Specifications

Technical data sheets

Legislation and Compliance

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Select all	Attribute	Value
	Brand	Toshiba
	Product Type	Quad Bus Buffer
	Logic Family	74VHCT
	Logic Function	Buffer
	Schmitt Trigger Input	No
	Input Type	CMOS
	Output Type	3 State
	Mount Type	Surface
	Polarity	Non-Inverting
	Minimum Supply Voltage	4.5V
	Package Type	TSSOP
	Pin Count	14
	Maximum Supply Voltage	5.5V
	Maximum Propagation Delay Time @ CL	3.8ns
	Minimum Operating Temperature	-40°C
	Maximum High Level Output Current	-8mA
	Maximum Operating Temperature	125°C
	Maximum Low Level Output Current	8mA
	Standards/Approvals	No
	Height	1mm
	Width	4.4 mm
	Length	5mm
	Automotive Standard	AEC-Q100
	Supply Current	4μA

	Select all
	Brand Toshiba
	Product Type Quad Bus Buffer
	Logic Family 74VHCT
	Logic Function Buffer
	Schmitt Trigger Input No
	Input Type CMOS
	Output Type 3 State
	Mount Type Surface
	Polarity Non-Inverting
	Minimum Supply Voltage 4.5V
	Package Type TSSOP
	Pin Count 14
	Maximum Supply Voltage 5.5V
	Maximum Propagation Delay Time @ CL 3.8ns
	Minimum Operating Temperature -40°C
	Maximum High Level Output Current -8mA
	Maximum Operating Temperature 125°C
	Maximum Low Level Output Current 8mA
	Standards/Approvals No
	Height 1mm
	Width 4.4 mm
	Length 5mm
	Automotive Standard AEC-Q100
	Supply Current 4μA

The 74VHCT125AFT and 74VHCT126AFT are high speed CMOS QUAD BUS BUFFERs fabricated with silicon gate C2MOS technology. They achieve the high speed operation similar to equivalent Bipolar Schottky TTL while maintaining the CMOS low power dissipation. The 74VHCT125AFT requires the 3-state control input G to be set high to place the output into the high impedance state, whereas the 74VHCT126AFT requires the control input G to be set low to place the output into high impedance. The input voltage are compatible with TTL output voltage. This device may be used as a level converter for interfacing 3.3 V to 5 V system. Input protection and output circuit ensure that 0 to 5.5 V can be applied to the input and output (Note) pins without regard to the supply voltage. There structure prevents device destruction due to mismatched supply and input/ output voltages such as battery back up, hot board insertion, etc.

Wide operating temperature range: Topr = -40 to 125 

High speed: Propagation delay time = 3.8 ns (typ.) at VCC = 5.0 V

Quiescent supply current: ICC = 4.0 μA (max) at Ta = 25 

Compatible with TTL input: VIL = 0.8 V(max)

VIH = 2.0 V(min)

Power down protection is provided on all inputs and outputs.

Balanced propagation delays: tPLH ≈ tPHL

Low noise: VOLP = 0.8 V (max)

Pin and function compatible with the 74 series

Toshiba 74VHCT125AFT Non-Inverting 3 State Quad Bus Buffer, 14-Pin TSSOP

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