ICL3232CBNZ

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ICL3232CBNZ

+BOM

RS-232 TRANSCEIVER, 2 FUNC, 2 DR

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Thông số kỹ thuật

thuộc tính Giá trị
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)

Tổng quan

Description

ICL3232CBNZ is a dual RS-232 transceiver (two drivers and two receivers) from Intersil/Renesas. It translates between TTL/CMOS logic levels and RS-232 signal levels, enabling microcontrollers to talk to RS-232 devices. The part runs from a single 3.0–5.5 V supply and uses an external capacitor-based charge pump to generate the required RS-232 ± voltages. It accepts TTL/CMOS inputs and provides RS-232 outputs (and vice versa), making it suitable for serial interfaces, modems, and other RS-232 ports. The “CBNZ” suffix relates to its package/variant. For exact electrical specs, capacitor values, and timing, consult the datasheet.

Equivalent

Common equivalents to ICL3232CBNZ are other 2-channel RS-232 transceivers such as:
- MAX3232 / MAX3232E (Maxim Integrated)
- ADM3232 (Analog Devices)
- SP3232 / SP3232E (STMicroelectronics)
These provide dual RS-232 drivers/receivers with onboard charge-pump and operate from 3.3V/5V, matching the ICL3232 family’s functionality.

Features

Concise features of ICL3232CBNZ (RS-232 transceiver):
- Dual RS-232 transceiver: 2 drivers and 2 receivers
- Single-supply operation: 3.0 V to 5.5 V
- On-chip charge pump to generate RS-232 voltage levels
- External charge-pump capacitors required (typically 1 µF each)
- TTL/CMOS-compatible logic inputs; RS-232 outputs around ±6 V to ±9 V
- Data rate: supports standard RS-232 speeds (up to ~250 kbps)
- Low power consumption
- 3-state outputs for bus interfacing
- ESD/short-circuit protection on I/O pins
- Small package suitable for compact designs (BNZ variant/package)

Pinout

- Pin count: 16 pins (DIP-16/SO-16).
- Function: Dual RS-232 transceiver. It contains two RS-232 drivers and two receivers, converting TTL/CMOS signals to RS-232 levels and RS-232 levels back to TTL/CMOS. Uses an on-chip charge-pump that requires external capacitors to generate the RS-232 voltage levels from a single supply (Vcc). Pinout includes Vcc, GND, T1IN/T2IN, T1OUT/T2OUT, R1IN/R2IN, R1OUT/R2OUT, and C1+/C1−, C2+/C2−.

Manufacturer

- Manufacturer: Intersil (now part of Renesas Electronics).
- What kind of company: A semiconductor company specializing in analog, mixed-signal, and power-management ICs.

Application

ICL3232CBNZ is a dual RS-232 driver/receiver with charge-pump. Applications include:
- Interfaces for microcontrollers/DSPs to RS-232 devices (PCs, modems)
- Embedded and industrial controllers (PLCs, data loggers, instrumentation)
- Networking/telecom equipment (console ports on routers/switches)
- Point-of-sale terminals and related printers
- Test/measurement equipment and protocol analyzers
- Automotive diagnostic tools requiring RS-232 interfaces

Package

16‑pin plastic DIP (DIP‑16). The NZ suffix indicates a RoHS‑compliant version.

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