> > Doesn't it give '_' on top of the Q-lines? on the 374? > > Why on earth should it say they're active-low when they are NOT? > FYI:- from the 1993 TexasInstruments HC Data book... > 74HC574 | 74HC374 > 1- /OC 20- Vcc | 1- /OC 20- Vcc > 2- 1D 19- 1Q | 2- 1Q 19- 8Q > 3- 2D 18- 2Q | 3- 1D 18- 8D > 4- 3D 17- 3Q | 4- 2D 17- 7D > 5- 4D 16- 4Q | 5- 2Q 16- 7Q > 6- 5D 15- 5Q | 6- 3Q 15- 6Q > 7- 6D 14- 6Q | 7- 3D 14- 6D > 8- 7D 13- 7Q | 8- 4D 13- 5D > 9- 8D 12- 8Q | 9- 4Q 12- 5Q > 10- GND 11- CLK | 10- GND 11- CLK > > Both chips ARE logically and electrically the same, the only differences are > the pinouts with the HC574 being more suitable to attachment to an inline > 8-bit bus PCB layout that is all! If maplins claim they have the same pinouts > then they are wrong!
This is not what MY data book claims. I'm really sure that the lines were the same, BUT the 574 was active low. I'll check again, but...... > | Standard disclaimer: The views of this user are strictly his own. Does this count here too? ;) > > -- ^ One To-day is Worth Two To-morrows (Ben Franklin) ^ | ....or: One To-morrow is Worth a Quarter of One Yester-day... | | Frode Tennebo | email: [EMAIL PROTECTED] | | Parkv. 31, 6400 Molde, NORWAY | http://www.hiMolde.no/~frodet | | Phone: +47 712 57716 | [EMAIL PROTECTED] |
