Abstract:
본 발명에 따른 전하 트랩형 플래시 메모리 장치의 관리 방법은, 비사용 메모리 셀들을 선택하는 단계; 및 상기 비사용 메모리 셀들을 소정의 문턱 전압 상태로 프로그램하는 단계를 포함한다. 상술한 관리 방법에 따르면, 전하 트랩형 플래시 메모리 장치에서 데이터 저장용으로 사용되지 않는 비사용 메모리 셀들이 받는 소거 스트레스를 차단하여 신뢰성 높은 전하 트랩형 플래시 메모리 장치를 제공할 수 있다.
Abstract:
A flash memory device, a program and erasing method thereof, and a memory system and computer system including the same are provided to prevent/minimize changes of threshold voltages of flash memory cells. A memory cell array(110) includes a plurality of word lines and a plurality of bit lines. A voltage generating circuit(160) generates word line voltages to be applied to the word lines and bulk voltages to be applied to bulks including memory cells. A decoding circuit(120) drives the word lines by using the word line voltages. A write/read circuit(130) programs the memory cells and reads the data from the programmed memory cells. A control logic controls repeatedly the voltage generating circuit, the decoding circuit, and the write/read circuit during a predetermined delay time.
Abstract:
A flash memory device, erasing and programming methods thereof, and memory system including the same is provided to prevent a change of a threshold voltage generated after erase and program operation by rearranging electron and hole in a charge storage layer. A flash memory device, erasing and programming methods thereof performs a write operation through a plurality of write loops. The write loop comprises a write active block, a verify block, and an electric charge rearranging block. The electric charge rearranging block is positioned between the verify block and a write active block, or next to the verify block. A selected memory cell is maintained into a discharge bias condition for electric charge rearranging/recombination block of each write loop.
Abstract:
PURPOSE: An optical fiber cable for air blowing installation is provided to prevent the optical cables from contracting by applying a plurality of pillars made of polymers between a plurality of strength members on the outside of a tube. CONSTITUTION: An optical fiber cable for air blowing installation includes a plurality of optical fibers(310), a tube(340), a plurality of pillars(330), a plurality of strength member(320), and an output coating(350). The optical fibers transmits an optical signal therein. The tube binds the optical fibers. The plurality of pillars enclose an outer circumference of the tube so that the tubes are spaced with a predetermined spacing. The plurality of strength member enclose the outer circumference of the tube between the pillars so as to improve a strength of the optical fiber cable. The output coating has a recess/concave shape so as to enclose the outer circumference of the pillars and the strength member.
Abstract:
A compact optical cable comprises a tube having the shape of a hollow cylinder and including multiple cores of optical fibers mounted therein; a sheath formed by an extrusion process to surround the tube at a certain thickness; a plurality of strength members arranged inside the sheath; and, a plurality of pads arranged inside the sheath to ensure that each pad intervenes between the tube and the strength members.
Abstract:
여기에 개시된 락 아웃 장치 및 방법은, 집적회로 장치의 동작 모드에 따라 락 아웃 기능을 선택적으로 활성화 시킨다. 그 결과, 집적회로 장치의 테스트 또는 노멀 동작시 낮은 전압을 사용하는 특정 모드(예를 들면, 테스트시 수행되는 EVC/IVC 쇼트 모드(short mode) 등)의 기능이 안정적으로 수행될 수 있게 된다.
Abstract:
본 발명에 따른 하나 이상의 튜브들과, 상기 튜브들을 바인딩하기 위한 외부 피복을 포함하는 광섬유 케이블에 있어서, 상기 각 튜브는 하나 이상의 광섬유들과, 상기 광섬유들을 묶기 위한 피복과, 상기 광섬유들 간의 정전 현상을 방지하기 위해서 상기 광섬유들의 사이에 도포되는 틱소트로픽 화합물로 이루어진 정전 방지액을 포함한다. 광섬유, 광섬유 케이블, 정전기
Abstract:
PURPOSE: A fiber optic cable used for blowing installation method is provided to reduce a cost for raw materials by minimizing the outside diameter and the weight of the optical cable. CONSTITUTION: A fiber optic cable used for blowing installation method includes a central strength member(210), a plurality of loose tubes(240), an aramid yarn(250), and a cable outer jacket(260). The central strength member(210) is installed in a center of the optical cable. The loose tubes(240) are bonded along a circumference of the central strength member by a S-Z method. The loose tubes include a plurality of optical fibers, respectively. Each loose tube has the diameter of 1.8 to 2.0mm. The aramid yarn(250) is used for binding the loose tubes. The cable outer jacket(260) is formed on an outer surface of the optical cable to protect the inside of the optical cable from the external environment.
Abstract:
여기에 제공되는 플래시 메모리 장치의 쓰기 방법은 복수의 쓰기 루프들을 통해 쓰기 동작을 수행하는 것을 포함하되, 상기 쓰기 루프들 각각은 쓰기 실행 구간, 검증 구간, 그리고 전하 재배열/재결합 구간을 포함하고, 상기 전하 재배열/재결합 구간은 상기 쓰기 구간과 상기 검증 구간 사이에 또는 상기 검증 구간 다음에 바로 위치한다.