Specifications

Technical data sheets

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Select all	Attribute	Value
	Brand	Toshiba
	Logic Family	74VHCT
	Logic Function	Bus Transceiver
	Number of Elements per Chip	9
	Number of Channels per Chip	8
	Polarity	Inverting
	Mounting Type	Surface Mount
	Package Type	TSSOP
	Pin Count	20
	Input Level	CMOS, TTL
	Output Level	CMOS, TTL
	Maximum High Level Output Current	-8mA
	Maximum Low Level Output Current	8mA
	Maximum Propagation Delay Time @ Maximum CL	10.5 ns @ 50 pF
	Length	6.5mm
	Minimum Operating Supply Voltage	4.5 V
	Maximum Operating Supply Voltage	5.5 V
	Minimum Operating Temperature	-40 °C
	Dimensions	6.5 x 4.4 x 1mm
	Width	4.4mm
	Height	1mm
	Automotive Standard	AEC-Q100
	Maximum Operating Temperature	+125 °C
	Propagation Delay Test Condition	50pF

	Select all
	Brand Toshiba
	Logic Family 74VHCT
	Logic Function Bus Transceiver
	Number of Elements per Chip 9
	Number of Channels per Chip 8
	Polarity Inverting
	Mounting Type Surface Mount
	Package Type TSSOP
	Pin Count 20
	Input Level CMOS, TTL
	Output Level CMOS, TTL
	Maximum High Level Output Current -8mA
	Maximum Low Level Output Current 8mA
	Maximum Propagation Delay Time @ Maximum CL 10.5 ns @ 50 pF
	Length 6.5mm
	Minimum Operating Supply Voltage 4.5 V
	Maximum Operating Supply Voltage 5.5 V
	Minimum Operating Temperature -40 °C
	Dimensions 6.5 x 4.4 x 1mm
	Width 4.4mm
	Height 1mm
	Automotive Standard AEC-Q100
	Maximum Operating Temperature +125 °C
	Propagation Delay Test Condition 50pF

The 74VHCT540AFT and 74VHCT541AFT are advanced high speed CMOS OCTAL 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 74VHCT240AFT is an inverting 3-state buffer having two active-low output enables. The 74VHCT244AFT is a non-inverting 3-state buffer, and has two active-low output enables. These devices are designed to be used with 3-state memory address drivers, etc. The input voltage are compatible with TTL output voltage. These devices 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. These 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: tpd = 5.4 ns (typ.) at VCC = 5.0 V
Low power dissipation: ICC = 2.0 μA (max) at Ta = 25 
Compatible with TTL inputs : 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 = 1.0 V (max)
Pin and function compatible with the 74 series (AC/HC/AHC/LV etc.) 245 type

Units	Per Unit	Per Pack*
25 - 600	MYR1.539	MYR38.48
625 - 1225	MYR1.461	MYR36.53
1250 +	MYR1.388	MYR34.70

Toshiba 74VHCT540AFT, 9 Bus Transceiver, 8-Bit Inverting CMOS, TTL, 20-Pin TSSOP

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