WO2007134316A3 - Off-die charge pump that supplies multiple flash devices - Google Patents

Off-die charge pump that supplies multiple flash devices Download PDF

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Publication number
WO2007134316A3
WO2007134316A3 PCT/US2007/068958 US2007068958W WO2007134316A3 WO 2007134316 A3 WO2007134316 A3 WO 2007134316A3 US 2007068958 W US2007068958 W US 2007068958W WO 2007134316 A3 WO2007134316 A3 WO 2007134316A3
Authority
WO
WIPO (PCT)
Prior art keywords
charge pump
flash memory
multiple flash
flash devices
supplies multiple
Prior art date
Application number
PCT/US2007/068958
Other languages
French (fr)
Other versions
WO2007134316A2 (en
Inventor
Michael J Cornwell
Christopher P Dudte
Original Assignee
Apple Inc
Michael J Cornwell
Christopher P Dudte
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Apple Inc, Michael J Cornwell, Christopher P Dudte filed Critical Apple Inc
Publication of WO2007134316A2 publication Critical patent/WO2007134316A2/en
Publication of WO2007134316A3 publication Critical patent/WO2007134316A3/en

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/56—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency
    • G11C11/5621—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency using charge storage in a floating gate
    • G11C11/5628—Programming or writing circuits; Data input circuits
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C16/00—Erasable programmable read-only memories
    • G11C16/02—Erasable programmable read-only memories electrically programmable
    • G11C16/04—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS
    • G11C16/0483—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS comprising cells having several storage transistors connected in series
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C16/00—Erasable programmable read-only memories
    • G11C16/02—Erasable programmable read-only memories electrically programmable
    • G11C16/06—Auxiliary circuits, e.g. for writing into memory
    • G11C16/10—Programming or data input circuits
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C16/00—Erasable programmable read-only memories
    • G11C16/02—Erasable programmable read-only memories electrically programmable
    • G11C16/06—Auxiliary circuits, e.g. for writing into memory
    • G11C16/24—Bit-line control circuits
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C16/00—Erasable programmable read-only memories
    • G11C16/02—Erasable programmable read-only memories electrically programmable
    • G11C16/06—Auxiliary circuits, e.g. for writing into memory
    • G11C16/30—Power supply circuits
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
    • G11C29/70—Masking faults in memories by using spares or by reconfiguring
    • G11C29/78—Masking faults in memories by using spares or by reconfiguring using programmable devices
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C5/00—Details of stores covered by group G11C11/00
    • G11C5/02—Disposition of storage elements, e.g. in the form of a matrix array
    • G11C5/04—Supports for storage elements, e.g. memory modules; Mounting or fixing of storage elements on such supports
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C5/00—Details of stores covered by group G11C11/00
    • G11C5/14—Power supply arrangements, e.g. power down, chip selection or deselection, layout of wirings or power grids, or multiple supply levels
    • G11C5/145—Applications of charge pumps; Boosted voltage circuits; Clamp circuits therefor
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/56—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency
    • G11C11/5621—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency using charge storage in a floating gate
    • G11C11/5642—Sensing or reading circuits; Data output circuits

Abstract

A system and method for storing data uses multiple flash memory dies. Each flash memory die (103) includes multiple flash memory cells (124). A charge pump (1010) is adapted to supply charge at a predetermined voltage to each flash memory die of the flash memory dies, and an interface (115) is adapted to receive instructions for controlling the charge pump (1010).
PCT/US2007/068958 2006-05-15 2007-05-15 Off-die charge pump that supplies multiple flash devices WO2007134316A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US80035706P 2006-05-15 2006-05-15
US60/800,357 2006-05-15
US11/694,799 US8000134B2 (en) 2006-05-15 2007-03-30 Off-die charge pump that supplies multiple flash devices
US11/694,799 2007-03-30

Publications (2)

Publication Number Publication Date
WO2007134316A2 WO2007134316A2 (en) 2007-11-22
WO2007134316A3 true WO2007134316A3 (en) 2008-03-27

Family

ID=38684934

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/068958 WO2007134316A2 (en) 2006-05-15 2007-05-15 Off-die charge pump that supplies multiple flash devices

Country Status (2)

Country Link
US (6) US8000134B2 (en)
WO (1) WO2007134316A2 (en)

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US20150380083A1 (en) 2015-12-31
US20140313826A1 (en) 2014-10-23

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