JP6488401B2 - Romセルを含む不揮発性メモリセルのアレイ - Google Patents
Romセルを含む不揮発性メモリセルのアレイ Download PDFInfo
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- H10B—ELECTRONIC MEMORY DEVICES
- H10B41/00—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates
- H10B41/30—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by the memory core region
- H10B41/35—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by the memory core region with a cell select transistor, e.g. NAND
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- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42324—Gate electrodes for transistors with a floating gate
- H01L29/42328—Gate electrodes for transistors with a floating gate with at least one additional gate other than the floating gate and the control gate, e.g. program gate, erase gate or select gate
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- H—ELECTRICITY
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- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/788—Field effect transistors with field effect produced by an insulated gate with floating gate
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/788—Field effect transistors with field effect produced by an insulated gate with floating gate
- H01L29/7881—Programmable transistors with only two possible levels of programmation
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B20/00—Read-only memory [ROM] devices
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B20/00—Read-only memory [ROM] devices
- H10B20/27—ROM only
- H10B20/30—ROM only having the source region and the drain region on the same level, e.g. lateral transistors
- H10B20/34—Source electrode or drain electrode programmed
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B20/00—Read-only memory [ROM] devices
- H10B20/27—ROM only
- H10B20/30—ROM only having the source region and the drain region on the same level, e.g. lateral transistors
- H10B20/36—Gate programmed, e.g. different gate material or no gate
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B20/00—Read-only memory [ROM] devices
- H10B20/27—ROM only
- H10B20/30—ROM only having the source region and the drain region on the same level, e.g. lateral transistors
- H10B20/38—Doping programmed, e.g. mask ROM
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B41/00—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates
- H10B41/10—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by the top-view layout
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
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- H10B41/40—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by the peripheral circuit region
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Description
本出願は、2015年3月4日に出願された米国特許出願第14/639,063号の利益を主張する。
Claims (11)
- メモリデバイスであって、
半導体基板と、
複数のROMセルであって、前記ROMセルの各々が、
前記基板内に形成された離間配置された第1のソース領域及び第1のドレイン領域であって、それらの間にチャネル領域を有する、離間配置された第1のソース領域及び第1のドレイン領域、
前記チャネル領域の第1の部分の上に配設され、そこから絶縁された第1のゲート、並びに
前記チャネル領域の第2の部分の上に配設され、そこから絶縁された第2のゲートとを備えた、複数のROMセルと、
前記複数のROMセルの上に延在する導電線と、を備え、
前記導電線が、前記複数のROMセルの第1のサブグループの前記第1のドレイン領域に電気的に結合され、前記複数のROMセルの第2のサブグループの前記第1のドレイン領域に電気的に結合されず、
前記複数のROMセルの前記第1のサブグループの前記第1のドレイン領域の各々が、前記第1のドレイン領域から前記導電線に延在する導電性コンタクトにより前記導電線に電気的に結合され、
前記複数のROMセルの前記第2のサブグループの各々が、
前記第1のドレイン領域の上に直接的に配設された絶縁材料層と、
前記絶縁材料層と前記導電線との間に延在する導電性コンタクトと、
を備え、
前記メモリデバイスは、複数のNVMセルを更に備え、
前記複数のNVMセルの各々が、
前記基板内に形成された離間配置された第2のソース領域及び第2のドレイン領域であって、それらの間に第2のチャネル領域を有する、離間配置された第2のソース領域及び第2のドレイン領域と、
前記第2のチャネル領域の第1の部分の上に配設され、そこから絶縁された浮遊ゲートと、
前記チャネル領域の第2の部分の上に配設され、そこから絶縁された選択ゲートとを備えた、メモリデバイス。 - 前記NVMセルの各々が、
前記浮遊ゲート上に配設され、そこから絶縁された制御ゲートと、
