DS4510 Datasheet, PDF (1/12 Pages) Maxim Integrated Products – CPU Supervisor with Nonvolatile Memory and Programmable I/O

Rev 2; 8/04
CPU Supervisor with Nonvolatile Memory and
Programmable I/O
General Description
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 I²C™ interface using either fast-
mode (400kbps) or standard-mode (100kbps) commu-
nication. The I/O pins can be used as general-purpose
I²C-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
♦ I²C-Compatible Serial Interface
♦ 10-Pin µSOP Package
Applications
RAM-Based FPGA Bank Switching for
Multiple Profiles
Industrial Controls
Cellular Telephones
PC Peripherals
PDAs
Ordering Information
PART
DS4510U-5
DS4510U-10
DS4510U-15
DS4510U-5/T&R
DS4510U-10/T&R
DS4510U-15/T&R
V_CC TRIP
POINT
TEMP RANGE
PIN-
PACKAGE
5% -40°C to +85°C 10 µSOP
10% -40°C to +85°C 10 µSOP
15% -40°C to +85°C 10 µSOP
5% -40°C to +85°C 10 µSOP
10% -40°C to +85°C 10 µSOP
15% -40°C to +85°C 10 µSOP
Pin Configuration
TOP VIEW
A₀ 1
SDA 2
SCL 3
V_CC 4
GND 5
DS4510
µSOP
10 RST
9 I/O₀
8 I/O₁
7 I/O₂
6 I/O₃
Typical Operating Circuit
2.7V TO 5.5V
4.7kΩ
FROM
SYSTEM
CONTROLLER
4.7kΩ
A0
SDA
SCL
V_CC
DS4510
GND
4.7kΩ
RST
RESET ^VCC
I/O₀
CONFIG0
I/O₁
CONFIG1 FPGA
I/O₂
CONFIG2
I/O₃
CONFIG3
GND
I²C is a registered trademark of Philips Corp. Purchase of I²C components of Maxim Integrated Products, Inc. or one of its
Associated Companies, conveys a license under the Philips I²C Patent Rights to use these components in an I²C system, provided
the system conforms to the I²C Standard Specifications as defined by Philips.
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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.