- RS Stock No.:
- 171-3386
- Mfr. Part No.:
- 74HC240D
- Manufacturer:
- Toshiba
Discontinued product
- RS Stock No.:
- 171-3386
- Mfr. Part No.:
- 74HC240D
- Manufacturer:
- Toshiba
Technical data sheets
Legislation and Compliance
Product Details
The 74HC240D and 74HC244D are high speed CMOS OCTAL BUS BUFFERs fabricated with silicon gate C2MOS technology. They achieve the high speed operation similar to equivalent LSTTL while maintaining the CMOS low power dissipation. The 74HC240D is an inverting 3-state buffer and the 74HC244D are non-inverting 3-state buffers having two active-low output enables. These devices are designed to be used with 3-state memory address drivers, etc. All inputs are equipped with protection circuits against static discharge or transient excess voltage
High speed: tpd = 10 ns (typ.) at VCC = 6.0 V
Low power dissipation: ICC = 4.0 μA (max) at Ta = 25
Balanced propagation delays: tPLH ≈ tPHL
Wide operating voltage range: VCC(opr) = 2.0 V to 6.0 V
Low power dissipation: ICC = 4.0 μA (max) at Ta = 25
Balanced propagation delays: tPLH ≈ tPHL
Wide operating voltage range: VCC(opr) = 2.0 V to 6.0 V
Specifications
Attribute | Value |
---|---|
Logic Family | 74HC |
Mounting Type | Surface Mount |
Package Type | SOIC |
Pin Count | 20 |
Maximum High Level Output Current | -7.8mA |
Maximum Low Level Output Current | 7.8mA |
Maximum Propagation Delay Time @ Maximum CL | 165 ns @ 150 pF |
Dimensions | 13.1 x 7.5 x 2.25mm |
Maximum Operating Supply Voltage | 6 V |
Height | 2.25mm |
Width | 7.5mm |
Minimum Operating Temperature | -40 °C |
Minimum Operating Supply Voltage | 2 V |
Maximum Operating Temperature | +85 °C |
Length | 13.1mm |
Propagation Delay Test Condition | 150pF |