1. A semiconductor memory comprising:
a select gate formed in a meandering pattern;
a plurality of floating gates coupled with said select gate, said plurality of floating gates including:
a first floating gate arranged to have its gate width defined along a first direction; and
a second floating gate arranged to be adjacent to said first floating gate and to have its gate width defined along a second direction perpendicular to said first direction;
a substrate having a major surface on which said select gate and said plurality of floating gates are formed respectively through gate insulating films;
a plurality of memory cells sharing said select gate and each having one of said plurality of floating gates; and
a potential supply circuit for supplying a potential to said plurality of memory cells,
wherein, for access to a memory cell selected from said plurality of memory cells, said potential supply circuit supplies to said selected memory cell a potential lower than a potential applied to said substrate.
2. The semiconductor memory according to claim 1, further comprising:
a plurality of interconnect lines selectively serving as source or bit lines depending on a memory cell to be accessed.
3. The semiconductor memory according to claim 2, wherein
said plurality of interconnect lines include:
a first interconnect line formed in a first interconnect layer; and
a second interconnect line formed adjacent to said first interconnect line in a second interconnect layer which is different from said first interconnect layer.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A camera system for imaging a subject, comprising:
an imaging optical system for forming an optical image of the subject;
an imaging unit for capturing an image of the optical image;
a display unit which can display the image captured by the imaging unit;
an observing optical system for observing the optical image;
a movable reflecting mirror having a first state in which the light from the imaging optical system is led to the observing optical system, and a second state in which the light from the imaging optical system is led to the imaging unit;
a movement detection unit for detecting an amount of the movement of the camera system;
an image blur correction unit for correcting a blurring of an image which occurs due to the movement of the camera system, depending on the amount of the movement detected by the movement detection unit, the image blur correction unit arranged on a subject side of the reflecting mirror; and
a controller having a first mode in which the movable reflecting mirror is controlled to be in the first state, and a second mode in which the movable reflecting mirror is controlled to be in the second state and the display unit is controlled to display the image; and
a switching operation unit configured to receive a switching operation to change the mode between the first mode and the second mode,
the controller configured to control the mode from the first mode to the second mode and to control the image blur correction unit to start correcting the image blur when the switching operation unit receives the switching operation.
2. The camera system according to claim 1, wherein
the controller can control the imaging unit to capture a still image in the second mode.
3. The camera system according to claim 1, wherein
the controller can control the imaging unit to capture a moving image in the second mode.
4. A camera system for imaging a subject, comprising:
an imaging optical system for forming an optical image of the subject;
an imaging unit for capturing an image of the optical image;
a display unit which can display the image captured by the imaging unit;
an observing optical system for observing the optical image;
a movable reflecting mirror having a first state in which the light from the imaging optical system is led to the observing optical system, and a second state in which the light from the imaging optical system is led to the imaging unit;
a movement detection unit for detecting an amount of the movement of the camera system;
an image blur correction unit for correcting a blurring of an image which occurs due to the movement of the camera system, depending on the amount of the movement detected by the movement detection unit, the image blur correction unit arranged on a subject side of the reflecting mirror; and
a controller having a first mode in which the movable reflecting mirror is controlled to be in the first state, and a second mode in which the movable reflecting mirror is controlled to be in the second state and the display unit is controlled to display the image; and
a switching operation unit configured to receive a switching operation to change the mode between the first mode and the second mode,
the controller configured to control to change the mode from the second mode to the first mode and to control the image blur correction unit to stop correcting the image blur, when the switching operation unit receives the switching operation when the image blur correction unit operates in the second mode.
5. The camera system according to claim 4, wherein
the controller can control the imaging unit to capture a still image in the second mode.
6. The camera system according to claim 4, wherein
the controller can control the image unit to capture a moving image in the second mode.