前記第2のソース領域の上に配設され、そこから絶縁された消去ゲートと、を更に備えた、請求項1に記載のメモリデバイス。 - 前記基板の上に配設され、そこから絶縁された複数のダミーゲートであって、前記ダミーゲートの各々が、前記第1のドレイン領域のうちの2つの間に配設された、複数のダミーゲート、を更に備えた、請求項1に記載のメモリデバイス。
- 前記ROMセルの各々が、
前記第1のゲートの上に配設され、そこから絶縁された第3のゲートを更に備えた、請求項1に記載のメモリデバイス。 - 前記ROMセルの各々が、
前記第1のゲートの上に配設され、そこに電気的に結合された第3のゲートを更に備えた、請求項1に記載のメモリデバイス。 - メモリデバイスであって、
半導体基板と、
複数のROMセルであって、前記ROMセルの各々が、
前記基板内に形成された離間配置された第1のソース領域及び第1のドレイン領域であって、それらの間にチャネル領域を有する、離間配置された第1のソース領域及び第1のドレイン領域と、
前記チャネル領域の第1の部分の上に配設され、そこから絶縁された第1のゲートと、
前記チャネル領域の第2の部分の上に配設され、そこから絶縁された第2のゲートとを備えた、複数のROMセルであって、
前記複数のROMセルの第1のサブグループの各々について、前記ROMセルが、前記チャネル領域内に、より高い電圧閾値の注入領域を含み、
前記複数のROMセルの第2のサブグループの各々について、前記ROMセルが、前記チャネル領域内に、いかなるより高い電圧閾値の注入領域も有しない、複数のROMセルと、
を備え、
前記メモリデバイスは、複数のNVMセルを更に備え、
前記複数のNVMセルの各々が、
前記基板内に形成された離間配置された第2のソース領域及び第2のドレイン領域であって、それらの間に第2のチャネル領域を有する、離間配置された第2のソース領域及び第2のドレイン領域と、
前記第2のチャネル領域の第1の部分の上に配設され、そこから絶縁された浮遊ゲートと、
前記チャネル領域の第2の部分の上に配設され、そこから絶縁された選択ゲートとを備えた、メモリデバイス。 - 前記NVMセルの各々が、
前記浮遊ゲートの上に配設され、そこから絶縁された制御ゲートと、
前記第2のソース領域の上に配設され、そこから絶縁された消去ゲートと、を更に備えた、請求項6に記載のメモリデバイス。 - 前記複数のROMセルの前記第1のサブグループの各々について、前記より高い電圧閾値の注入領域が、前記第1のソース領域から前記第1のドレイン領域に向かって延在するが、前記第1のドレイン領域には達していない、請求項6に記載のメモリデバイス。
- 前記ROMセルの各々が、
前記第1のゲートの上に配設され、そこに電気的に結合された第3のゲートを更に備えた、請求項6に記載のメモリデバイス。 - 前記ROMセルの各々が、
前記第1のゲートの上に配設され、そこから絶縁された第3のゲートを更に備えた、請求項6に記載のメモリデバイス。 - 前記複数のROMセルの前記第2のサブグループの各々について、前記より高い電圧閾値の注入領域が、前記第2のゲートの下に配設された、請求項10に記載のメモリデバイス。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510089866.9 | 2015-02-27 | ||
CN201510089866.9A CN105990367B (zh) | 2015-02-27 | 2015-02-27 | 具有rom单元的非易失性存储器单元阵列 |
US14/639,063 | 2015-03-04 | ||
US14/639,063 US9601500B2 (en) | 2015-02-27 | 2015-03-04 | Array of non-volatile memory cells with ROM cells |
PCT/US2016/016738 WO2016137720A1 (en) | 2015-02-27 | 2016-02-05 | Array of non-volatile memory cells with rom cells |
Publications (2)
Publication Number | Publication Date |
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JP2018506862A JP2018506862A (ja) | 2018-03-08 |
JP6488401B2 true JP6488401B2 (ja) | 2019-03-20 |
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JP2017545283A Active JP6488401B2 (ja) | 2015-02-27 | 2016-02-05 | Romセルを含む不揮発性メモリセルのアレイ |
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US (2) | US9601500B2 (ja) |
EP (1) | EP3262683A1 (ja) |
JP (1) | JP6488401B2 (ja) |
KR (1) | KR102003628B1 (ja) |
CN (1) | CN105990367B (ja) |
TW (1) | TWI581371B (ja) |
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KR102182583B1 (ko) | 2016-05-17 | 2020-11-24 | 실리콘 스토리지 테크놀로지 인크 | 비휘발성 메모리 어레이를 사용하는 딥러닝 신경망 분류기 |
CN106847818B (zh) * | 2017-02-14 | 2020-05-01 | 上海华虹宏力半导体制造有限公司 | 分栅快闪存储器的制备方法 |
KR102626791B1 (ko) * | 2017-08-28 | 2024-01-19 | 에이에스엠엘 네델란즈 비.브이. | 미리 결정된 시동 값을 갖는 메모리 디바이스 |
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2015
- 2015-02-27 CN CN201510089866.9A patent/CN105990367B/zh active Active
- 2015-03-04 US US14/639,063 patent/US9601500B2/en active Active
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2016
- 2016-02-05 JP JP2017545283A patent/JP6488401B2/ja active Active
- 2016-02-05 EP EP16706290.0A patent/EP3262683A1/en not_active Withdrawn
- 2016-02-05 KR KR1020177027334A patent/KR102003628B1/ko active IP Right Grant
- 2016-02-24 TW TW105105437A patent/TWI581371B/zh active
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TWI581371B (zh) | 2017-05-01 |
US9601500B2 (en) | 2017-03-21 |
US20160379941A1 (en) | 2016-12-29 |
CN105990367A (zh) | 2016-10-05 |
JP2018506862A (ja) | 2018-03-08 |
KR20170121261A (ko) | 2017-11-01 |
KR102003628B1 (ko) | 2019-07-24 |
EP3262683A1 (en) | 2018-01-03 |
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