# /- % $# #& # ! ## $ ##$ g$#+ :;; ## 22# #!& ## ? ); #& # 2 -2# 2 f# ! # # 2 & / $$+ /! 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 ## # + & $ %&2g 22 2 :;; #& # ##- 2$ 2 2$ %&2g 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$ # $& + #! - 2+ / & + %$!%$" 5 . 2 :;; /# # &% / :;; # 2! 2 % #$& ! . 2g !# # $& $$ $ -. $ 3 #+ :); ! % #2& % - -#/ %# / $$$ 2 ); ## 2 ! $ #$! 2& g # $ / 2 o))= / $$ $ ! /! !#+ % # $! $$$ #2 ! # % # #$ /# /! 2% $ $ ! $ . # o= / # $ /! ! ! % # # $$& 2 # $ # 2 ! & # # g+ / - . ! 6 7 # 2%#b table 2: external clock sample rates part number sample rate required clock 4 voice solutions in silicon ? # $$ . # # - / -# #! #$! 2# 25+ #! -$# 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 $$" 3!"$4.&0 &.& !2 + ,$ 6 voice solutions in silicon? figure 2: record figure 3: playback !" #$ 7 isd % & & ' ( )( )( ( )( )( table 4: absolute maximum ratings (packa g ed parts) (1) condition value 5! ."" 6/ !" ."" " 76/ ! 8 6/ 9!& ..&$ ! 0 . :9 7 9; ! :9 8 9; 9!& ..&$ ! 0 . :. "" & $ ! < ; :9 7 9; ! :9 8 9; -$ ."" :!&$" 7 !$; 6/ 9 79 7 9 ! 8= 9 table 5: operating conditions (packa g ed parts) condition value /! "& !." ."" " 6/ ! 8= 6/ $"& !." ."" 7 6/ ! 86/ ..&0 2!& :9 ; 8 9 ! 8 9 >"!$ 2!& :9 ; 9 table 6: dc parameters (packa g ed parts) symbol parameters min (2) typ (1) max (2) units conditions 9 . -!# 9!& 9 9 . % 9!& 9 9 (. -!# 9!& 9 ? 9 (. % 9!& 9 ? 7 9 /"" :(."; 9 ?9 +3 ? 9 /"" :$10; @ . -) /"" < @ . /"" > #4*&& !# @ !" 9 3 (. -!$ .$ w .)" -!$ 3 *" . . 3 = w * =+ 3 a a . 3 w *" . > $b >/ ? 9 *" . > 7 7 $b >/ ? 9 8 voice solutions in silicon? * + * ) ,-. - / ( $0$& %" 1 2// ( ( 3 4!5! 3 4!5 ( 6!7 a a ! *847 > $b 3 >/ (. 3 w *" . ( !" 7 c 9 ? 9 *" . ) c 9 ? 9 table 7: ac parameters (packa g ed parts) symbol characteristic min (2) typ (1) max (2) units conditions .& "d0 &" * b$ $b 3!&&( *! $b 3!&&( *! e 3!"$ "! e *&01) "! e 3'/-' (a &0 e 3'/-' ( &0 e $$" . e e $$" !&$ e e 3!"$ *!#",. &0 e 3!"$ *!#"!# &0 e *&0 *!#",. &0 table 6: dc parameters (packa g ed parts) symbol parameters min (2) typ (1) max (2) units conditions 9 isd * + * ) ,-. - / ( $0$& %" 1 2// !89 & : 4 " ; < - 2 7 w % 9 =, ,- =- & 9 ' 3 & 1 : 4 " ; ' e *&0 *!#"!# &0 e '( *& f$% e e!& " ! !"! g c * .)" (. *!#" f 3 ? w 9 9!& "! .)" * 9 .7. 3 ? w 9 / . 9!& 9 *)!*) 9 a a . 9!& 9 *)!*) table 7: ac parameters (packa g ed parts) symbol characteristic min (2) typ (1) max (2) units conditions 10 voice solutions in silicon ? ## chart 1: record mode operating current (i cc ) chart 2: total harmonic distortion chart 3: standby current (i sb ) chart 4: oscillator stability 9!& 9!& = 9!& 9!& = 9!& 9!& = 9!& 9!