Information

DS28E22
DeepCover Secure Authenticator with
1-Wire SHA-256 and 2Kb User EEPROM
4Maxim Integrated
Pin Configuration
Pin Description
PIN
NAME FUNCTION
TSOC TDFN-EP
1 3 GND Ground Reference
2 2 IO 1-Wire Bus Interface. Open-drain signal that requires an external pullup resistor.
3, 4, 5, 6 1, 4, 5, 6 N.C. Not Connected
— — EP
Exposed Pad (TDFN only). Solder evenly to the board’s ground plane for proper
operation. Refer to Application Note 3273: Exposed Pads: A Brief Introduction for
additional information.
TOP VIEW
N.C.
IO
GND
N.C.
N.C.
N.C.
TSOC
+
5
4
6
2
3
1
DS28E22
16N.C. N.C.
25IO N.C.
34GND N.C.
TDFN
(3mm × 3mm)
TOP VIEW
DS28E22
28E22
ymrrF
+
EP
ABRIDGED DATA SHEET