DS2407 Ver la hoja de datos (PDF) - Dallas Semiconductor -> Maxim Integrated

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DS2407

Dual Addressable Switch Plus 1K–Bit Memory

Dallas Semiconductor -> Maxim Integrated 

DS2407

DS2407

Dual Addressable Switch Plus

1K–Bit Memory

FEATURES

• Open drain PIO pins are controlled and their logic

level can be determined over 1–WireTM bus for

closed–loop control

• Dual Channel operation (TSOC package)

• PIO pin channel A sink capability of 50 mA at 0.4V with

soft turn–on; channel B 8 mA at 0.4V

• Maximum operating voltage of 13V at PIO–A, 6.5V at

PIO–B

• 1024 bits user–programmable OTP EPROM

• 7 bytes of user–programmable status memory to con-

trol the device

• Multiple DS2407s can be identified on a common

1–Wire bus and be turned on or off independently of

other devices on the bus

• Unique, factory–lasered and tested 64–bit registra-

tion number (8–bit family code + 48–bit serial number

+ 8–bit CRC tester) assures error–free selection and

absolute identity because no two parts are alike

• On–chip CRC16 generator allows detection of data

transfer errors

• Built–in multidrop controller ensures compatibility

with other MicroLANTM products

• Reduces control, address, data, programming and

power to a single data pin

• Directly connects to a single port pin of a microproces-

sor and communicates at up to 16.3k bits/s

• Low cost TO–92 or 6–pin TSOC surface mount

package

• 1–Wire communication operates over a wide voltage

range of 2.8V to 6.0V from –40°C to +85°C

• Supports Conditional Search with user–program-

mable condition

• VCC bondout for optional external supply to the device

(TSOC package only)

• Hidden Mode; the device will respond only to a Match

ROM command or a Conditional Search when in this

mode.

PIN ASSIGNMENT

TO–92

DALLAS

DS2407

TSOC PACKAGE

1

6

2

5

3

4

TOP VIEW

3.7 X 4.0 X 1.5 mm

1 23

SIDE VIEW

See Mech. Drawings

Section

1 23

BOTTOM VIEW

See Mech. Drawings

Section

PIN DESCRIPTION

TO–92

Pin 1

Ground

Pin 2

Data

Pin 3

PIO–A

Pin 4

––––

Pin 5

––––

Pin 6

––––

TSOC

Ground

Data

PIO–A

VCC

NC

PIO–B

PIO–A

PIO–B

DATA

1–WIRE

PROTOCOL

012099 1/31

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