Information

DS28E22
DeepCover Secure Authenticator with
1-Wire SHA-256 and 2Kb User EEPROM
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.
Maxim Integrated 160 Rio Robles, San Jose, CA 95134 USA 1-408-601-1000 42
©
2012 Maxim Integrated Maxim Integrated and the Maxim Integrated logo are trademarks of Maxim Integrated Products, Inc.
Ordering Information 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.
+Denotes a lead(Pb)-free/RoHS-compliant package.
T = Tape and reel.
*EP = Exposed pad.
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.
PART TEMP RANGE PIN-PACKAGE
DS28E22P+ -40°C to +85°C 6 TSOC
DS28E22P+T -40°C to +85°C 6 TSOC (4k pcs)
DS28E22Q+T -40°C to +85°C 6 TDFN-EP* (2.5k pcs)
PACKAGE
TYPE
PACKAGE
CODE
OUTLINE
NO.
LAND
PATTERN NO.
6 TSOC D6+1
21-0382 90-0321
6 TDFN-EP T633+2
21-0137 90-0058
ABRIDGED DATA SHEET