The DS4510 is a CPU supervisor with integrated 64-
byte EEPROM memory and four programmable, non-
volatile (NV) I/O pins. It is configured with an
industry-standard I
2
C interface using either fast-mode
(400kbps) or standard-mode (100kbps) communica-
tion. The I/O pins can be used as general-purpose I
2
C-
to-parallel I/O expander with unlimited read/write
capability. EEPROM registers allow the power-on value
of the I/O pins to be adjusted to keep track of the sys-
tem’s state through power cycles, and the CPU supervi-
sor’s timer can be adjusted between 125ms and
1000ms to meet most any application need.
Features
♦
Accurate 5%, 10%, or 15% 5V Power-Supply
Monitoring
♦
Programmable Reset Timer Maintains Reset After
V
CC
Returns to an In-Tolerance Condition
♦
Four Programmable, NV, Digital I/O Pins with
Selectable Internal Pullup Resistor
♦
64 Bytes of User EEPROM
♦
Reduces Need for Discrete Components
♦
I
2
C-Compatible Serial Interface
♦
10-Pin µSOP Package
DS4510
Applications
RAM-Based FPGA Bank Switching for
Multiple Profiles
Industrial Controls
Cellular Telephones
PC Peripherals
PDAs
PART
DS4510U-5
DS4510U-10
DS4510U-15
DS4510U-5/T&R
DS4510U-10/T&R
DS4510U-15/T&R
Ordering Information
V
CC
TRIP
POINT
5%
10%
15%
5%
10%
15%
PIN-
PACKAGE
-40°C to +85°C 10 µSOP
TEMP RANGE
-40°C to +85°C 10 µSOP
-40°C to +85°C 10 µSOP
-40°C to +85°C 10 µSOP
-40°C to +85°C 10 µSOP
-40°C to +85°C 10 µSOP
Pin Configuration
TOP VIEW
Typical Operating Circuit
2.7V TO 5.5V
4.7kΩ
A
0
1
SDA
SCL
V
CC
GND
2
3
4
5
10 RST
9
I/O
0
I/O
1
I/O
2
I/O
3
4.7kΩ
4.7kΩ
A0
V
CC
RST
I/O
0
RESET
CONFIG0
V
CC
DS4510
8
7
6
FROM
SYSTEM
CONTROLLER
SDA
DS4510
SCL
I/O
1
I/O
2
CONFIG1 FPGA
CONFIG2
CONFIG3
GND
GND
I/O
3
μ
SOP
______________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
CPU Supervisor with Nonvolatile Memory and
Programmable I/O
DS4510
ABSOLUTE MAXIMUM RATINGS
Voltage Range on V
CC
, SDA, and SCL
Pins Relative to Ground.....................................-0.5V to +6.0V
Voltage Range on A
0
, I/O
0
, I/O
1
, I/O
2
, I/O
3
Relative
to Ground ..............-0.5V to V
CC
+ 0.5V, not to exceed +6.0V.
Operating Temperature Range ...........................-40°C to +85°C
EEPROM Programming Temperature .....................0°C to +70°C
Storage Temperature Range .............................-55°C to +125°C
Soldering Temperature .......................................See IPC/JEDEC
J-STD-020A Specification
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
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