Re: LZ: Re: RAM EXPANDER IMPORTANT ANNOUNCEMENT --
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I thought the V series is the PLCC packaging which you advised against...?
"Freedom of speech is in the constitution, abuse of it is in the slums"
-= Zenon@bbs.nexes.com =-
----------
: From: list-zshell@lists.ticalc.org
: To: Zenon
: Subject: Re: LZ: Re: RAM EXPANDER IMPORTANT ANNOUNCEMENT --
: Date: October 18, 1996 3:56 PM
:
:
: On Thu, 17 Oct 1996 14:17:05 -0600, you wrote:
: >I just recieved the NM29A040M and the NM29A080M chips and, after I
noticed
: >that on the data sheets the block write mode is 67.1kbytes/s and the
block
: >read mode is 325.8kbytes/s whereas the page write mode is 50.8kbytes/s
and
: >the page read mode is 127.5kbytes/s, why don't you use the block read
and
: >write modes? Also, you can erase then using block mode.
: >
:
: First, you probably should have gotten the NM29A040V, not the "M"
: series, because the M series will be a bitch to solder to the board.
: The chips are equivalent, but they'll be harder to use.
:
: Also, those "block read" and "page read" values are very confusing,
: and they don't explain the table very well. First, there really isn't
: a such thing as a "block read" function in the chip. ALL chip reads
: deal with pages, not blocks, so I don't exactly know what that block
: read rate means. Nonetheless, we will never get close to either
: limits, so those rates won't have any significance to the user.
:
: -Mel
:
: --
: The TI Memory Expansion Homepage
: http://pilot.msu.edu/user/tsaimelv/expander.htm
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