English
Language : 

S75NS128NDE Datasheet, PDF (169/211 Pages) SPANSION – 1.8 Volt-only, Stacked Multi-Chip Product (MCP) x16 MirrorBit Flash Memory and DRAM
Advance Information
5HDG 0RGH 6HWWLQJ
2Q SRZHUXS RU KDUGZDUH UHVHW WKH GHYLFH LV VHW WR EH LQ DV\QFKURQRXV UHDG PRGH 7KLV VHWWLQJ
DOORZV WKH V\VWHP WR HQDEOH RU GLVDEOH EXUVW PRGH GXULQJ V\VWHP RSHUDWLRQV
3URJUDPPDEOH :DLW 6WDWH &RQILJXUDWLRQ
7KH SURJUDPPDEOH ZDLW VWDWH IHDWXUH LQIRUPV WKH GHYLFH RI WKH QXPEHU RI FORFN F\FOHV WKDW PXVW
HODSVH DIWHU $9' LV GULYHQ DFWLYH EHIRUH WKH GDWD LV DYDLODEOH 7KLV YDOXH LV GHWHUPLQHG E\ WKH
LQSXW IUHTXHQF\ RI WKH GHYLFH &RQILJXUDWLRQ %LW &5 ± &5 GHWHUPLQH WKH VHWWLQJ VHH
7DEOH  
7KH ZDLW VWDWH FRPPDQG VHTXHQFH LQVWUXFWV WKH GHYLFH WR VHW D SDUWLFXODU QXPEHU RI FORFN F\FOHV
IRU WKH LQLWLDO DFFHVV LQ EXUVW PRGH 7KH QXPEHU RI ZDLW VWDWHV WKDW VKRXOG EH SURJUDPPHG LQWR
WKH GHYLFH LV GLUHFWO\ UHODWHG WR WKH FORFN IUHTXHQF\
Table 56. Programmable Wait State Settings
&5 &5 &5
7RWDO ,QLWLDO
$FFHVV &\FOHV























 GHIDXOW



5HVHUYHG



5HVHUYHG
1RWHV
 8SRQ SRZHUXS RU KDUGZDUH UHVHW WKH GHIDXOW VHWWLQJ LV VHYHQ ZDLW VWDWHV
 5'< GHIDXOWV WR EHLQJ DFWLYH ZLWK GDWD ZKHQ WKH :DLW 6WDWH 6HWWLQJ LV VHW WR D WRWDO LQLWLDO DFFHVV
F\FOH RI 
,W LV UHFRPPHQGHG WKDW WKH ZDLW VWDWH FRPPDQG VHTXHQFH EH ZULWWHQ HYHQ LI WKH GHIDXOW ZDLW
VWDWH YDOXH LV GHVLUHG WR HQVXUH WKH GHYLFH LV VHW DV H[SHFWHG $ KDUGZDUH UHVHW VHWV WKH ZDLW
VWDWH WR WKH GHIDXOW VHWWLQJ
3URJUDPPDEOH :DLW 6WDWH
7KH KRVW V\VWHP VKRXOG VHW &5&5 WR  IRU D FORFN IUHTXHQF\ RI    0+]
IRU WKH V\VWHPGHYLFH WR H[HFXWH DW PD[LPXP VSHHG
7DEOH  GHVFULEHV WKH W\SLFDO QXPEHU RI FORFN F\FOHV ZDLW VWDWHV IRU YDULRXV FRQGLWLRQV
Table 57. Wait States for Handshaking
&RQGLWLRQV DW $GGUHVV
,QLWLDO DGGUHVV 9&&4  9
7\SLFDO 1R RI &ORFN &\FOHV DIWHU $9' /RZ
 0+]
 0+]


+DQGVKDNLQJ
)RU RSWLPDO EXUVW PRGH SHUIRUPDQFH WKH KRVW V\VWHP PXVW VHW WKH DSSURSULDWH QXPEHU RI ZDLW
VWDWHV LQ WKH IODVK GHYLFH GHSHQGLQJ RQ WKH FORFN IUHTXHQF\
September 23, 2005 S75NS128NDE_00 A2
S75NS128NDE based MCPs
167