Part # 74VHCT125A datasheet

Part Manufacturer: ST Microelectronics

ST Microelectronics

Part Description: Quad bus buffers (3-state)

Part Details:

74VHCT125A QUAD BUS BUFFERS (3-STATE) s HIGH SPEED: t PD = 3.8 ns (TYP.) at VCC = 5V s LOW POWER DISSIPATION:ICC = 2 µA (MAX.) at TA=25°C s COMPATIBLE WITH TTL OUTPUTS:VIH = 2V (MIN.), VIL = 0.8V (MAX) s POWER DOWN PROTECTION ON INPUTS & OUTPUTS SOP TSSOP s SYMMETRICAL OUTPUT IMPEDANCE:|IOH| = IOL = 8 mA (MIN) Table 1: Order Codes s BALANCED PROPAGATION DELAYS:tPLH tPHL PACKAGE T & R s OPERATING VOLTAGE RANGE: SOP 74VHCT125AMTR VCC(OPR) = 4.5V to 5.5V TSSOP 74VHCT125ATTR s PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 125 s IMPROVED LATCH-UP IMMUNITY Power down protection is provided on all inputs s LOW NOISE: VOLP = 0.8V (MAX.) and outputs and 0 to 7V can be accepted oninputs with no regard to the supply voltage. This DESCRIPTION device can be used to interface 5V to 3V since all The 74VHCT125A is an advanced high-speed inputs are equipped with TTL threshold. CMOS QUAD BUS BUFFERS fabricated with All inputs and outputs are equipped with sub-micron silicon gate and double-layer metal protection circuits against static discharge, giving wiring C2MOS technology. them 2KV ESD immunity and transient excess The device requires the 3-STATE control input G voltage. to be set high to place the output in to the highimpedance state. Figure 1: Pin Connection And IEC Logic Symbols Rev. 6 December 2004 1/12 74VHCT125A

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