D 16 2500 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TL494IN ACTIVE PDIP N 16 25 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type TL494INE4 ACTIVE PDIP N 16 25 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type TL494MJ OBSOLETE CDIP J 16 TBD Call TI Call TI TL494MJB OBSOLETE CDIP J 16 TBD Call TI Call TI (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest

D 16 2500 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TL494IN ACTIVE PDIP N 16 25 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type TL494INE4 ACTIVE PDIP N 16 25 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type TL494MJ OBSOLETE CDIP J 16 TBD Call TI Call TI TL494MJB OBSOLETE CDIP J 16 TBD Call TI Call TI TBD Addendum-Page 1 Call TI Call TI Call TI PACKAGE OPTION ADDENDUM www.ti.com 12-Jan-2006 (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt)

TI Call TI PACKAGE OPTION ADDENDUM www.ti.com 28-May-2007 Orderable Device Status (1) Package Type Package Drawing Pins Package Eco Plan (2) Qty TL494IDRG4 ACTIVE SOIC D 16 TL494IN ACTIVE PDIP N 16 25 TL494INE4 ACTIVE PDIP N 16 25 TL494MJ OBSOLETE CDIP J TL494MJB OBSOLETE CDIP J Lead/Ball Finish MSL Peak Temp (3) no Sb/Br) 2500 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type 16 TBD Call TI Call TI 16 TBD Call TI Call TI (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued

2500 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TL494IDRE4 ACTIVE SOIC D 16 2500 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TL494IN ACTIVE PDIP N 16 Pb-Free (RoHS) CU NIPDAU Level-NC-NC-NC TL494MJ OBSOLETE CDIP J 16 TBD Call TI Call TI TL494MJB OBSOLETE CDIP J 16 TBD Call TI Call TI 25 (1) Call TI Call TI The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. Addendum-Page 1 PACKAGE OPTION ADDENDUM www.ti.com 26-Jul-2005 (2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS) or Green (RoHS & no Sb/Br) - pl

TI Call TI PACKAGE OPTION ADDENDUM www.ti.com 28-May-2007 Orderable Device Status (1) Package Type Package Drawing Pins Package Eco Plan (2) Qty TL494IDRG4 ACTIVE SOIC D 16 TL494IN ACTIVE PDIP N 16 25 TL494INE4 ACTIVE PDIP N 16 25 TL494MJ OBSOLETE CDIP J TL494MJB OBSOLETE CDIP J Lead/Ball Finish MSL Peak Temp (3) no Sb/Br) 2500 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type 16 TBD Call TI Call TI 16 TBD Call TI Call TI (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued

D 16 2500 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TL494IN ACTIVE PDIP N 16 25 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type TL494INE4 ACTIVE PDIP N 16 25 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type TL494MJ OBSOLETE CDIP J 16 TBD Call TI Call TI TL494MJB OBSOLETE CDIP J 16 TBD Call TI Call TI (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest

PDAU Level-2-260C-1 YEAR/ Level-1-235C-UNLIM TL494IDR ACTIVE SOIC D 16 2500 Pb-Free (RoHS) CU NIPDAU Level-2-260C-1 YEAR/ Level-1-235C-UNLIM TL494IN ACTIVE PDIP N 16 25 Pb-Free (RoHS) CU NIPDAU Level-NC-NC-NC TL494MJ OBSOLETE CDIP J 16 TBD Call TI Call TI TL494MJB OBSOLETE CDIP J 16 TBD Call TI Call TI 2000 Call TI Call TI (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS) or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest av

TI Call TI PACKAGE OPTION ADDENDUM www.ti.com 28-May-2007 Orderable Device Status (1) Package Type Package Drawing Pins Package Eco Plan (2) Qty TL494IDRG4 ACTIVE SOIC D 16 TL494IN ACTIVE PDIP N 16 25 TL494INE4 ACTIVE PDIP N 16 25 TL494MJ OBSOLETE CDIP J TL494MJB OBSOLETE CDIP J Lead/Ball Finish MSL Peak Temp (3) no Sb/Br) 2500 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type 16 TBD Call TI Call TI 16 TBD Call TI Call TI (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued

