SN74AC240NSR SN74AC240PWR SN74AC241PWR SN74AC241NSR Programmable Logic ICS Buffers & Line Drivers Octal Buffer/Driver
logic integrated circuits
,programmable logic array ic
SN74AC240NSR SN74AC240PWR SN74AC241PWR SN74AC241NSR Programmable Logic ICS Buffers & Line Drivers Octal Buffer/Driver
Feature
D 2-V to 6-V VCC Operation
D Inputs Accept Voltages to 6 V
D Max tpd of 6.5 ns at 5 V
Description/ordering information
These octal buffers and line drivers are designed specifically to improve the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters.
The ’AC240 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.
To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
ORDERING INFORMATION
|
TA |
PACKAGE† |
ORDERABLE PART NUMBER |
TOP-SIDE MARKING |
|
|
−40°C to 85°C |
PDIP − N |
Tube |
SN74AC240N |
SN74AC240N |
|
SOIC − DW |
Tube |
SN74AC240DW |
AC240 |
|
|
Tape and reel |
SN74AC240DWR |
|||
|
SOP − NS |
Tape and reel |
SN74AC240NSR |
AC240 |
|
|
SSOP − DB |
Tape and reel |
SN74AC240DBR |
AC240 |
|
|
TSSOP − PW |
Tube |
SN74AC240PW |
AC240 |
|
|
Tape and reel |
SN74AC240PWR |
|||
|
−55°C to 125°C |
CDIP − J |
Tube |
SNJ54AC240J |
SNJ54AC240J |
|
CFP − W |
Tube |
SNJ54AC240W |
SNJ54AC240W |
|
|
LCCC − FK |
Tube |
SNJ54AC240FK |
SNJ54AC240FK |
|
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