MAX7219ENG

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MAX7219ENG

IC DRVR 7 SEGMENT 8 DIGIT 24DIP

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  • Mfr. Parte #MAX7219ENG
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Especificaciones

Part Status Obsolete
Display Type LED
Configuration 7 Segment + DP
Interface 4-Wire Serial
Digits or Characters 8 Digits
Current - Supply 330 mA
Voltage - Supply 4V ~ 5.5V
Operating Temperature -40°C ~ 85°C
Mounting Type Through Hole
Package / Case 24-DIP (0.300", 7.62mm)
Supplier Device Package 24-PDIP
Base Product Number MAX7219

Descripción general

Description

MAX7219ENG (MAX7219) is a compact LED display driver with a serial interface. It can drive up to 8 digits of 7‑segment LEDs or an 8×8 LED matrix, using 64 constant‑current LED sinks.
Key points:
- Interface: 3‑wire SPI‑like (DIN, CLK, CS) with 16‑bit frames (8‑bit address, 8‑bit data); supports daisy chaining.
- Outputs: 8 digits × 1 current sink per segment (A–G, DP), plus 8 digit drivers for multiplexing.
- Features: selectable brightness (intensity 0–15), decode mode for 0–9/A–F, display‑test, shutdown, and ISET pin to set LED current.
- Power: typical operation at 4.5–5.5V; current per LED is programmable.
- Applications: digital clocks, counters, scoreboards, LED matrices, where you want simple MCU control without many pins.
In short, MAX7219ENG simplifies driving multiple LED digits/matrices with a single cheap MCU interface and daisy‑chain scalability.

Package

It’s a 24-pin package (DIP-24 and SO-24 options available).

Pinout

Pin count: 24 pins (DIP-24 / SO-24).
Function: MAX7219ENG is a serially interfaced, constant-current LED display driver for up to 8 digits of 7-segment (64 LEDs). It uses an SPI-like interface (DIN, CLK, LOAD) with DOUT for daisy chaining. It provides 8 segment outputs (A–G and DP) and 8 digit drivers, with current set by an external ISET resistor. It enables multiplexed driving and includes V+ and GND pins.

Manufacturer

Manufacturer: Maxim Integrated (now part of Analog Devices). Maxim Integrated is a global semiconductor company that designs and manufactures analog, mixed-signal, and digital integrated circuits.

Application

- 7-segment LED displays (up to 8 digits) and 8×8 dot-matrix displays
- Digital clocks, timers, counters, scoreboards
- Signage and panel displays in consumer electronics
- Instrumentation and control panels
- Educational/hobby projects (Arduino, Raspberry Pi)
- Cascaded displays for larger digit counts (up to 64 digits)

Equivalent

Direct equivalents to MAX7219ENG (8‑digit serial LED driver) include:
- MAX7221 (Maxim) – 8‑digit serial LED driver
- PT6961 (Princeton Tech) – 8‑digit LED driver
- TM1628 / TM1638 (Titan Micro/Sunplus) – serial LED drivers (with keypad options)
- HT16K33 (Holtek) – I2C LED driver for 16x8/8x16 displays
- HT1632/HT1633 (Holtek) – LED matrix/display drivers
- AS1115 (ams) – I2C 16‑channel constant‑current LED driver
(Equivalents vary by interface and package.)

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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