DS4510U-5SLASHT datasheet(5/12 Pages) MAXIM

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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

TEMPERATURE (

°C)

-20

4.1

4.2

4.3

4.4

4.5

4.6

4.7

4.8

4.9

5.0

4.0

-40

RST OUTPUT VOLTAGE vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

5.0

4.5

3.5 4.0

1.0 1.5 2.0 2.5 3.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

6.0

5.5

5.6k

Ω PULLUP

RESISTOR ON RST

SDA = SCL = VCC

I/O PULLUP RESISTANCE vs. TEMPERATURE

TEMPERATURE (

°C)

-20

4.80

4.85

4.90

4.95

5.00

5.05

5.10

5.15

5.20

5.25

4.75

-40

Pin Description

NAME

FUNCTION

1A0

2C 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.

SDA

Serial Data Input/Output. Bidirectional I

2C data pin.

SCL

Serial Clock Input. I

2C clock input.

4VCC

Power Input

GND

Ground

I/O3

Input/Output 3. I

2C accessible bidirectional I/O pin.

I/O2

Input/Output 2. I

2C accessible bidirectional I/O pin.

I/O1

Input/Output 1. I

2C accessible bidirectional I/O pin.

I/O0

Input/Output 0. I

2C accessible bidirectional I/O pin.

RST

Active-Low Reset Output. Open-drain CPU supervisor reset output.

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