K7R643682M K7R641882M K7R640982M Document Title Preliminary 2Mx36 & 4Mx18 & 8Mx9 QDRTM II b2 SRAM 2Mx36-bit, 4Mx18-bit, 8Mx9-bit QDRTM II b2 SRAM Revision History Rev.
No.
0.
0 0.
1 History 1.
Initial document.
1.
Update AC timing characteristics.
2.
Change the JTAG instruction coding.
1.
Change the AC timing characteristics.
(-25/-20 parts) 2.
Correct the overshoot and undershoot timing diagrams.
3.
Change the JTAG Block diagrams.
4.
Update the Boundary scan exit order.
1.
Correct the JTAG ID register definition 2.
Correct the AC timing parameter (delete the tKHKH Max value) 1.
Add the Power-on Sequence specification 1.
Correct the pin name table Draft Date Sep, 14 2002 Oct.
24, 2002 Remar...

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