DS4510U-5 Datasheet PDF - Maxim Integrated Products
Part Number | DS4510U-5 | |
Description | CPU Supervisor with Nonvolatile Memory and Programmable I/O | |
Manufacturers | Maxim Integrated Products | |
Logo | ||
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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
VCC 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
VCC 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
VCC 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
VCC
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.
______________________________________________ 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.
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CPU Supervisor with Nonvolatile Memory and
Programmable I/O
Typical Operating Characteristics (continued)
(VCC = +5.0V, TA = +25°C, unless otherwise noted.)
VCC TRIP POINT vs. TEMPERATURE
5.0
4.9
4.8
4.7
4.6
4.5
4.4
4.3
4.2
4.1
4.0
-40 -20
0 20 40 60
TEMPERATURE (°C)
80
RST OUTPUT VOLTAGE vs. SUPPLY VOLTAGE
6.0
5.5 5.6kΩ PULLUP
5.0 RESISTOR ON RST
4.5 SDA = SCL = VCC
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
I/O PULLUP RESISTANCE vs. TEMPERATURE
5.25
5.20
5.15
5.10
5.05
5.00
4.95
4.90
4.85
4.80
4.75
-40 -20
0 20 40 60
TEMPERATURE (°C)
80
Pin Description
PIN NAME
FUNCTION
1
A0
I2C Address Input. This input pin determines the chip address of the device. A0 = 0 sets the slave
address to 1010000b, A0 = 1 sets the slave address to 1010001b.
2
SDA
Serial Data Input/Output. Bidirectional I2C data pin.
3 SCL Serial Clock Input. I2C clock input.
4 VCC Power Input
5
GND
Ground
6 I/O3 Input/Output 3. I2C accessible bidirectional I/O pin.
7 I/O2 Input/Output 2. I2C accessible bidirectional I/O pin.
8 I/O1 Input/Output 1. I2C accessible bidirectional I/O pin.
9 I/O0 Input/Output 0. I2C accessible bidirectional I/O pin.
10 RST Active-Low Reset Output. Open-drain CPU supervisor reset output.
_____________________________________________________________________ 5
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Information | Total 12 Pages | |
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