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Improved sensing amplifier

A sensing amplifier and sensing path technology, applied in instruments, static memory, single output arrangement, etc., can solve the problems of poor control clock tracking ability, difficult to improve speed, etc., and achieve good tracking effect.

Inactive Publication Date: 2009-11-25
MACRONIX INT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is difficult to improve the speed due to the poor tracking ability of the control clock under different process dead angles, temperatures and voltages

Method used

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Embodiment Construction

[0035] figure 1 It is a block diagram showing the generation structure of the control signal for the sense amplifier, wherein the address transfer pulse generator 10 generates the address transfer pulse signal ATP according to the chip enable signal PCEB, and then generates the pre-charge signal PCB through the clock generator 20 3 control signals including a latch signal LATB and a sense amplifier enable signal SAB.

[0036] A preferred embodiment of clock generator 20 is shown in figure 2Among them, it takes the address transfer pulse signal ATP as the trigger source to generate the required control clock. In the clock generator 20, in order to generate the precharge signal PCB, the two input terminals of the NAND gate (NAND gate) 21a are respectively connected to the address transfer pulse signal ATP and the signal through the RC delay 22a, and the output of the NAND gate 21a After passing through an inverter (inverter) 23a, the pre-charging signal PCB is generated. The...

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Abstract

The invention is a kind of control pulse generator and the generating method for high-speed sensing amplifier. The generation of the control pulse not only uses RC delay and logic gate delay, but also combines the reference sensing delay generated by the reference sensing amplifier, so it has good tracing effect in high-speed sensing amplifier, in spite of the process dead angle, temperature and voltage alteration.

Description

[0001] The present invention is a divisional application with the application number 02140251.5, the application date is July 2, 2002, and the invention name is a control clock generator and a control clock generation method for high-speed sense amplifiers technical field [0002] The present invention relates to sense amplifiers, in particular to a sense amplifier. Background technique [0003] Typically, sense amplifiers are used to read the state ("0" or "1") of a memory cell in a memory array (eg, a read-only memory). A ROM array may contain millions of memory cells arranged in columns and rows. The source of each memory cell in a row can be connected to a row source line, and the sense amplifier reads During the selection of memory cells, the row source lines of the selected memory cells may be connected to a reference potential or to ground. The drain of each memory cell in a row is connected to a separate bit line, also known as the row drain line, and during the rea...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G11C7/06G11C11/409H03K5/14
Inventor 李育威徐晓阳
Owner MACRONIX INT CO LTD
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