JP7278394B2 - フラッシュメモリーコントローラーを有する結合されたメモリーデバイス、ならびに、その製作方法および動作方法 - Google Patents
フラッシュメモリーコントローラーを有する結合されたメモリーデバイス、ならびに、その製作方法および動作方法 Download PDFInfo
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- JP7278394B2 JP7278394B2 JP2021545899A JP2021545899A JP7278394B2 JP 7278394 B2 JP7278394 B2 JP 7278394B2 JP 2021545899 A JP2021545899 A JP 2021545899A JP 2021545899 A JP2021545899 A JP 2021545899A JP 7278394 B2 JP7278394 B2 JP 7278394B2
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Description
本出願は、2019年4月30日に出願された「THREE-DIMENSIONAL MEMORY DEVICE WITH EMBEDDED DYNAMIC RANDOM-ACCESS MEMORY」という標題の国際出願第PCT/CN2019/085237号の優先権の利益を主張し、その文献は、その全体が参照により本明細書に組み込まれている。
102 第1の半導体構造体
104 第2の半導体構造体
106 ボンディングインターフェース
200 半導体構造体
202 ワードラインドライバー
204 ページバッファー
206 フラッシュメモリーコントローラー
300 メモリーデバイス
301 メモリーデバイス
302 第1の半導体構造体
304 第2の半導体構造体
305 第2の半導体構造体
306 ボンディングインターフェース
308 基板
310 デバイス層
312 フラッシュメモリーコントローラー
314 周辺回路
316 ロジックトランジスター
322 相互接続層
324 ボンディング層
326 ボンディング接触部
328 ボンディング層
329 ボンディング層
330 ボンディング接触部
331 ボンディング接触部
332 相互接続層
333 メモリースタック
334 導体層
335 相互接続層
336 誘電体層
337 2D NANDメモリーセル
338 3D NANDメモリーストリング
339 ソース/ドレイン
340 メモリーフィルム
341 選択トランジスター
342 半導体チャネル
343 フローティングゲート
344 プラグ
345 制御ゲート
346 プラグ
347 半導体層
348 半導体層
349 パッドアウト相互接続層
350 パッドアウト相互接続層
351 接触パッド
352 接触パッド
353 接触部
354 接触部
400 メモリーデバイス
401 メモリーデバイス
402 第1の半導体構造体
403 第1の半導体構造体
404 第2の半導体構造体
405 2D NANDメモリーセル
406 ボンディングインターフェース
407 ソース/ドレイン
408 基板
409 選択トランジスター
410 メモリースタック
411 フローティングゲート
412 導体層
413 制御ゲート
414 誘電体層
415 ボンディング層
416 3D NANDメモリーセル
417 ボンディング接触部
418 メモリーフィルム
419 相互接続層
420 半導体チャネル層
422 プラグ
424 プラグ
426 相互接続層
428 ボンディング層
430 ボンディング接触部
432 ボンディング層
434 ボンディング接触部
436 相互接続層
438 デバイス層
440 半導体層
442 フラッシュメモリーコントローラー
444 周辺回路
446 ロジックトランジスター
452 パッドアウト相互接続層
454 接触パッド
456 接触部
502 基板
504 ロジックトランジスター
510 デバイス層
512 相互接続層
514 ボンディング層
516 ボンディング接触部
602 シリコン基板
603 2D NANDメモリーセル
604 メモリースタック
605 ソース/ドレイン
606 導体層
607 選択トランジスター
608 誘電体層
609 フローティングゲート
610 3D NANDメモリーストリング
611 制御ゲート
612 プラグ
613 相互接続層
614 メモリーフィルム
615 ボンディング層
616 半導体層
617 ボンディング接触部
618 プラグ
620 相互接続層
622 ボンディング層
624 ボンディング接触部
702 ボンディングインターフェース
703 ボンディングインターフェース
704 半導体層
705 半導体層
706 パッドアウト相互接続層
707 パッドアウト相互接続層
708 パッド接触部
709 パッド接触部
710 接触部
711 接触部
802 PCB
804 ホストプロセッサー
806 フラッシュメモリーコントローラー
808 NANDメモリー
902 PCB
904 メモリーデバイス
906 ホストプロセッサー
