Products > Integrated Circuits (ICs) > Interface ICs > ZDU0110RHX
ZDU0110RHX 20-TSSOP (0.173, 4.40mm Width)
  • ZDU0110RHX
  • ZDU0110RHX 0
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UART Interface IC Digital UART, 1 UART 512B EEPROM I2C

Manufacturer :
Zilog, Inc
Package/Case :
20-TSSOP (0.173, 4.40mm Width)
Product Categories :
Interface ICs
RoHs Status:
Lead free / RoHS Compliant

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ZDU0110RHX Product Details

Zilog ZDU Digital Universal Asynchronous Receiver/Transmitter (UART) ICs provide full duplex asynchronous communications with a 128B FIFO (First In, First Out) buffer. The FIFO buffer allocates 64 bytes each to the Receive and Transmit operations. These Zilog CMOS communications devices also contain a 4KB EEPROM and General Purpose Input and Output (GPIO) with programmable interrupt capability. ZDU Digital UARTs feature an internal 8MHz oscillator, eliminating the need for external crystal oscillators. The user controls the digital UART by the I2C protocol (2-Wire Interface). Up to eight devices are allowed in the same I2C network. These fully programmable UART ICs are preconfigured to operate at a 57.6kb/s rate so configuration is not required to access the UART or the EEPROM. Zilog ZDU Digital UART ICs provide separate programmable interrupts and interrupt lines for UART notification and GPIO notifications. These separate interrupts and interrupt lines mean the controlling device does not have to poll the UART ICs for data.


  • Single power supply from 1.8 V to 5.5 V
  • No external crystal needed
  • Minimal pin count for space saving Interrupt lines for UARTs and GPIOs for notification
  • Control via I2C standard protocol, up to 400 K
  • Default UART setting: 57600 baud, no flow control, no parity, 8 bits
  • 1 industry standard full duplex individual UART channel
  • 4 KB built-in I2C EEPROM
  • 7 GPIO pins
  • 20 pin TSSOP package

ZDU0110RHX Block Diagram
(Picture: Diagram)

Technical Parameters

Number of Channels 1 Channel Operating Supply Current 2.6 mA
Data Rate 57.6 kb/s Maximum Operating Temperature + 85 C
Memory Size 512 B Minimum Operating Temperature - 40 C
Supply Voltage Max 5.5 V Mounting Style SMD/SMT
Supply Voltage Min 1.8 V Package/Case TSSOP-20

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