1. A personal digital assistant (PDA) comprising:
a multiple-bit per cell (MBC) non-volatile memory apparatus including:
a memory array including an electrically erasable block;
the block including a reprogrammable page;
the reprogrammable page comprising upper and lower pages sharing common word-lines;
the upper and lower pages including respective upper and lower data fields;
the upper and lower data fields including respective virtual upper and lower cells of MBC memory cells;
the MBC memory cells having respective threshold voltages programmable to a selected one of first level, second level, third level, or fourth level in order from the lowest voltage level,
wherein programming the lower cells comprises programming the respective threshold voltages from the first threshold voltage level to the second threshold voltage level, and
programming upper cells comprises programming the respective threshold voltages from the first threshold voltage level to the fourth threshold voltage level or from the second threshold voltage level to the third threshold voltage level; and
a controller for writing data to the memory array, wherein the controller controls polarity by selectively inverting data to maximize a number of the bits within a lower page to be programmed and selectively inverting data to minimize a number of bits to be programmed in the respective upper page.
2. The PDA as claimed in claim 1 wherein the upper and lower pages comprise respective upper and lower spare fields.
3. The PDA as claimed in claim 2 wherein the upper and lower spare fields comprise respective upper and lower page polarity flags.
4. The PDA as claimed in claim 1 wherein the first level, the second level, the third level, and the fourth level of threshold voltages are defined as \u201811\u2019, \u201810\u2019, \u201800\u2019, and \u201801\u2019 combinations of the upper and lower cells each respectively.
5. The PDA as claimed in claim 4 wherein the first level threshold voltage represents an erased state.
6. The PDA as claimed in claim 4 wherein the first level threshold voltage represents an unprogrammed upper cell and an unprogrammed lower cell.
7. The PDA as claimed in claim 1 wherein the second level threshold voltage represents an unprogrammed upper cell and a programmed lower cell.
8. The PDA as claimed in claim 1 wherein the third level threshold voltage represents a programmed upper cell and a programmed lower cell.
9. The PDA as claimed in claim 1 wherein the second level threshold voltage represents a programmed upper cell and an unprogrammed lower cell.
10. The PDA as claimed in claim 1 wherein the upper and lower pages further comprise respective upper and lower spare fields.
11. The PDA as claimed in claim 10 wherein the upper and lower spare fields include respective upper and lower polarity flags.
12. The PDA as claimed in claim 1 wherein the controller comprises means for reading data from the memory array wherein the controller includes means for sensing threshold voltages of MBC cells within a page, means for providing an upper data word by comparing the threshold voltages to a predetermined voltage reference, and means for inverting the upper data word if a upper page polarity flag is set.
13. The PDA as claimed in claim 1 wherein the controller comprises means for reading data from the memory array wherein the controller includes means for sensing threshold voltages of MBC cells within a page, means for providing a lower data word by comparing the threshold voltages to two predetermined voltage references, and means for inverting the lower data word if a lower page polarity flag is set
14. A personal digital assistant (PDA) including a multi-bit per cell (MBC) non-volatile memory including means for reading data comprising:
means for sensing threshold voltages of MBC cells within a page;
means for providing an upper data word by comparing the threshold voltages to a predetermined voltage reference; and
means for inverting the upper data word if an upper page polarity flag is set.
15. The PDA as claimed in claim 14 wherein the means for inverting the upper data word comprises means for reading the upper page polarity flag from a spare field.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
What we claim as the invention is:
1) A method for establishing a collaborative program management concept to conduct business within a Web site establishment, in conjunction with outside business customers wishing to form a business affiliation, through the:
a) Creation of a program management team(s), administered by a Program Management process, to recommend actions that affect the Web site establishment and also its team members.
b) Admission of a Program Manager(s), and outside business customers who may be represented by an agent or company contact, as members in the program management team(s).
c) Interaction of the program management team members in a collaborative working member setting and arrangement.
d) Appointment of the Program Manager(s), who may or may-not be an employee(s) or agent(s) of the Web site establishment, to operate and manage the program management team.
2) The method of claim 1, wherein said Web site establishment is a Portal Web site.
3) The method of claim 1, wherein said Web site establishment is an Anchor Web site.
4) The method of claim 1, wherein said Web site establishment is a Search Engine Web site.
5) The method of claim 1, wherein said Web site establishment is an Infomediary Web site.
6) The method of claim 1, wherein said Web site establishment is a Regional Theme Site.
7) The method of claim 1, wherein said Web site establishment are all those remaining Web sites not mentioned in claims 2-6.
8) The method of claim 1, wherein step (a) program management team is contractually authorized to affect the appearance andor content of the Web site establishment.
9) The method of claim 8, wherein said Web site establishment is a Portal Web site.
10) The method of claim 8, wherein said Web site establishment is an Anchor Web site.
11) The method of claim 8, wherein said Web site establishment is a Search Engine Web site.
12) The method of claim 8, wherein said Web site establishment is an Infomediary Web site.
13) The method of claim 8, wherein said Web site establishment is a Regional Theme Site.
14) The method of claim 8, wherein said Web site establishment are all those remaining Web sites not mentioned in claims 9-13.