DW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Lead/Ball Finish MSL Peak Temp (3) (RoHS) Addendum-Page 2 PACKAGE OPTION ADDENDUM www.ti.com 4-Jun-2007 Orderable Device Status (1) Package Type Package Drawing Pins Package Eco Plan (2) Qty SN74LS688N ACTIVE PDIP N 20 Lead/Ball Finish CU NIPDAU MSL Peak Temp (3) 20 Pb-Free (RoHS) N / A for Pkg Type TBD Call TI 20 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type SN74LS688N3 OBSOLETE PDIP N 20 SN74LS688NE4 ACTIVE PDIP N 20 SN74LS688NSR ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LS688NSRE4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LS688NSRG4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SNJ54LS682FK ACTIVE LCCC FK 20 1 TBD POST-PLATE N / A for Pkg Type SNJ54LS682FK ACTIVE LCCC FK 20 1 TBD POST-PLATE N / A for Pkg Type SNJ54LS682J ACTIVE CDIP J 20 1 TBD A42 SNPB N / A for Pkg Typ

DW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Lead/Ball Finish MSL Peak Temp (3) (RoHS) Addendum-Page 2 PACKAGE OPTION ADDENDUM www.ti.com 4-Jun-2007 Orderable Device Status (1) Package Type Package Drawing Pins Package Eco Plan (2) Qty SN74LS688N ACTIVE PDIP N 20 Lead/Ball Finish CU NIPDAU MSL Peak Temp (3) 20 Pb-Free (RoHS) N / A for Pkg Type TBD Call TI 20 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type SN74LS688N3 OBSOLETE PDIP N 20 SN74LS688NE4 ACTIVE PDIP N 20 SN74LS688NSR ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LS688NSRE4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LS688NSRG4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SNJ54LS682FK ACTIVE LCCC FK 20 1 TBD POST-PLATE N / A for Pkg Type SNJ54LS682FK ACTIVE LCCC FK 20 1 TBD POST-PLATE N / A for Pkg Type SNJ54LS682J ACTIVE CDIP J 20 1 TBD A42 SNPB N / A for Pkg Typ

DW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Lead/Ball Finish MSL Peak Temp (3) (RoHS) Addendum-Page 2 PACKAGE OPTION ADDENDUM www.ti.com 4-Jun-2007 Orderable Device Status (1) Package Type Package Drawing Pins Package Eco Plan (2) Qty SN74LS688N ACTIVE PDIP N 20 Lead/Ball Finish CU NIPDAU MSL Peak Temp (3) 20 Pb-Free (RoHS) N / A for Pkg Type TBD Call TI 20 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type SN74LS688N3 OBSOLETE PDIP N 20 SN74LS688NE4 ACTIVE PDIP N 20 SN74LS688NSR ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LS688NSRE4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LS688NSRG4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SNJ54LS682FK ACTIVE LCCC FK 20 1 TBD POST-PLATE N / A for Pkg Type SNJ54LS682FK ACTIVE LCCC FK 20 1 TBD POST-PLATE N / A for Pkg Type SNJ54LS682J ACTIVE CDIP J 20 1 TBD A42 SNPB N / A for Pkg Typ

DW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Lead/Ball Finish MSL Peak Temp (3) (RoHS) Addendum-Page 2 PACKAGE OPTION ADDENDUM www.ti.com 4-Jun-2007 Orderable Device Status (1) Package Type Package Drawing Pins Package Eco Plan (2) Qty SN74LS688N ACTIVE PDIP N 20 Lead/Ball Finish CU NIPDAU MSL Peak Temp (3) 20 Pb-Free (RoHS) N / A for Pkg Type TBD Call TI 20 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type SN74LS688N3 OBSOLETE PDIP N 20 SN74LS688NE4 ACTIVE PDIP N 20 SN74LS688NSR ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LS688NSRE4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LS688NSRG4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SNJ54LS682FK ACTIVE LCCC FK 20 1 TBD POST-PLATE N / A for Pkg Type SNJ54LS682FK ACTIVE LCCC FK 20 1 TBD POST-PLATE N / A for Pkg Type SNJ54LS682J ACTIVE CDIP J 20 1 TBD A42 SNPB N / A for Pkg Typ

