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74LVTH16244 Arkusz danych(PDF) 1 Page - STMicroelectronics |
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74LVTH16244 Arkusz danych(HTML) 1 Page - STMicroelectronics |
1 / 13 page 1/13 February 2004 s HIGH SPEED: tPD = 3.2ns (MAX.) at TA = 85°C VCC =3.0V s LOW POWER DISSIPATION HIGH LEVEL OUTPUT: ICC =190µA(MAX.) at TA = 85°C s OUTPUT IMPEDANCE: |IOH| = 32mA, IOL = 64mA (MIN at VCC =3.0V) |IOH|= 8mA, IOL = 24mA (MIN at VCC =2.7V) s BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL s POWER DOWN PROTECTION ON INPUTS AND OUTPUTS s COMPATIBLE WITH TTL OUTPUTS: VIH =2V (MIN),VIL =0.8V(MAX) at VCC = 2.7 to 3.6V s POWER-UP/DOWN 3-STATE: IOZPU = 100µA MAX at VCC =0V to 1.5V, VCC =1.5V to0V, TA =85°C s BUS HOLD PROVIDED ON DATA INPUTS s OPERATING VOLTAGE RANGE: VCC(OPR) = 2.7V to 3.6V s PIN AND FUNCTION COMPATIBLE WITH 74 SERIES H16244 s LATCH-UP PERFORMANCE EXCEEDS 500mA (JESD 17) DESCRIPTION The 74LVTH16244 is a low voltage BiCMOS 16 BIT BUS BUFFER (NON-INVERTED) fabricated with sub-micron silicon gate and five-layer metal wiring BiCMOS technology. It is ideal and full specified for hot-insertion and high speed 3.3V ap- plications; the power-up/down 3-state circuitry places the outputs in the high impedance state during power-up/down, which prevents driver con- flict. This function is guaranteed when VCC is be- tween 0 and 1.5V. It can be interfaced to 3.3V sig- nal environment for both inputs and outputs. Any nG output control governs four BUS BUFFERS. Output Enable input (nG) tied together gives full 16-bit operation. When nG is LOW, the outputs are on. When nG is HIGH, the output are in high impedance state effectively isolated. Bus hold on data inputs is provided in order to eliminate the need for external pull-up or pull-down resistors. All inputs and outputs are equipped with protec- tion circuits against static discharge, giving them ESD immunity and transient excess voltage. 74LVTH16244 LOW VOLTAGE BICMOS 16 BIT BUS BUFFER WITH BUS HOLD AND POWER UP 3-STATE ORDER CODES PACKAGE T & R TSSOP48 74LVTH16244TTR TFBGA54 74LVTH16244LBR TSSOP TFBGA LOGIC DIAGRAM |
Podobny numer części - 74LVTH16244 |
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Podobny opis - 74LVTH16244 |
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