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74VCX163245TTR 데이터시트(PDF) 1 Page - STMicroelectronics |
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74VCX163245TTR 데이터시트(HTML) 1 Page - STMicroelectronics |
1 / 15 page 1/15 June 2003 s HIGH SPEED: tPD = 4.4ns (MAX.) at TA=85°C VCCA =3.0V VCCB =2.3V s LOW POWER DISSIPATION: ICCA =ICCB =20µA(MAX.) at TA=85°C s SYMMETRICAL OUTPUT IMPEDANCE: |IOHA|= IOLA = 12mA MIN at VCCA =3.0V VCCB = 1.65V or 2.3V |IOHA|= IOLA = 8mA MIN at VCCA =2.3V VCCB = 1.65V) s BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL s POWER DOWN PROTECTION ON INPUTS AND OUTPUTS s OPERATING VOLTAGE RANGE: VCCA(OPR)= 2.3Vto 3.6V(1.2VData Retention) VCCB(OPR)=1.65Vto2.7V(1.2VDataRetention) 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 74VCX163245 is a dual supply low voltage CMOS 16-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. 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 nOE canbeused to disable the device so that the buses are effectively isolated. The A-port interfaces with the 3V bus, the B-port with the 2.5V and 1.8V bus. All inputs are equipped with protection circuits against static discharge, giving them 2KV ESD im- munity and transient excess voltage. All floating bus terminals during High Z State must be held HIGH or LOW. 74VCX163245 16-BIT DUAL SUPPLY BUS TRANSCEIVER LEVEL TRANSLATOR This is preliminary information on a new product foreseen to be developed. Details are subject to change without notice. ORDER CODES PACKAGE TRAY T & R TSSOP48 74VCX163245TTR TFBGA54 74VCX163245LB 74VCX163245LBR µTFBGA42 74VCX163245TB 74VCX163245TBR TSSOP µTFBGA TFBGA TARGET DATA LOGIC DIAGRAM |
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