DM74AS1805 Hex 2-Input NOR Driver

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DM74AS1805 Hex 2-Input NOR Driver

June 2007

DM74AS1805 Hex 2-Input NOR Driver
Features
Switching specifications at 50pF Switching specifications guaranteed over full

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General Description
These devices contain six independent 2-Input drivers each of which performs the logic NOR function. The DM74AS1805 is equivalent to the DM74AS805B but the supply voltage and ground pins are centered in the package. This positioning of the supply voltage and ground pins reduce the lead inductance of these pins. This reduction of lead inductance will minimize noise generated onto either the supply voltage or ground bus which is significant in high current switching applications.

temperature and VCC range
Advanced oxide-isolated, ion-implanted Schottky TTL

process
Centered VCC and GND configuration provides

minimum lead inductance for high current switching applications High capacitive drive capability

Ordering Information
Order Number
DM74AS1805WM

Package Number
M20B

Package Description
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide

Devices also available in Tape and Reel. Specify by appending the suffix letter "X" to the ordering number.

Connection Diagram

Function Table
Y A B

INPUTS A
L L H H

OUTPUT B
L H L H

Y
H L L L

H HIGH Logic Level L LOW Logic Level

1985 Fairchild Semiconductor Corporation DM74AS1805 Rev. 1.3

www.fairchildsemi.com

DM74AS1805 Datasheet Fairchild Download PDF

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DM74AS1805 DATASHEET