ndum-Page 2 Samples (Requires Login) SN74LS682NSRG4 TBD (3) PACKAGE OPTION ADDENDUM www.ti.com Orderable Device 23-Mar-2012 Status (1) Package Type Package Drawing Pins Package Qty Eco Plan (2) SN74LS688DWRG4 ACTIVE SOIC DW 20 2000 Green (RoHS & no Sb/Br) SN74LS688N ACTIVE PDIP N 20 20 Pb-Free (RoHS) TBD Lead/ Ball Finish MSL Peak Temp CU NIPDAU Level-1-260C-UNLIM CU NIPDAU N / A for Pkg Type SN74LS688N3 OBSOLETE PDIP N 20 ACTIVE PDIP N 20 20 Pb-Free (RoHS) SN74LS688NSR ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LS688NSRE4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LS688NSRG4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SNJ54LS682FK ACTIVE LCCC FK 20 1 TBD SNJ54LS682J ACTIVE CDIP J 20 1 TBD SNJ54LS682W ACTIVE CFP W 20 1 TBD ACTIVE LCCC FK 20 1 TBD Samples (Requires Login) SN74LS688NE4 SNJ54LS684FK (3) Call TI Call TI CU NIPDAU N / A fo

ndum-Page 2 Samples (Requires Login) SN74LS682NSRG4 TBD (3) PACKAGE OPTION ADDENDUM www.ti.com Orderable Device 23-Mar-2012 Status (1) Package Type Package Drawing Pins Package Qty Eco Plan (2) SN74LS688DWRG4 ACTIVE SOIC DW 20 2000 Green (RoHS & no Sb/Br) SN74LS688N ACTIVE PDIP N 20 20 Pb-Free (RoHS) TBD Lead/ Ball Finish MSL Peak Temp CU NIPDAU Level-1-260C-UNLIM CU NIPDAU N / A for Pkg Type SN74LS688N3 OBSOLETE PDIP N 20 ACTIVE PDIP N 20 20 Pb-Free (RoHS) SN74LS688NSR ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LS688NSRE4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LS688NSRG4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SNJ54LS682FK ACTIVE LCCC FK 20 1 TBD SNJ54LS682J ACTIVE CDIP J 20 1 TBD SNJ54LS682W ACTIVE CFP W 20 1 TBD ACTIVE LCCC FK 20 1 TBD Samples (Requires Login) SN74LS688NE4 SNJ54LS684FK (3) Call TI Call TI CU NIPDAU N / A fo

r) CU NIPDAU Level-1-260C-UNLIM 0 to 70 LS688 SN74LS688DWRE4 ACTIVE SOIC DW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM 0 to 70 LS688 SN74LS688DWRG4 ACTIVE SOIC DW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM 0 to 70 LS688 SN74LS688N ACTIVE PDIP N 20 20 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type 0 to 70 SN74LS688N SN74LS688N3 OBSOLETE PDIP N 20 TBD Call TI Call TI 0 to 70 SN74LS688NE4 ACTIVE PDIP N 20 20 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type 0 to 70 SN74LS688N SN74LS688NSR ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM 0 to 70 74LS688 SN74LS688NSRE4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM 0 to 70 74LS688 SN74LS688NSRG4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM 0 to 70 74LS688 SNJ54LS682FK ACTIVE LCCC FK 20 1 TBD POST-PLATE N / A for Pkg Type -55 to 125 84151012A SNJ54LS 682FK

