HD74LS642P
Features
- Ordering Information
Part Name
Package Type
Package Code (Previous Code)
Package Abbreviation
DILP-20 pin
PRDP0020AC-B (DP-20NEV)
PRSP0020DD-B
HD74LS642FPEL SOP-20 pin (JEITA)
(FP-20DAV)
Note: Please consult the sales office for the above package availability.
Taping Abbreviation (Quantity)
- EL (2,000 pcs/reel)
Pin Arrangement
DIR 1 1A 2 2A 3 3A 4 4A 5 5A 6 6A 7 7A 8 8A 9 GND 10
20 VCC 19 Enable G 18 1B 17 2B 16 3B 15 4B 14 5B 13 6B 12 7B 11 8B
(Top view)
Rev.2.00, Feb.18.2005, page 1 of 6
HD74LS642
Function Table
Note:
Enable G L L H
H; high level, L; low level, X; irrelevant
Direction Control DIR L H X
Operation
B data to A bus A data to B bus
Isolation
Block Diagram
Enable G
Transceiver (1/8)
Direction Control DIR
Absolute Maximum Ratings
Item
Symbol
Ratings...
