Toshiba 74VHC244FT Quad Bus Buffer, 20-Pin TSSOP
- RS庫存編號:
- 171-3513
- 製造零件編號:
- 74VHC244FT
- 製造商:
- Toshiba
此產品已停售
- RS庫存編號:
- 171-3513
- 製造零件編號:
- 74VHC244FT
- 製造商:
- Toshiba
The 74VHC240FT and 74VHC244FT 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 74VHC240FT is an inverting 3-state buffer having two active-low output enables. The 74VHC244FT 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. An input protection circuit ensures that 0 to 5.5 V can be applied to the input pins without regard to the supply voltage. This device can be used to interface 5 V to 3 V systems and two supply systems such as battery back up. This circuit prevents device destruction due to mismatched supply and input voltages.
Wide operating temperature range: Topr = -40 to 125
High speed: tpd = 3.9 ns (typ.) at VCC = 5 V
Low power dissipation: ICC = 4.0 μA (max) at Ta = 25
High noise immunity: VNIH = VNIL = 28 % VCC (min)
Power down protection is provided on all inputs.
Balanced propagation delays: tPLH ≈ tPHL
Wide operating voltage range: VCC(opr) = 2.0 V to 5.5 V
Low noise: VOLP = 0.8 V (max)
Pin and function compatible with the 74 series (AC/HC/AHC/LV etc.) 240 or 244 type
High speed: tpd = 3.9 ns (typ.) at VCC = 5 V
Low power dissipation: ICC = 4.0 μA (max) at Ta = 25
High noise immunity: VNIH = VNIL = 28 % VCC (min)
Power down protection is provided on all inputs.
Balanced propagation delays: tPLH ≈ tPHL
Wide operating voltage range: VCC(opr) = 2.0 V to 5.5 V
Low noise: VOLP = 0.8 V (max)
Pin and function compatible with the 74 series (AC/HC/AHC/LV etc.) 240 or 244 type
Attribute | Value |
---|---|
Logic Family | 74VHC |
Mounting Type | Surface Mount |
Package Type | TSSOP |
Pin Count | 20 |
Maximum High Level Output Current | -8mA |
Maximum Low Level Output Current | 8mA |
Maximum Propagation Delay Time @ Maximum CL | 15 ns @ 50 pF |
Maximum Operating Supply Voltage | 5.5 V |
Dimensions | 6.5 x 4.4 x 1mm |
Width | 4.4mm |
Height | 1mm |
Minimum Operating Supply Voltage | 2 V |
Minimum Operating Temperature | -40 °C |
Propagation Delay Test Condition | 50pF |
Automotive Standard | AEC-Q100 |
Maximum Operating Temperature | +125 °C |
Length | 6.5mm |