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ICL3232CBNZ

Name: ICL3232CBNZ
Rating: 4.7 (12 reviews)

RS-232 TRANSCEIVER, 2 FUNC, 2 DR

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製造商。部分 #ICL3232CBNZ
包 16-SOIC (0.154, 3.90mm Width)
資料表 ICL3232CBNZ DataSheet
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規格

Supplier	Rochester Electronics, LLC
Package	Bulk
ProductStatus	Active
Type	Transceiver
Protocol	RS232
NumberofDrivers/Receivers	2/2
Duplex	Full
ReceiverHysteresis	300 mV
DataRate	250kbps
Voltage-Supply	3V ~ 5.5V
OperatingTemperature	0°C ~ 70°C
MountingType	Surface Mount
Package/Case	16-SOIC (0.154, 3.90mm Width)

概述

Description

ICL3232CBNZ is a dual RS-232 transceiver from Intersil/Renesas. It provides two drivers and two receivers, enabling bidirectional serial interface between TTL/CMOS logic (microcontrollers) and RS-232 ports.
Key points:
- Converts TTL/CMOS levels to RS-232 voltage levels and back.
- Single-supply operation (roughly 3.0–5.5 V) with an internal charge-pump to generate RS-232 voltages; requires external capacitors.
- Suitable for microcontroller to PC/modem serial connections; supports typical RS-232 data rates and signaling.
- Suffix “CBNZ” denotes packaging/grade; check the datasheet for exact package type, voltage/temperature specs, and capacitor recommendations.
If you’re designing a board, review the datasheet for pinout, capacitor values, drive strength, input thresholds, and any ESD/EMI considerations.

Features

Key features of ICL3232CBNZ (RS-232 transceiver):
- Dual RS-232 transceiver: 2 drivers and 2 receivers
- On-chip charge pump to generate RS-232 levels from a single supply
- External capacitors required (typical: four 0.1 μF caps per datasheet)
- Data rate up to ~250 kbps (typical)
- Outputs swing to RS-232 levels (roughly ±6V to ±7V)
- TTL/CMOS input thresholds; accepts standard TTL/CMOS on transmit side and RS-232 signals on receive side
- Low quiescent current for low-power operation
- Available in CBNZ package variant (16-pin)
Note: Always verify exact voltage/supply range and capacitor values against the specific datasheet for ICL3232CBNZ.

Package

16‑pin package: DIP‑16.

Pinout

- Pin count: 16-pin package (DIP-16 / SO-16)
- Function: Dual RS-232 transceiver (two drivers and two receivers) with an internal charge-pump to generate RS-232 voltage levels. Interfaces TTL/CMOS logic on TIN/RIN pins to RS-232 on TOUT/ROUT pins.

Manufacturer

- Manufacturer: Renesas Electronics Corporation (Intersil brand; Intersil’s legacy product line is now part of Renesas).
- What kind of company: A Japanese multinational semiconductor company that designs and manufactures analog, mixed-signal, and power-management integrated circuits.

Application

ICL3232CBNZ is a dual RS-232 line driver/receiver. Applications: any UART-based serial interface in embedded systems—MCU to PC/modem/printer/POS terminals; industrial controllers and instrumentation; data loggers and telemetry; telecom and network peripherals. Designed for 5V operation with low power; requires external charge-pump capacitors for RS-232 levels.

Equivalent

Possible equivalents (dual RS-232 transceivers similar to ICL3232CBNZ):
- MAX232/MAX232A/MAX3232 (Maxim/Analog Devices)
- ADM3232/ADM3232A (Analog Devices)
- SP3232 / SP3232E (Exar/Renesas)
- ST3232 (STMicroelectronics)
- MCP2321 / MCP2322 (Microchip)
All are 2-driver/2-receiver RS-232 transceivers with charge-pump levels and similar 3.0–5.5 V operation.