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Home > What's New   This page last updated on 06/15/2010

   
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bullet Data Sheet Updates - Check the dates / Download Data Sheets to make sure that you have the latest version.
bullet LSI/CSI News Archive - Past Press Releases, etc.
bullet New Programmable Digital Timer ICs, LS7211N, LS7212N are lower cost versions of LS7211LS7212 and are 100% backward compatible. The extended feature versions, LS7215, LS7216, respectively, can latch the Weighting Bits from an 8-bit Bus and also adds an open-drain output to directly drive a Relay returned to a voltage higher than the chip VDD using one external transistor.
LS7211N & LS7212N Description & Data sheet | Data Sheet |
LS7215 & LS7216 Description & Data sheet | Data Sheet |
bullet New PIR Interface ICs, LS6511N is a lower cost version of LS6511 and is 100% backward compatible. The ICs have Low Voltage Detection circuitry that is used to prevent tampering in security system applications. The LS6512 is identical except that the Low Voltage Detection circuitry has been deactivated extending its operating voltage range from 3.0V to 6.5V making it ideal for battery operated applications. LS6513 can be used in any application. LS6513 allows the User to select whether to activate Low Voltage Detection and also adds a selectable Enable feature. Each IC has an open-drain output to directly drive a Relay and/or an LED returned to a voltage higher than the chip VDD.
LS6511N Description & Data sheet | Data Sheet |
LS6512 & LS6513 Description & Data sheet | Data Sheet |
bullet New Quadrature Clock Converter ICs, LS7082N1, LS7083N, LS7084N, LS7183N, LS7184N are enhanced versions of the existing Quadrature Clock Converter ICs and are backward compatible. The extended Voltage Range for each of
the new ICs is 3V to 12V and each of the new ICs provides selectable x1, x1, x4 output frequency resolution.
LS7082N1 Description & Data sheet | Data Sheet |
LS7083N & LS7084N Description & Data sheet | Data Sheet |

LS7183N & LS7184N Description & Data sheet | Data Sheet |
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New Stepper Motor Controller ICs, LS8297, LS8297CT and LS8397
are designed to control both Bipolar and Unipolar Stepper Motors. LS8297 and LS8297CT are pin-compatible with the popular L297. LS8297CT provides the added functionality of Compensated Torque. LS8397 is an enhanced version of L297 offering selectable Compensated Torque and Holding Torque modes. All of the above ICs reduce quiescent current from 80mA for the L297 to 400uA! All of the ICs are priced lower than the L297.| LS8297, LS8297CT Description & Data sheet | Data |
LS8397 Description & Data sheet | Data |

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New Reverse-Phase (Trailing-Edge) Continuous Light Dimmer ICs, LS7636, LS7636FO, LS7637 and LS7637FO are designed to interface with the primary of any Electronic Transformer to control low voltage Halogen Lighting and to eliminate the cause of the RFI noise generated by triac based (Leading-Edge) Light Dimmers. The ICs offer three selectable operating modes providing features such as Memory, Direction Reversal and Soft turn-on and turn-off. The ICs are not compatible with magnetic transformers.| Description & Data sheet | Data Sheet |

bullet New Voltage Controlled Light Dimmer, LS7642 and LS7642FO, are designed for easy control via uC or manual interface. Both turn-on and turn-off are softly ramped up to and ramped down from the illumination set by the control voltage. LS7642 powers up in the OFF condition, LS7642FO powers up at the intensity set by the control voltage. Compatible with magnetic and electronic transformers.
| Description & Data sheet | Data Sheet |
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The Light-Activated Programmable Timer, the LS7217 is ideal for landscape lighting. When interfaced with a photo-resistor, timing begins at dusk and terminates at the programmed time interval.
| Description & Data sheet | LS7217 Data Sheet (PDF)

bullet The New LS7766 Family of 32-Bit Incremental Encoder Interface ICs with Single-Axis, Dual Axes, Octal and Hex I/O bus versions.
| Description & Data Sheet | Data Sheet |
bullet New AGC Touch Control Light Switch with Soft-Off, the LS7540. The Soft-Off time period provides the user to with light to leave the area before the lights turn off and is controlled by an external RC.
| Description & Data Sheet | Data Sheet |
bullet New 5-Step AC Power Controller, the LS7317 is for Wall Switch or Plug-In designs
and is aimed at applications such as light dimmers, blenders and fans. Pushbutton control.
| Description & Data Sheet | Data Sheet |
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New PIR Interface ICs. LS6506R and LS6507R
LS6506R
drives a Latching Relay for activating virtually any load.
LS6507R drive a Triac for activating resistive loads only.
| Description & Data Sheet | Data Sheet |

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