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ST16C32245 Datasheet 14 Bit Dual Supply Bus Transceiver Level Translator

Manufacturer: STMicroelectronics

Overview: www.DataSheet4U.com ST16C32245 14 BIT DUAL SUPPLY BUS TRANSCEIVER LEVEL TRANSLATOR, A SIDE SERIES RESISTOR, 2 BIT I2C LINES PRELIMINARY DATA s s s s s s s s s s s HIGH SPEED: tPD = 4.4ns (MAX.) at TA=85°C VCCA = 3.0V VCCB = 2.3V LOW POWER DISSIPATION: ICCA = ICCB = 20µA(MAX.) at TA=85°C SYMMETRICAL OUTPUT IMPEDANCE: |IOHA| = IOLA = 8mA MIN at VCCA = 3.0V VCCB = 1.65V or 2.3V |IOHB| = IOLB = 6mA MIN at VCCB = 1.65V VCCA = 3V) BALANCED PROPAG. DELAYS: tPLH ≅ tPHL POWER DOWN PROTECTION ON I/O 26Ω SERIES RESISTOR ON A SIDE OUTPUTS OPERATING VOLTAGE RANGE: VCCA(OPR)=2.3V to 3.6V (1.2V Data Retent) VCCB(OPR)=1.65V to 2.7V (1.2V Data Retent) FAST I2C LINES 1.8V/2.

General Description

The ST16C32245 is a dual supply low voltage CMOS 14-BIT BUS TRANSCEIVER fabricated with sub-micron silicon gate and five-layer metal wiring C2MOS technology.

Designed for use as an interface between a 3.3V bus and a 2.5V or 1.8V bus in a mixed 3.3V/1.8V,3.3V/2.5V and 2.5V/ 1.8V supply systems, it achieves high speed operation while maintaining the CMOS low power dissipation and it includes 2-bit I2C level translation.

This IC is intended for two-way asynchronous communication between data buses and the direction of data transmission is determined by nDIR inputs.

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