Toshiba 74VHCT244AFT, Octal Bus Buffer, 10.5 ns @ 50 pF 8mA, 20-Pin TSSOP

  • RS Stock No. 171-3457
  • Mfr. Part No. 74VHCT244AFT
  • Manufacturer Toshiba
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

The 74VHCT240AFT and 74VHCT244AFT 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 = 6.1 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.) 74 type

Specifications
Attribute Value
Logic Family 74VHCT
Number of Element Inputs 1
Number of Elements per Chip 10
Maximum Propagation Delay Time @ Maximum CL 10.5 ns @ 50 pF
Maximum High Level Output Current -8mA
Maximum Low Level Output Current 8mA
Mounting Type Surface Mount
Package Type TSSOP
Pin Count 20
Dimensions 6.5 x 4.4 x 1mm
Height 1mm
Length 6.5mm
Maximum Operating Supply Voltage 5.5 V
Maximum Operating Temperature +125 °C
Automotive Standard AEC-Q100
Propagation Delay Test Condition 50pF
Minimum Operating Supply Voltage 4.5 V
Minimum Operating Temperature -40 °C
Width 4.4mm
2225 In stock for delivery within 3 working days
Price Each (In a Pack of 25)
SGD 0.383
(exc. GST)
SGD 0.41
(inc. GST)
units
Per unit
Per Pack*
25 - 75
SGD0.383
SGD9.575
100 - 475
SGD0.335
SGD8.375
500 - 975
SGD0.298
SGD7.45
1000 +
SGD0.223
SGD5.575
*price indicative
Packaging Options:
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