908 フラッシュメモリーコントローラー
910 NANDメモリー
912 周辺回路
1002 ホストI/F
1004 管理モジュール
1006 NANDメモリーI/F
1008 ECCモジュール
Claims (17)
- メモリーデバイスであって、
フラッシュメモリーコントローラー、周辺回路、第1の相互接続層、および、複数の第1のボンディング接触部を含む第1のボンディング層を含む、第1の半導体構造体と、
NANDメモリーセルのアレイ、第2の相互接続層、接触部、パッドアウト相互接続層、および、複数の第2のボンディング接触部を含む第2のボンディング層を含む、第2の半導体構造体であって、前記フラッシュメモリーコントローラーおよび前記周辺回路は、前記第1の相互接続層および前記第2の相互接続層、ならびに、前記第1のボンディング接触部および前記第2のボンディング接触部を通して、前記NANDメモリーセルのアレイに電気的に接続されている、第2の半導体構造体と、
前記第1のボンディング層と前記第2のボンディング層との間のボンディングインターフェースであって、前記第1のボンディング接触部は、前記ボンディングインターフェースにおいて、前記第2のボンディング接触部と接触している、ボンディングインターフェースと
を含み、
前記周辺回路のうちの少なくともいくつかは、前記フラッシュメモリーコントローラーの外側に形成され、前記フラッシュメモリーコントローラーおよび前記周辺回路のうちの少なくともいくつかは、互いにスタックされている、メモリーデバイス。 - 前記第1の半導体構造体は、
基板と、
前記基板の上の前記フラッシュメモリーコントローラーと、
前記基板の上にある前記周辺回路であって、前記周辺回路のうちの少なくともいくつかは、前記フラッシュメモリーコントローラーの外側に形成され、前記フラッシュメモリーコントローラーおよび前記周辺回路のうちの少なくともいくつかは、互いにスタックされている、前記周辺回路と、
前記フラッシュメモリーコントローラーおよび前記周辺回路の上方の前記第1のボンディング層と
を含む、請求項1に記載のメモリーデバイス。 - 前記第2の半導体構造体は、
前記第1のボンディング層の上方の前記第2のボンディング層と、
前記第2のボンディング層の上方のメモリースタックと、
前記メモリースタックを通って垂直方向に延在する3次元(3D)NANDメモリーストリングのアレイと、
前記3D NANDメモリーストリングのアレイの上方にあり、前記3D NANDメモリーストリングのアレイと接触している半導体層と
を含む、請求項2に記載のメモリーデバイス。 - 前記第2の半導体構造体は、
前記第1のボンディング層の上方の前記第2のボンディング層と、
前記第2のボンディング層の上方の2次元(2D)NANDメモリーセルのアレイと、
前記2D NANDメモリーセルのアレイの上方にあり、前記2D NANDメモリーセルのアレイと接触している半導体層と
を含む、請求項2に記載のメモリーデバイス。 - 前記第2の半導体構造体は、
基板と、
前記基板の上方のメモリースタックと、
前記メモリースタックを通って垂直方向に延在する3D NANDメモリーストリングのアレイと、
前記メモリースタックおよび前記3D NANDメモリーストリングのアレイの上方の前記第2のボンディング層と
を含む、請求項1に記載のメモリーデバイス。 - 前記第2の半導体構造体は、
基板と、
前記基板の上の2D NANDメモリーセルのアレイと、
前記2D NANDメモリーセルのアレイの上方の前記第2のボンディング層と
を含む、請求項1に記載のメモリーデバイス。 - 前記第1の半導体構造体は、垂直方向に前記第1のボンディング層と前記フラッシュメモリーコントローラーとの間に第1の相互接続層を含み、前記第2の半導体構造体は、垂直方向に前記第2のボンディング層と前記NANDメモリーセルのアレイとの間に第2の相互接続層を含む、請求項1に記載のメモリーデバイス。
- 前記フラッシュメモリーコントローラーは、ホストプロセッサーに動作可能に連結されているホストインターフェースと、前記NANDメモリーセルのアレイに動作可能に連結されているNANDメモリーインターフェースと、管理モジュールと、エラー訂正コード(ECC)モジュールとを含む、請求項1に記載のメモリーデバイス。
- 前記ECCモジュールは、ECCを処理するように構成されており、
前記管理モジュールは、不良ブロック管理、ガーベッジコレクション、論理的アドレスから物理的アドレスへの変換、またはウェアレベリングのうちの少なくとも1つを管理するように構成されている、請求項8に記載のメモリーデバイス。 - メモリーデバイスを形成するための方法であって、
第1の半導体構造体を形成するステップであって、前記第1の半導体構造体は、フラッシュメモリーコントローラー、周辺回路、第1の相互接続層、および、複数の第1のボンディング接触部を含む第1のボンディング層を含む、ステップと、
第2の半導体構造体を形成するステップであって、前記第2の半導体構造体は、NANDメモリーセルのアレイ、第2の相互接続層、接触部、パッドアウト相互接続層、および、複数の第2のボンディング接触部を含む第2のボンディング層を含み、前記フラッシュメモリーコントローラーおよび前記周辺回路は、前記第1の相互接続層および前記第2の相互接続層、ならびに、前記第1のボンディング接触部および前記第2のボンディング接触部を通して、前記NANDメモリーセルのアレイに電気的に接続されている、ステップと、
