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: Specifications
Manufacturer : Texas Instruments ▉
Product Category : Buffers & Line Drivers ▉
Number of Input Lines : 8 Input ▉
Number of Output Lines :8 Output ▉
Polarity : Inverting ▉
High Level Output Current : - 6 mA ▉
Low Level Output Current : 6 mA ▉
Quiescent Current : 8 uA ▉
Supply Voltage - Max : 5.5 V ▉
Supply Voltage - Min : 4.5 V ▉
Operating Supply Current : 80 uA ▉
Minimum Operating Temperature : - 40 C ▉
Maximum Operating Temperature : + 85 C ▉
Mounting Style : SMD/SMT ▉
Package / Case : SOIC-20 ▉
Packaging : Tube ▉
Brand : Texas Instruments ▉
Function : Buffer/Line Driver ▉
Height : 2.35 mm ▉
Input Signal Type : Single-Ended ▉
Length :12.8 mm ▉
Logic Family : HCT ▉
Propagation Delay Time : 42 ns at 4.5 V, 38 ns at 5.5 V ▉
Factory Pack Quantity : 675 ▉
Subcategory : Logic ICs ▉
Supply Current - Max : 8 uA ▉
Technology : CMOS ▉
Width : 7.52 mm ▉
Unit Weight : 0.017662 oz ▉
: Features
Operating voltage range of 4.5 V to 5.5 V ▉
High-current outputs drive up to 15 LSTTL loads ▉
Low power consumption, 80-μA max ICC ▉
Typical tpd = 12 ns ▉
±6mA output drive at 5 V ▉
Low input current of 1 μA max ▉
Inputs are TTL-voltage compatible ▉
3state outputs drive bus lines or buffer memory address registers ▉
: Description
These octal buffers and line drivers are designed specifically to improve both the performance and
density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters
The ’HCT240 devices are organized as two 4-bit buffers/drivers with separate output-enable (OE) inputs
When OE is low, the device passes inverted data from the A inputs to the Y outputs
.When OE is high, the outputs are in the high-impedance state
: Data Sheet