ABRIDGED DATA SHEET
DS28E22
DeepCover Secure Authenticator with
1-Wire SHA-256 and 2Kb User EEPROM
Note to readers: This document is an abridged version of the full data sheet. Additional device information is available
only in the full version of the data sheet. To request the full data sheet, go to www.maximintegrated.com/DS28E22
and click on Request Full Data Sheet.
Ordering Information
PART
DS28E22P+
TEMP RANGE PIN-PACKAGE
-40°C to +85°C 6 TSOC
DS28E22P+T
DS28E22Q+T
-40°C to +85°C 6 TSOC (4k pcs)
-40°C to +85°C 6 TDFN-EP* (2.5k pcs)
+Denotes a lead(Pb)-free/RoHS-compliant package.
T = Tape and reel.
*EP = Exposed pad.
Package Information
For the latest package outline information and land patterns (foot-
prints), go to www.maximintegrated.com/packages. Note that
a “+”, “#”, or “-” in the package code indicates RoHS status only.
Package drawings may show a different suffix character, but the
drawing pertains to the package regardless of RoHS status.
PACKAGE
TYPE
6 TSOC
6 TDFN-EP
PACKAGE
CODE
D6+1
T633+2
OUTLINE
NO.
21-0382
21-0137
LAND
PATTERN NO.
90-0321
90-0058
Maxim Integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim Integrated product. No circuit patent
licenses are implied. Maxim Integrated reserves the right to change the circuitry and specifications without notice at any time. The parametric values (min and
max limits) shown in the Electrical Characteristics table are guaranteed. Other parametric values quoted in this data sheet are provided for guidance.
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