& = 11 isd % & & ' ( )( )( ( )( )( table 8: absolute maximum ratings (die) (1) condition value 5! ."" 6/ !" ."" " 76/ ! 8 6/ 9!& ..&$ ! 0 .$ :9 7 9; ! :9 8 9; 9!& ..&$ ! 0 .$ :. "" & $ ! < ; :9 7 9; ! :9 8 9; 9 79 7 9 ! 8= 9 table 9: operating conditions (die) condition value /! "& !." ."" " 6/ ! 8 6/ ..&0 2!& :9 ; 8 9 ! 8 9 >"!$ 2!& :9 ; 9 table 10: dc parameters (die) symbol parameters min (2) typ (1) max (2) units conditions 9 . -!# 9!& 9 9 . % 9!& 9 9 (. -!# 9!& 9 ? 9 (. % 9!& 9 ? 7 9 /"" :(."; 9 ?9 +3 ? 9 /"" :$10; @ . -) /"" < @ . /"" > #4*&& !# @ !" 9 3 (. -!$ .$ w .)" -!$ 3 *" . . 3 = w * =+ 3 a a . 3 w *" . > $b >/ ? 9 *" . > 7 7 $b >/ ? 9 a a ! *847 > $b 12 voice solutions in silicon? * + * ) ,-. - / ( $0$& %" 1 2// ( ( 3 4!5! 3 4!5 ( 6!7 3 >/ (. 3 w *" . ( !" 7 c 9 ? 9 *" . ) c 9 ? 9 table 11: ac parameters (die) symbol characteristic min (2) typ (1) max (2) units conditions .& "d0 &" * b$ $b 3!&&( *! $b 3!&&( *! e 3!"$ "! e *&01) "! e 3'/-' (a &0 e 3'/-' ( &0 e $$" . e e $$" !&$ e e 3!"$ *!#",. &0 e 3!"$ *!#"!# &0 e *&0 *!#",. &0 table 10: dc parameters (die) symbol parameters min (2) typ (1) max (2) units conditions 13 isd * + * ) ,-. - / ( $0$& %" 1 2// !89 & : 4 " ; < - 2 7 w % 9 =, ,- & 9 ' 3 & 1 : 4 " ; ' * 4 ( ( * :"; e *&0 *!#"!# &0 e '( *& f$% e e!& " ! !"! g c * .)" (. *!#" f 3 ? w 9 9!& "! .)" * 9 .7. 3 ? w 9 / . 9!& 9 *)!*) 9 a a . 9!& 9 *)!*) table 11: ac parameters (die) symbol characteristic min (2) typ (1) max (2) units conditions 14 voice solutions in silicon ? ## chart 5: record mode operating current (i cc ) chart 6: total harmonic distortion chart 7: standby current (i sb ) chart 8: oscillator stability 9!& 9!& 9!& 9!& 9!& 9!& 9!& 9!& 9!& 9!& 9!& 9!& 15 isd % 2%! 5$ ! #g $& ## 2 2 :;; ## /# 1. $##! 2! ## # ! #! @ # 2$ -!! 2 $##! # 2 # @+ ! # $##! # # - 2 $##! # # 2+ ! ## / % $ % % 2 # a,a 2. !&/ -. ! 0 #! @ # -. 2$ -!! 2 $##! # # #! ! 2 0 # 22 2 ! # 2 $##! #+ $##! # @ / # $.+ $ %# % #-#g 2! ! 0 # % 2$ # ## 3. /&/ -. ! 0 #! @ # -. 2$ -!! 2 $##! # # 2 ! # 2 $##! #+ $##! # @ / # $.+ $ %# % #-#g 2! ! 0 # % 2$ #! ## 4. /&/ -. '( 2 0 # a,a $ ! -. + / ## ! # %&% $ #-#g 2! ! 0 # % 2$ # ## 5. '! -.( #! .# / # @&!! # figure 4: application example 16 voice solutions in silicon ? # % 2$ -!! 2 # ## # + !## 2 !## 6. $##!+ 2! & ## # 2 $##! # #! #! a,a -2 2! $##! # ## ! # - / %# % $ 7. -. $##!+ 2! ## # ! 0 0 #! @ # -. % # $ % $. # -. ## / %# % 8. /# /& @ #! % - # / # m&&!##n # a,a # % # # a,a % ! # $ $##! # -! 2 # # ## @ 2 $##! -! $ ## $ 5 5 & ! .! % # % + -# ! * ## 2# # # ! /# -. 2 /# $##! ## 2 ##! ' ( $. # / -!! 2 $$+ / ! & ## ! $##!+ ! # / # + '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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