STMicroelectronics ST16C32245
The ST16C32245 is a dual supply low voltage CMOS 14-bit bus transceiver fabricated with submicron silicon gate and five-layer metal wiring C2MOS technology. Designed for use as an interface between a 3.3 V bus and a 2.5 V or 1.8 V bus in a mixed 3.3 V/1.8 V,3.3 V/2.5 V and 2.5 V/1.8 V supply systems, it achieves high speed operation while maintaining the CMOS low power dissipation. It also includes 2-bit I2C level translation.FEATURES
ole● High speed: tPD = 4.4 ns (max) at TA = 85 °C s VCCA = 3.0 V and VCCB = 2.3 V b
● Low power dissipation: - O ICCA = ICCB = 20 µA (max) at TA = 85 °C )
● Symmetrical output impedance: t(s |IOHA| = IOLA = 8 mA min c (VCCA = 3.0 V; VCCB = 1.65 V or 2.3 V) u |IOHB| = IOLB = 6 mA min d (VCCB = 1.65 V VCCA = 3.0 V; ) ro
● Balanced propagation delays: tPLH ≅ tPHL P
● Power down protection on inputs and outputs te
● 26 Ω series resistor on A side outputs ole
● Operating voltage range: sVCCA (opr) = 2.3 V to 3.6 V bVCCB (opr) = 1.65 V to 2.7 V O● Fast I2C lines 1.8 V/2.8 V level translator: 400 kHz guaranteed data rate at CL = 15 pF
● ESD performance: HBM > 2000 V (MIL STD 883 method 3015); MM > 200 V
DESCRIPTION
It also 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. The enable inputs nG can be used to disable the device so that the buses are effectively isolated.