Data sheet acquired from Harris Semiconductor
SCHS293
This data sheet is applicable to the CD74AC646 and CD74ACT646. The CD54AC646, CD54/74AC648, CD54ACT646, and
CD54/74ACT648 were not acquired from Harris Semiconductor.
PACKAGE OPTION ADDENDUM
www.ti.com
6-Feb-2020
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 (°C)
Device Marking
(4/5)
CD74AC646M
ACTIVE
SOIC
DW
24
25
Green (RoHS
& no Sb/Br)
NIPDAU
Level-1-260C-UNLIM
-55 to 125
AC646M
CD74AC646M96
ACTIVE
SOIC
DW
24
2000
Green (RoHS
& no Sb/Br)
NIPDAU
Level-1-260C-UNLIM
-55 to 125
AC646M
CD74AC646MG4
ACTIVE
SOIC
DW
24
25
Green (RoHS
& no Sb/Br)
NIPDAU
Level-1-260C-UNLIM
-55 to 125
AC646M
CD74ACT646M
ACTIVE
SOIC
DW
24
25
Green (RoHS
& no Sb/Br)
NIPDAU
Level-1-260C-UNLIM
-55 to 125
ACT646M
CD74ACT646M96
ACTIVE
SOIC
DW
24
2000
Green (RoHS
& no Sb/Br)
NIPDAU
Level-1-260C-UNLIM
-55 to 125
ACT646M
(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)
RoHS: TI defines "RoHS" to mean semiconductor products that are compliant with the current EU RoHS requirements for all 10 RoHS substances, including the requirement that RoHS substance
do not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, "RoHS" products are suitable for use in specified lead-free processes. TI may
reference these types of products as "Pb-Free".
RoHS Exempt: TI defines "RoHS Exempt" to mean products that contain lead but are compliant with EU RoHS pursuant to a specific EU RoHS exemption.
Green: TI defines "Green" to mean the content of Chlorine (Cl) and Bromine (Br) based flame retardants meet JS709B low halogen requirements of
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