Electronic component search and free download site.
Transistors,MosFET ,Diode,Integrated circuits

ISD25120G View Datasheet(PDF) - Information Storage Devices

Part NameDescriptionManufacturer
ISD25120G Single-Chip Voice Record/Playback Devices 60-, 75-, 90-, and 120-Second Durations ISD
Information Storage Devices 
ISD25120G Datasheet PDF : 26 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
3URGXFW'DWD6KHHWV
,6'3URGXFWV
0¦0HVVDJH&XHLQJ
0HVVDJH &XHLQJ DOORZV WKH XVHU WR VNLS WKURXJK
PHVVDJHV ZLWKRXW NQRZLQJ WKH DFWXDO SK\VLFDO
DGGUHVVHVRIHDFKPHVVDJH(DFK&(/2:SXOVH
FDXVHVWKHLQWHUQDODGGUHVVSRLQWHUWRVNLSWRWKH
QH[WPHVVDJH7KLVPRGHVKRXOGEHXVHGIRU3OD\
EDFNRQO\DQGLVW\SLFDOO\XVHGZLWKWKH02SHU
DWLRQDO0RGH
0¦'HOHWH(200DUNHUV
7KH02SHUDWLRQDO0RGHDOORZVVHTXHQWLDOO\UH
FRUGHG PHVVDJHV WR EH FRPELQHG LQWR D VLQJOH
PHVVDJHZLWKRQO\RQH(20PDUNHUVHWDWWKHHQG
RIWKHILQDOPHVVDJH:KHQWKLVRSHUDWLRQDOPRGH
LV FRQILJXUHG PHVVDJHV UHFRUGHG VHTXHQWLDOO\
DUHSOD\HGEDFNDVRQHFRQWLQXRXVPHVVDJH
0¦8QXVHG
:KHQ RSHUDWLRQDO PRGHV DUH VHOHFWHG WKH 0
SLQVKRXOGEH/2:
0¦0HVVDJH/RRSLQJ
7KH02SHUDWLRQDO0RGHDOORZVIRUWKHDXWRPDW
LF FRQWLQXRXVO\ UHSHDWHG SOD\EDFN RI WKH PHV
VDJH ORFDWHG DW WKH EHJLQQLQJ RI WKH DGGUHVV
VSDFH $ PHVVDJH FDQ FRPSOHWHO\ ILOO WKH
,6' GHYLFH DQG ZLOO ORRS IURP EHJLQQLQJ WR
HQGZLWKRXW29)JRLQJ/2:
0¦&RQVHFXWLYH$GGUHVVLQJ
'XULQJQRUPDORSHUDWLRQVWKHDGGUHVVSRLQWHUZLOO
UHVHW ZKHQ D PHVVDJH LV SOD\HG WKURXJK WR DQ
(20 PDUNHU 7KH 0 2SHUDWLRQDO 0RGH LQKLELWV
WKHDGGUHVVSRLQWHUUHVHWRQ(20DOORZLQJPHV
VDJHVWREHSOD\HGEDFNFRQVHFXWLYHO\
0¦&(/HYHO$FWLYDWHG
7KHGHIDXOWPRGHIRU,6'GHYLFHVLVIRU&(WR
EHHGJHDFWLYDWHGRQ3OD\EDFNDQGOHYHODFWLYDW
HGRQ5HFRUG7KH02SHUDWLRQDO0RGHFDXVHV
WKH&(SLQWREHLQWHUSUHWHGDVOHYHODFWLYDWHGDV
RSSRVHGWRHGJHDFWLYDWHGGXULQJ3OD\EDFN7KLV
LVVSHFLILFDOO\XVHIXOIRUWHUPLQDWLQJ3OD\EDFNRSHU
DWLRQVXVLQJWKH&(VLJQDO
,Q WKLV PRGH &( /2: EHJLQV D 3OD\EDFN F\FOH
DW WKHEHJLQQLQJRIWKHGHYLFHPHPRU\7KH3OD\
EDFNF\FOHFRQWLQXHVDVORQJDV&(LVKHOG/2:
:KHQ &( JRHV +,*+ 3OD\EDFN ZLOO LPPHGLDWHO\
HQG$QHZ&(/2:ZLOOUHVWDUWWKHPHVVDJHIURP
WKHEHJLQQLQJXQOHVV0LVDOVR+,*+
0¦3XVK%XWWRQ0RGH
7KH,6'6HULHVRIGHYLFHVFRQWDLQD3XVK%XW
WRQ RSHUDWLRQDO PRGH 7KH 3XVK%XWWRQ PRGH LV
XVHGSULPDULO\LQYHU\ORZFRVWDSSOLFDWLRQVDQGLV
GHVLJQHGWRPLQLPL]HH[WHUQDOFLUFXLWU\DQGFRP
SRQHQWVWKHUHE\UHGXFLQJV\VWHPFRVW,QRUGHUWR
FRQILJXUH WKH GHYLFH LQ 3XVK%XWWRQ RSHUDWLRQDO
PRGHWKHWZRPRVWVLJQLILFDQWDGGUHVVELWVPXVW
EH +,*+ DQG WKH 0 PRGH SLQ PXVW DOVR EH
+,*+$GHYLFHLQWKLVPRGHDOZD\VSRZHUVGRZQ
DW WKH HQG RI HDFK 3OD\EDFN RU 5HFRUG
F\FOH DIWHU &( JRHV +,*+
:KHQ WKLV RSHUDWLRQDO PRGH LV LPSOHPHQWHG
VHYHUDO RI WKH SLQV RQ WKH GHYLFH KDYH DOWHUQDWH
IXQFWLRQDOLW\
Table 2-79: Alternate Functionality in Pins
Pin Name
Alternate Functionality in

Push-Button Mode
&(
3'
(20
6WDUW3DXVH3XVK%XWWRQ
/2:SXOVHDFWLYDWHG
6WRS5HVHW3XVK%XWWRQ
+,*+SXOVHDFWLYDWHG
$FWLYH+,*+5XQ,QGLFDWRU
&(3LQ 67$573$86(
,Q 3XVK%XWWRQ 2SHUDWLRQDO 0RGH &( DFWV DV D
/2:JRLQJ SXOVHDFWLYDWHG 67$573$86( VLJQDO ,I
QRRSHUDWLRQLVFXUUHQWO\LQSURJUHVVD/2:JRLQJ
SXOVH RQ WKLV VLJQDO ZLOO LQLWLDWH D 3OD\EDFN RU D
5HFRUG F\FOH DFFRUGLQJ WR WKH OHYHO RQ WKH 35
SLQ$VXEVHTXHQWSXOVHRQWKH&(SLQEHIRUHDQ
(QG2I0HVVDJH LV UHDFKHG LQ 3OD\EDFN RU DQ
RYHUIORZ FRQGLWLRQ RFFXUV ZLOO FDXVH WKH GHYLFH
WR SDXVH 7KH DGGUHVV FRXQWHU LV QRW UHVHW DQG
DQRWKHU&(SXOVHZLOOFDXVHWKHGHYLFHWRFRQWLQ
XH WKH RSHUDWLRQ IURP WKH SODFH ZKHUH LW ZDV
SDXVHG
ISD
2-123
Direct download click here

 

Share Link : 
All Rights Reserved© datasheetq.com 2015 - 2020  ] [ Privacy Policy ] [ Request Datasheet  ] [ Contact Us ]