Product Overview
The Renesas Electronics HIN202CB is a dual RS-232 transmitter and receiver designed for low-power serial communication applications that comply with EIA/TIA-232-E and V.28/V.24 specifications. The device integrates charge pump voltage converters and line drivers/receivers, enabling full RS-232 functionality using only a single +5V power supply. It is particularly suited for portable and battery-powered systems, modems, and embedded devices that require reliable and efficient RS-232 level translation.

Functional Description
The HIN202CB features two transmitters and two receivers that can operate simultaneously. It incorporates on-chip charge pumps that generate the necessary positive and negative voltages for RS-232 signal levels from a single 5V input. Internal drivers convert TTL/CMOS logic levels to RS-232 voltage levels, and the receivers accept RS-232 inputs and translate them back to logic levels compatible with 5V systems.

* Transmitters (Drivers): 2
* Receivers: 2
* On-Chip Charge Pumps: Yes (internal capacitive voltage converter)
* Logic-Level Interface: TTL/CMOS compatible
* RS-232 Compliance: EIA/TIA-232-E, V.28/V.24 compliant
* Operation from Single +5V Supply: Yes

Electrical Characteristics
The HIN202CB is optimized for low power consumption and supports high data rates with robust signal levels. Its transmitter outputs can swing to ±9V or greater, while maintaining compliance with RS-232 standards.

* Supply Voltage (Vcc): 4.5 V to 5.5 V
* Transmitter Output Voltage Swing: ±5V to ±9V typical
* Logic Input Thresholds:
– VIH: 2.0 V min
– VIL: 0.8 V max
* Receiver Input Thresholds:
– VIL (RS-232): ≤0.8 V
– VIH (RS-232): ≥2.4 V
– Input Range: ±15 V max
* Receiver Output Voltage:
– VOH: ≥3.5 V at IOH = –1 mA
– VOL: ≤0.4 V at IOL = 1.6 mA
* Input Current (Receiver): ±5 µA max
* Power Supply Current (ICC): 1 mA typical, 5 mA max (no load)

Performance and Timing
The HIN202CB supports asynchronous communication at standard and high baud rates, making it compatible with typical serial interfaces such as RS-232 COM ports and UARTs.

* Maximum Data Rate: 120 kbps (guaranteed minimum)
* Driver Propagation Delay: ~1 µs typical
* Receiver Propagation Delay: ~1 µs typical
* Driver Output Resistance: 300 Ω typical
* Slew Rate: 30 V/µs typical (meets RS-232 requirements)

Features and Protections
The device is built with internal safeguards that ensure long-term reliability and protection against fault conditions.

* Short-Circuit Protection: Yes (on transmitter outputs)
* ESD Protection: ±2 kV HBM on RS-232 pins
* Output Enable Control: No (drivers are always active)
* Low Supply Current: Reduces power usage in portable applications
* Capacitor Requirements:
– Four external capacitors required for charge pump operation (typically 0.1 µF to 1 µF)

Package and Mechanical Information
The HIN202CB is packaged in a standard plastic DIP form factor, suitable for prototyping and through-hole PCB assembly.

* Package Type: PDIP (Plastic Dual In-line Package)
* Pin Count: 16 pins
* Package Dimensions: 0.3" width standard DIP footprint
* Mounting: Through-hole
* Operating Temperature Range: 0°C to +70°C
* Moisture Sensitivity Level (MSL): Not moisture sensitive (DIP package)
* RoHS Compliant: No (leaded DIP version)

Typical Applications
This device is widely used in any embedded system requiring an RS-232 interface, especially where low power consumption and single-supply operation are essential.

* Serial communication ports for embedded systems
* RS-232 to TTL level translators
* Modems and fax machines
* Industrial instrumentation and control systems
* Portable data logging and diagnostic tools
* Point-of-sale (POS) systems
* Set-top boxes and remote control interfaces

Summary of Key Specifications

* Drivers/Receivers: 2 TX, 2 RX
* Supply Voltage: 4.5 V – 5.5 V
* Output Voltage Swing: ±5 V to ±9 V
* Data Rate: Up to 120 kbps
* Supply Current: 1 mA typical
* ESD Protection: ±2 kV
* Package: 16-pin DIP
* Temperature Range: 0°C to +70°C

The Renesas HIN202CB delivers robust and efficient RS-232 level translation in a compact dual-channel configuration. Its internal charge pump and compliance with EIA/TIA standards make it ideal for space-constrained and battery-operated devices that require reliable serial communication.