Specifications
36 Maxim Industrial Solutions
Programmable logic controllers (PLCs)
CPU functions
Benefits
• Improved system security
– Supports the highest security-level
requirements of the FIPS 140.2, Common
Criteria, PCI PED, and EMV 4.1 certifica-
tion agencies
– Multilevel tamper detection
– Keys and/or other critical data are
immediately and completely erased as
a response to a qualified tamper
– Patented on-chip nonimprinting
memory*
DS3600
Security managers provide comprehensive data protection. The
DS3600 single-chip solution provides security, tamper detection,
encryption key storage, and encryption key destruction in the event
of tampering. The DS3600 is packaged in a CSBGA for an added level
of security.
*U.S. Patent #7,379,325.
Security managers protect encryption keys from intruders
The DS3600 secure supervisor in a typical security application.
PX.0
32.768 kHz
X1 X2
BAT-ON
DAT
CLK
CE
RST
TOUT
V
RAM
V
CCO
V
CC0
TRANSMISSION GATE
EXTERNAL SRAM
OPTIONAL
POWER-MANAGEMENT LOGIC
HOST CPU
WITH
INTERNAL MEMORY
PX.1
PX.2
RST
V
BAT
V
CC
CECEI
CEO
CE
INT
WE
OE
RD
WE RD
A0-Ax D0-Dx
A0-Ax
CAP+CAP-CBAT
SSW
CSW
TAMP
IN4-
IN2+
IN3-
IN1+
V
BAT
V
CCI
V
CC
V
CCO
BATTERY
USER-DEFINED TAMPER
SENSOR/VOLTAGE
MONITORING
USER-DEFINED
RESISTIVE MESH
1μF 10V (typ)
470kΩ
(typ)
470kΩ
(typ)
CASE SW
SERVICE SW
USER-DEFINED EXTERNAL
TAMPER CIRCUITRY
D0-Dx
DS3690
DS3600