MAX3243ECAI

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MAX3243ECAI

IC TRANSCEIVER FULL 3/5 28SSOP

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  • Mfr。パート #MAX3243ECAI
  • パッケージ SSOP-28
  • データシート
  • 在庫中7704

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仕様

Package Tube,Tube
ProductStatus Obsolete
Type Transceiver
Protocol RS232
NumberofDrivers/Receivers 3/5
Duplex Full
ReceiverHysteresis 500 mV
DataRate 250kbps
Voltage-Supply 3V ~ 5.5V
OperatingTemperature 0°C ~ 70°C
MountingType Surface Mount
Package/Case 28-SSOP (0.209, 5.30mm Width)

概要

Description

MAX3243ECAI is Maxim’s quad RS-232 transceiver. It provides two RS-232 drivers and two RS-232 receivers, letting two UARTs talk to RS-232 devices. The device translates TTL/CMOS logic levels to RS-232 voltage levels (and back) from a single supply (typically 3.0–5.5 V) and uses an external charge-pump capacitor network to generate the RS-232 voltages (about ±6 V). It supports UART data rates up to roughly 1 Mbps per channel and is designed for low power operation. External capacitors (often 0.1 μF) are required for the charge pump. Applications include microcontroller UART interfaces to PCs, modems, and serial peripherals. The “ECAI” suffix denotes the device’s packaging and temperature grade (industrial/commercial variants) in the available package options.

Features

MAX3243ECAI is a quad RS-232 transceiver. Key features:
- 4 drivers + 4 receivers (quad RS-232 transceiver)
- Single-supply operation: 3.0V to 5.5V
- External charge-pump capacitors (typical four 0.1 µF) for RS-232 voltage generation
- TTL/CMOS-compatible input thresholds; RS-232-level outputs
- Supports standard RS-232 data rates (up to about 1 Mbps range, depending on conditions)
- ESD and short-circuit protection on I/O lines
- Suitable for commercial/industrial temperature ranges (as packaged in CAI)
Note: exact voltage swing, current, and speed specs depend on the specific device revision and conditions; consult the datasheet for precise values.

Package

16-pin TSSOP (SSOP) package.

Pinout

- Pin count: 28 pins (28-pin package, e.g., TQFP/SSOP)
- Function: Quad RS-232 transceiver (four drivers and four receivers) that interfaces between TTL/CMOS logic (TIN/RIN/ROUT/TOUT) and RS-232 signals. Uses an internal charge pump with external capacitors to generate the ± voltages; operates from 3.0–5.5 V.

Manufacturer

Manufacturer: Maxim Integrated Products (now part of Analog Devices, Inc.).
What kind of company: A fabless semiconductor company that designs and markets analog and mixed-signal integrated circuits (now under Analog Devices).

Application

MAX3243ECAI is a triple-driver, quadruple-receiver RS-232 transceiver. Applications include:
- Embedded systems needing RS-232 to PC/modem/printer/PLC connections
- Multi-port serial interfaces in industrial control and data-logging/telemetry systems
- Point-of-sale terminals and other industrial controllers
- Console/diagnostic ports in networking gear
- USB-to-RS-232 adapters and other serial communication interfaces
Concise, field-ready RS-232 level shifting for microcontroller to RS-232 devices.

Equivalent

Equivalent products (quad RS-232 transceivers) to MAX3243ECAI include:
- Analog Devices: ADM3243 (ADM324x family)
- STMicroelectronics: ST3232 / ST232 family
- Texas Instruments: SN75C324x / SN65C324x family
- Exar: SP3232 / SP324x (quad RS-232)
Notes: ensure pinout compatibility and same supply range (roughly 3.0–5.5 V) and packaging.

出荷

出荷方法私たち

DHL、FedEx、TNT、UPS、またはあなたの選択の他の運送業者を通じてグローバルな出荷サービスを提供します。


出荷料参照（DHL/FedEx）:

DHL の: 配送費は25ドル〜45ドル（0.5kg）の範囲で、推定配送時間は2〜5営業日です。

フェデックス: 配送費は25ドル〜40ドル（0.5kg）の範囲で、推定配送時間は3〜7営業日。

UPS の: 配送費は25ドル〜45ドル（0.5kg）の範囲で、推定配送時間は3〜7営業日。

TNT社: 配送費は25ドル〜65ドル（0.5kg）の範囲で、推定配送時間は3〜7営業日。

EMS: 配送料金は30〜50ドル（0.5kg）の範囲で、推定配送時間は7〜15営業日です。

登録航空郵便: 配送費は2〜4ドル（0.1kg）で、推定配送時間は5〜20営業日です。

支払い

Payment Methods

支払い期間は100％前払いです。

現在、下記の支払い方法のみを受け入れています。:

1. ペイパル

2. クレジット・デビットカード

3. ワイヤー 転送

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