Invention Grant
US08624632B2 Sense amplifier-type latch circuits with static bias current for enhanced operating frequency
失效
具有静态偏置电流的感应放大器型锁存电路,以提高工作频率
- Patent Title: Sense amplifier-type latch circuits with static bias current for enhanced operating frequency
- Patent Title (中): 具有静态偏置电流的感应放大器型锁存电路,以提高工作频率
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Application No.: US13434321Application Date: 2012-03-29
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Publication No.: US08624632B2Publication Date: 2014-01-07
- Inventor: John F. Bulzacchelli
- Applicant: John F. Bulzacchelli
- Applicant Address: US NY Armonk
- Assignee: International Business Machines Corporation
- Current Assignee: International Business Machines Corporation
- Current Assignee Address: US NY Armonk
- Agency: Ryan, Mason & Lewis, LLP
- Agent Anne V. Dougherty
- Main IPC: H03K3/356
- IPC: H03K3/356 ; H03K3/012 ; G11C7/06

Abstract:
Sense amplifier-type latch circuits are provided which employ static bias currents for enhancing operating frequency. For example, a sense amplifier-type latch circuit includes a latch circuit that captures and stores data during an evaluation phase of the sense amplifier-type latch circuit, and outputs the stored data to differential output nodes. An input differential transistor pair has drains connected to the latch circuit and sources commonly connected to a coupled source node. A static bias current circuit is connected to the coupled source node to provide a static bias current which flows through the differential transistor pair and cross-coupled inverters of the latch during a precharge phase. A switch device, which is connected to the coupled source node, is turned off during the precharge phase and turned on during the evaluation phase by operation of a clock signal to increase current flow through the differential transistor pair.
Public/Granted literature
- US20130257483A1 SENSE AMPLIFIER-TYPE LATCH CIRCUITS WITH STATIC BIAS CURRENT FOR ENHANCED OPERATING FREQUENCY Public/Granted day:2013-10-03
Information query
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