DW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Lead/Ball Finish MSL Peak Temp (3) (RoHS) Addendum-Page 2 PACKAGE OPTION ADDENDUM www.ti.com 4-Jun-2007 Orderable Device Status (1) Package Type Package Drawing Pins Package Eco Plan (2) Qty SN74LS688N ACTIVE PDIP N 20 Lead/Ball Finish CU NIPDAU MSL Peak Temp (3) 20 Pb-Free (RoHS) N / A for Pkg Type TBD Call TI 20 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type SN74LS688N3 OBSOLETE PDIP N 20 SN74LS688NE4 ACTIVE PDIP N 20 SN74LS688NSR ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LS688NSRE4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LS688NSRG4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SNJ54LS682FK ACTIVE LCCC FK 20 1 TBD POST-PLATE N / A for Pkg Type SNJ54LS682FK ACTIVE LCCC FK 20 1 TBD POST-PLATE N / A for Pkg Type SNJ54LS682J ACTIVE CDIP J 20 1 TBD A42 SNPB N / A for Pkg Typ

DW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Lead/Ball Finish MSL Peak Temp (3) (RoHS) Addendum-Page 2 PACKAGE OPTION ADDENDUM www.ti.com 4-Jun-2007 Orderable Device Status (1) Package Type Package Drawing Pins Package Eco Plan (2) Qty SN74LS688N ACTIVE PDIP N 20 Lead/Ball Finish CU NIPDAU MSL Peak Temp (3) 20 Pb-Free (RoHS) N / A for Pkg Type TBD Call TI 20 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type SN74LS688N3 OBSOLETE PDIP N 20 SN74LS688NE4 ACTIVE PDIP N 20 SN74LS688NSR ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LS688NSRE4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LS688NSRG4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SNJ54LS682FK ACTIVE LCCC FK 20 1 TBD POST-PLATE N / A for Pkg Type SNJ54LS682FK ACTIVE LCCC FK 20 1 TBD POST-PLATE N / A for Pkg Type SNJ54LS682J ACTIVE CDIP J 20 1 TBD A42 SNPB N / A for Pkg Typ

TIVE SOIC DW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LS688DWRE4 ACTIVE SOIC DW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LS688DWRG4 ACTIVE SOIC DW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LS688N ACTIVE PDIP N 20 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type SN74LS688N3 OBSOLETE PDIP N 20 TBD Call TI SN74LS688NE4 ACTIVE PDIP N 20 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type SN74LS688NSR ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LS688NSRE4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LS688NSRG4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SNJ54LS682FK ACTIVE LCCC FK 20 1 TBD SNJ54LS682J ACTIVE CDIP J 20 1 TBD 20 20 SNJ54LS682W ACTIVE CFP W 20 1 TBD SNJ54LS684FK ACTIVE LCCC FK 20 1 TBD SNJ54LS684J ACTIVE CDIP J 20 1 TBD Call TI Call TI POST-PLATE N / A for Pkg Type A42 N

U NIPDAU Level-1-260C-UNLIM Purchase Samples Addendum-Page 2 PACKAGE OPTION ADDENDUM www.ti.com Orderable Device 7-Jun-2010 Status (1) Package Type Package Drawing Pins Package Qty Eco Plan (2) SN74LS688DWRG4 ACTIVE SOIC DW 20 2000 Green (RoHS & no Sb/Br) SN74LS688N ACTIVE PDIP N 20 20 Pb-Free (RoHS) SN74LS688N3 OBSOLETE PDIP N 20 TBD Lead/ Ball Finish MSL Peak Temp Samples (Requires Login) CU NIPDAU Level-1-260C-UNLIM CU NIPDAU N / A for Pkg Type Call TI (3) Call TI Purchase Samples Contact TI Distributor or Sales Office Samples Not Available SN74LS688NE4 ACTIVE PDIP N 20 20 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type Purchase Samples SN74LS688NSR ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Purchase Samples SN74LS688NSRE4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Purchase Samples SN74LS688NSRG4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Pur

DW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Lead/Ball Finish MSL Peak Temp (3) (RoHS) Addendum-Page 2 PACKAGE OPTION ADDENDUM www.ti.com 4-Jun-2007 Orderable Device Status (1) Package Type Package Drawing Pins Package Eco Plan (2) Qty SN74LS688N ACTIVE PDIP N 20 Lead/Ball Finish CU NIPDAU MSL Peak Temp (3) 20 Pb-Free (RoHS) N / A for Pkg Type TBD Call TI 20 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type SN74LS688N3 OBSOLETE PDIP N 20 SN74LS688NE4 ACTIVE PDIP N 20 SN74LS688NSR ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LS688NSRE4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LS688NSRG4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SNJ54LS682FK ACTIVE LCCC FK 20 1 TBD POST-PLATE N / A for Pkg Type SNJ54LS682FK ACTIVE LCCC FK 20 1 TBD POST-PLATE N / A for Pkg Type SNJ54LS682J ACTIVE CDIP J 20 1 TBD A42 SNPB N / A for Pkg Typ