PDAU Level-2-260C-1 YEAR/ Level-1-235C-UNLIM TL494IDR ACTIVE SOIC D 16 2500 Pb-Free (RoHS) CU NIPDAU Level-2-260C-1 YEAR/ Level-1-235C-UNLIM TL494IN ACTIVE PDIP N 16 25 Pb-Free (RoHS) CU NIPDAU Level-NC-NC-NC TL494MJ OBSOLETE CDIP J 16 TBD Call TI Call TI TL494MJB OBSOLETE CDIP J 16 TBD Call TI Call TI 90 2000 Call TI Level-2-260C-1 YEAR/ Level-1-235C-UNLIM Call TI Call TI (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS) or Green (RoHS & no Sb/Br) - please check

2500 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TL494IDRE4 ACTIVE SOIC D 16 2500 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TL494IN ACTIVE PDIP N 16 Pb-Free (RoHS) CU NIPDAU Level-NC-NC-NC TL494MJ OBSOLETE CDIP J 16 TBD Call TI Call TI TL494MJB OBSOLETE CDIP J 16 TBD Call TI Call TI 25 (1) Call TI Call TI The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. Addendum-Page 1 PACKAGE OPTION ADDENDUM www.ti.com 9-Aug-2005 (2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS) or Green (RoHS & no Sb/Br) - ple

D 16 2500 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TL494IN ACTIVE PDIP N 16 25 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type TL494INE4 ACTIVE PDIP N 16 25 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type TL494MJ OBSOLETE CDIP J 16 TBD Call TI Call TI TL494MJB OBSOLETE CDIP J 16 TBD Call TI Call TI Lead/Ball Finish MSL Peak Temp (3) (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.t

4CPWG4 ACTIVE TSSOP PW 16 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TL494CPWLE OBSOLETE TSSOP PW 16 TL494CPWR ACTIVE TSSOP PW 16 TL494CPWRG4 ACTIVE TSSOP PW 16 TL494ID ACTIVE SOIC D 16 TL494IDR ACTIVE SOIC D TL494IN ACTIVE PDIP TL494MJ OBSOLETE TL494MJB OBSOLETE 90 Call TI TBD Call TI Pb-Free (RoHS) CU NIPDAU Level-1-250C-UNLIM Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM 40 Pb-Free (RoHS) CU NIPDAU Level-2-260C-1 YEAR/ Level-1-235C-UNLIM 16 2500 Pb-Free (RoHS) CU NIPDAU Level-2-260C-1 YEAR/ Level-1-235C-UNLIM N 16 25 Pb-Free (RoHS) CU NIPDAU Level-NC-NC-NC CDIP J 16 TBD Call TI Call TI CDIP J 16 TBD Call TI Call TI 2000 Call TI (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a ne

2500 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TL494IDRE4 ACTIVE SOIC D 16 2500 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TL494IN ACTIVE PDIP N 16 Pb-Free (RoHS) CU NIPDAU Level-NC-NC-NC TL494MJ OBSOLETE CDIP J 16 TBD Call TI Call TI TL494MJB OBSOLETE CDIP J 16 TBD Call TI Call TI 25 (1) Call TI Call TI The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. Addendum-Page 1 PACKAGE OPTION ADDENDUM www.ti.com 5-Jul-2005 (2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS) or Green (RoHS & no Sb/Br) - ple

D 16 2500 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TL494IN ACTIVE PDIP N 16 25 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type TL494INE4 ACTIVE PDIP N 16 25 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type TL494MJ OBSOLETE CDIP J 16 TBD Call TI Call TI TL494MJB OBSOLETE CDIP J 16 TBD Call TI Call TI (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest

PDAU Level-2-260C-1 YEAR/ Level-1-235C-UNLIM TL494IDR ACTIVE SOIC D 16 2500 Pb-Free (RoHS) CU NIPDAU Level-2-260C-1 YEAR/ Level-1-235C-UNLIM TL494IN ACTIVE PDIP N 16 25 Pb-Free (RoHS) CU NIPDAU Level-NC-NC-NC TL494MJ OBSOLETE CDIP J 16 TBD Call TI Call TI TL494MJB OBSOLETE CDIP J 16 TBD Call TI Call TI Call TI (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS) or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability in