Data sheet acquired from Harris Semiconductor
SCHS108C -Revised October 2003 The CD40257B types are supplied in 16-lead
hermetic dual-in-line ceramic packages
(F3A suffix), 16-lead dual-in-line plastic
packages (E suffix), 16-lead small-outline
packages (M, M96, MT, and NSR suffixes), and
16-lead thin shrink small-outline packages
(PW and PWR suffixes). Copyright пЈ© 2003, Texas Instruments Incorporated PACKAGE OPTION ADDENDUM www.ti.com 24-Aug-2014 PACKAGING INFORMATION
Orderable Device Status
(1) Package Type Package Pins Package
Drawing
Qty Eco Plan Lead/Ball Finish MSL Peak Temp (2) (6) (3) Op Temp (В°C) Device Marking
(4/5) CD40257BE ACTIVE PDIP N 16 25 Pb-Free
(RoHS) CU NIPDAU N / A for Pkg Type -55 to 125 CD40257BE CD40257BEE4 ACTIVE PDIP N 16 25 Pb-Free
(RoHS) CU NIPDAU N / A for Pkg Type -55 to 125 CD40257BE CD40257BF3A ACTIVE CDIP J 16 1 TBD A42 N / A for Pkg Type -55 to 125 CD40257BF3A CD40257BM ACTIVE SOIC D 16 40 Green (RoHS
& no Sb/Br) CU NIPDAU Level-1-260C-UNLIM -55 to 125 CD40257BM CD40257BMG4 ACTIVE SOIC D 16 40 Green (RoHS
& no Sb/Br) CU NIPDAU Level-1-260C-UNLIM -55 to 125 CD40257BM (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 availability …
