Part # 74VHC125 datasheet

Part Manufacturer: ST Microelectronics

ST Microelectronics

Part Description: Quad bus buffers (3-state)

Part Details:

74VHC125 QUAD BUS BUFFERS (3-STATE) s HIGH SPEED: t PD = 3.8ns (TYP.) at VCC = 5V s LOW POWER DISSIPATION:ICC = 4 µA (MAX.) at TA=25°C s HIGH NOISE IMMUNITY:VNIH = VNIL = 28% VCC (MIN.) s POWER DOWN PROTECTION ON INPUTS s SYMMETRICAL OUTPUT IMPEDANCE: SOP TSSOP |IOH| = IOL = 8mA (MIN) s BALANCED PROPAGATION DELAYS: Table 1: Order Codes tPLH tPHL s OPERATING VOLTAGE RANGE: PACKAGE T & R VCC(OPR) = 2V to 5.5V SOP 74VHC125MTR s PIN AND FUNCTION COMPATIBLE WITH TSSOP 74VHC125TTR 74 SERIES 125 s IMPROVED LATCH-UP IMMUNITY s LOW NOISE: VOLP = 0.8V (MAX.) Power down protection is provided on all inputsand 0 to 7V can be accepted on inputs with no DESCRIPTION regard to the supply voltage. This device can be The 74VHC125 is an advanced high-speed used to interface 5V to 3V. 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. 7 November 2004 1/12

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74VHC125.pdf Datasheet