PCF8583T/5,518

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PCF8583T/5,518

IC RTC CLK/CALENDAR I2C 8-SOIC

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Especificaciones

Supplier NXP USA Inc.
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Type Clock/Calendar
Features Alarm, NVSRAM, Square Wave Output
MemorySize 240B
TimeFormat HH:MM:SS:hh (12/24 hr)
DateFormat YY-MM-DD
Interface I²C, 2-Wire Serial
Voltage-Supply 2.5V ~ 6V
Current-Timekeeping(Max) 10µA ~ 50µA @ 1V ~ 5V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 8-SOIC (0.295, 7.50mm Width)

Descripción general

Description

PCF8583T/5,518 is an I2C real-time clock/calendar (RTC) with on‑chip RAM from Philips/NXP. It uses a 32.768 kHz crystal to keep accurate time and provides calendar data (seconds, minutes, hours, day, date, month, year, day-of-week) with leap-year handling. It supports battery-backed operation so time and RAM are retained when main power is removed. The device includes programmable alarm/interrupt outputs and a small RAM area for user data logging. It’s designed for low-power, I2C-based timekeeping in microcontroller systems and is suitable for clocks, data loggers, timers, and event-recording applications.

Features

PCF8583T/5,518 is an I2C real-time clock/calendar with RAM. Key features:
- I2C serial interface for easy microcontroller integration
- Real-time clock: seconds, minutes, hours (12/24‑hour mode), day of week, date, month, year
- Battery-backed operation for RTC when VDD is off
- On-chip RAM for user data (general-purpose RAM)
- Alarm and programmable timer functions
- Programmable square-wave output
- Clock/calendar driven from a 32.768 kHz timebase (crystal input)
- Wide supply range and low power for battery-powered/portable apps
- Available in compact packages (surface-mount/DIP variants)
Note: exact RAM size, voltage ranges, and timing details vary by package/variant; please consult the datasheet for precise specifications.

Package

The PCF8583T/5,518 is supplied in an 8-pin PDIP (DIP-8) through-hole package. The PCF8583 family is also commonly available in an 8-pin SOIC (SO-8) surface-mount package.

Pinout

PCF8583T/5,518 is a 16‑pin device. Key pin functions (summary):
- Power: VDD (supply), VSS (ground)
- I²C interface: SDA (serial data), SCL (serial clock)
- Crystal/oscillator: X1, X2 (connect 32.768 kHz crystal)
- Hardware address inputs: A0, A1, A2 (select I²C slave address)
- Programmable output/interrupt: OUT/INT (open‑drain timed/alarm output)
- Remaining pins are package NC/reserved or used internally (per datasheet)
Functionally the PCF8583 is an I²C real‑time clock/calendar with timer/alarm, a programmable square‑wave/interrupt output, and on‑chip user RAM (see full datasheet for exact pin numbering and reserved/NC positions).

Manufacturer

Manufacturer: NXP Semiconductors (originally marketed under Philips Semiconductors).
What kind of company: NXP is a Dutch multinational semiconductor manufacturer that designs and produces integrated circuits and system solutions (microcontrollers, mixed‑signal ICs, RF, security, automotive and IoT components) for automotive, industrial, mobile and consumer markets.

Application

PCF8583T is an I2C real-time clock/calendar with battery-backed RAM (56 bytes). Typical applications:
- Data logging and time-stamping in battery-powered devices
- Event counters, scheduling, and time-based triggers
- Alarm/interrupt generation and programmable square-wave timing
- Handheld, medical, automotive, consumer electronics, and security systems
- Meters and other instrumentation requiring timing and nonvolatile data storage

Equivalent

Functionally equivalent I2C RTC alternatives to the NXP PCF8583:
- NXP PCF8563 (recommended modern successor)
- Maxim/Dallas DS1307, DS1338 (widely used I²C RTCs)
- Microchip MCP7940N / MCP79410
- ST M41T62 / M41T00 series
Note: register maps and pinouts differ—check datasheets for drop‑in compatibility and required firmware changes.

Envío

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Referencia de tarifas de envío (DHL/FedEx):

DHL: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 2-5 días hábiles.

FedEx: El costo de envío oscila entre $25-$40 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

UPS: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

TNT: El costo de envío oscila entre $25-$65 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

EMS: El costo de envío oscila entre $30-$50 (0.5kg), con un plazo de entrega estimado de 7-15 días hábiles.

Correo aéreo registrado: El costo de envío es de $2-$4 (0.1kg), con un tiempo de entrega estimado de 5-20 días hábiles.

Pagos

Payment Methods

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Actualmente, solo aceptamos los siguientes métodos de pago:

1. de PayPal

2. Tarjeta de crédito/débito

3. Transferencia bancaria

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