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74LCXHR162245 Scheda tecnica(PDF) 1 Page - STMicroelectronics |
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74LCXHR162245 Scheda tecnica(HTML) 1 Page - STMicroelectronics |
1 / 10 page 1/10 July 2003 s 5V TOLERANT INPUTS AND OUTPUTS s HIGH SPEED: tPD = 4.7 ns (MAX.) at VCC =3V s POWER DOWN PROTECTION ON INPUTS AND OUTPUTS s SYMMETRICAL OUTPUT IMPEDANCE: |IOH|= IOL = 12mA (MIN) at VCC =3V s PCI BUS LEVELS GUARANTEED AT 12 mA s BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL s OPERATING VOLTAGE RANGE: VCC(OPR) = 2.0V to 3.6V (1.5V Data Retention) s BUS HOLDPROVIDEDONBOTH SIDES s PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 16245 s LATCH-UP PERFORMANCE EXCEEDS 500mA (JESD 17) s ESD PERFORMANCE: HBM > 2000V (MIL STD 883 method 3015); MM > 200V DESCRIPTION The 74LCXHR162245 is a low voltage CMOS 16 BIT BUS TRANSCEIVER (3-STATE) fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS technology. It is ideal for low power and high speed 3.3V applications; it can be interfaced to 5V signal environment for both inputs and outputs. This IC is intended for two-way asynchronous communication between data buses; the direction of data transmission is determined by DIR input. The two enable inputs nG can beusedtodisable the device so that the buses are effectively isolat- ed. Bus hold on data inputs is provided in order to eliminate the need for external pull-up or pull-down resistor. All outputs, which are designed to sink up to 12mA, include 26 Ω resistors to reduce overshoot and undershoot. All inputs and outputs are equipped with protec- tion circuits against static discharge, giving them 2KV ESD immunity and transient excess voltage. 74LCXHR162245 LOW VOLTAGE CMOS 16-BIT BUS TRANSCEIVER WITH 5V TOLERANT INPUTS AND OUTPUT (3-STATE) ORDER CODES PACKAGE TUBE T & R TSSOP 74LCXHR162245TTR TSSOP PIN CONNECTION |
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