Ordering Information
Part Name
Package Type
Package Code (Previous Code)
Package Abbreviation
HD74LS640P
DILP-20 pin
PRDP0020AC-B (DP-20NEV)
P
HD74LS640FPEL SOP-20 pin (JEITA)
PRSP0020DD-B (FP-20DAV)
FP
Note: Please consult the sales office for the above package availability. Taping Abbreviation (Quantity).
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HD74LS640
Octal Bus Transceivers (inverted 3-state outputs)
REJ03D0487–0200 Rev.2.00
Feb.18.2005
This octal bus transceivers is designed for asynchronous two-way communication between data buses. The device transmit data from the A bus to the B bus or from the B bus to the A bus depending upon the level at the direction control (DIR) input. The enable input (G) can be used to disable the device so that the buses are effectively isolated.
Features
• Ordering Information
Part Name
Package Type
Package Code (Previous Code)
Package Abbreviation
HD74LS640P
DILP-20 pin
PRDP0020AC-B (DP-20NEV)
P
HD74LS640FPEL SOP-20 pin (JEITA)
PRSP0020DD-B (FP-20DAV)
FP
Note: Please consult the sales office for the above package availability.
HD74LS640 Datasheet