DW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Lead/Ball Finish MSL Peak Temp (3) (RoHS) Addendum-Page 2 PACKAGE OPTION ADDENDUM www.ti.com 4-Jun-2007 Orderable Device Status (1) Package Type Package Drawing Pins Package Eco Plan (2) Qty SN74LS688N ACTIVE PDIP N 20 Lead/Ball Finish CU NIPDAU MSL Peak Temp (3) 20 Pb-Free (RoHS) N / A for Pkg Type TBD Call TI 20 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type SN74LS688N3 OBSOLETE PDIP N 20 SN74LS688NE4 ACTIVE PDIP N 20 SN74LS688NSR ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LS688NSRE4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74LS688NSRG4 ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SNJ54LS682FK ACTIVE LCCC FK 20 1 TBD POST-PLATE N / A for Pkg Type SNJ54LS682FK ACTIVE LCCC FK 20 1 TBD POST-PLATE N / A for Pkg Type SNJ54LS682J ACTIVE CDIP J 20 1 TBD A42 SNPB N / A for Pkg Typ

Sb/Br) CU NIPDAU Level-1-260C-UNLIM 0 to 70 74LS684 SN74LS688DW ACTIVE SOIC DW 20 25 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM 0 to 70 LS688 SN74LS688DWR ACTIVE SOIC DW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM 0 to 70 LS688 SN74LS688N ACTIVE PDIP N 20 20 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type 0 to 70 SN74LS688N SN74LS688NE4 ACTIVE PDIP N 20 20 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type 0 to 70 SN74LS688N SN74LS688NSR ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM 0 to 70 74LS688 SNJ54LS682J ACTIVE CDIP J 20 1 TBD A42 N / A for Pkg Type -55 to 125 8415101RA SNJ54LS682J SNJ54LS682W ACTIVE CFP W 20 1 TBD A42 N / A for Pkg Type -55 to 125 8415101SA SNJ54LS682W SNJ54LS684FK ACTIVE LCCC FK 20 1 TBD POST-PLATE N / A for Pkg Type -55 to 125 84152012A SNJ54LS 684FK SNJ54LS684J ACTIVE CDIP J 20 1 TBD A42 N / A for Pkg Type -55 to 125 8415201RA SNJ54LS684J SNJ54LS688FK ACTIVE LCCC FK 20 1 TBD

Sb/Br) CU NIPDAU Level-1-260C-UNLIM 0 to 70 74LS684 SN74LS688DW ACTIVE SOIC DW 20 25 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM 0 to 70 LS688 SN74LS688DWR ACTIVE SOIC DW 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM 0 to 70 LS688 SN74LS688N ACTIVE PDIP N 20 20 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type 0 to 70 SN74LS688N SN74LS688NE4 ACTIVE PDIP N 20 20 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type 0 to 70 SN74LS688N SN74LS688NSR ACTIVE SO NS 20 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM 0 to 70 74LS688 SNJ54LS682J ACTIVE CDIP J 20 1 TBD A42 N / A for Pkg Type -55 to 125 8415101RA SNJ54LS682J SNJ54LS682W ACTIVE CFP W 20 1 TBD A42 N / A for Pkg Type -55 to 125 8415101SA SNJ54LS682W SNJ54LS684FK ACTIVE LCCC FK 20 1 TBD POST-PLATE N / A for Pkg Type -55 to 125 84152012A SNJ54LS 684FK SNJ54LS684J ACTIVE CDIP J 20 1 TBD A42 N / A for Pkg Type -55 to 125 8415201RA SNJ54LS684J SNJ54LS688FK ACTIVE LCCC FK 20 1 TBD