前記第1のボンディング接触部がボンディングインターフェースにおいて前記第2のボンディング接触部と接触するように、前記第1の半導体構造体および前記第2の半導体構造体を向かい合った様式で結合するステップと
を含み、
前記周辺回路のうちの少なくともいくつかは、前記フラッシュメモリーコントローラーの外側に形成され、前記フラッシュメモリーコントローラーおよび前記周辺回路のうちの少なくともいくつかは、互いにスタックされている、方法。 - 前記第1の半導体構造体を形成するステップは、
第1の基板の上に前記フラッシュメモリーコントローラーおよび前記周辺回路を形成するステップと、
前記フラッシュメモリーコントローラーおよび前記周辺回路の上方に第1の相互接続層を形成するステップと、
前記第1の相互接続層の上方に前記第1のボンディング層を形成するステップと
を含む、請求項10に記載の方法。 - 前記第2の半導体構造体を形成するステップは、
第2の基板の上方にメモリースタックを形成するステップと、
前記メモリースタックを通って垂直方向に延在する3次元(3D)NANDメモリーストリングのアレイを形成するステップと、
前記3D NANDメモリーストリングのアレイの上方に第2の相互接続層を形成するステップと、
前記第2の相互接続層の上方に前記第2のボンディング層を形成するステップと
を含む、請求項10に記載の方法。 - 前記第2の半導体構造体を形成するステップは、
第2の基板の上に2次元(2D)NANDメモリーセルのアレイを形成するステップと、
前記2D NANDメモリーセルのアレイの上方に第2の相互接続層を形成するステップと、
前記第2の相互接続層の上方に前記第2のボンディング層を形成するステップと
を含む、請求項10に記載の方法。 - 前記第2の半導体構造体は、前記結合するステップの後に、前記第1の半導体構造体の上方にあり、
前記方法は、
前記結合するステップの後に半導体層を形成するために第2の基板を薄くするステップと、
前記半導体層の上方にパッドアウト相互接続層を形成するステップと
をさらに含む、請求項10に記載の方法。 - 前記第1の半導体構造体は、前記結合するステップの後に、前記第2の半導体構造体の上方にあり、
前記方法は、
前記結合するステップの後に半導体層を形成するために第1の基板を薄くするステップと、
前記半導体層の上方にパッドアウト相互接続層を形成するステップと
をさらに含む、請求項10に記載の方法。 - フラッシュメモリーコントローラーと、周辺回路と、NANDメモリーセルのアレイとを同じ結合されたチップの中に含む、請求項1から9の何れか一項に記載のメモリーデバイスを動作させるための方法であって、
前記フラッシュメモリーコントローラーによって、ホストプロセッサーからのインストラクションを受信するステップと、
前記インストラクションに基づいて前記NANDメモリーセルのアレイの動作を制御するために、前記フラッシュメモリーコントローラーによって、複数のボンディング接触部を通して前記NANDメモリーセルのアレイに制御信号を送信するステップと、
前記フラッシュメモリーコントローラーによって、前記複数のボンディング接触部を通して前記NANDメモリーセルのアレイから前記動作を示すステータス信号を受信するステップと
を含む、方法。 - 前記NANDメモリーセルのアレイの中にデータを記憶するステップと、
前記フラッシュメモリーコントローラーによって、前記データに関するエラー訂正コード(ECC)を処理するステップと、
前記フラッシュメモリーコントローラーによって、前記データに関する不良ブロック管理、ガーベッジコレクション、論理的アドレスから物理的アドレスへの変換、またはウェアレベリングのうちの少なくとも1つを管理するステップと
をさらに含む、請求項16に記載の方法。
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CN110537260A (zh) | 2019-12-03 |
CN110537260B (zh) | 2021-08-03 |
KR20240058979A (ko) | 2024-05-07 |
TWI712161B (zh) | 2020-12-01 |
WO2020220483A1 (en) | 2020-11-05 |
JP2022519659A (ja) | 2022-03-24 |
TW202042379A (zh) | 2020-11-16 |
EP3891808A1 (en) | 2021-10-13 |
KR20210110861A (ko) | 2021-09-09 |
US20200350286A1 (en) | 2020-11-05 |
EP3891808A4 (en) | 2022-11-09 |
KR102661281B1 (ko) | 2024-04-30 |
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