DM74AS805B Hex 2-Input NOR Driver
October 1986
Revised April 2000
DM74AS805B
Hex 2-Input NOR Driver
General Description
These devices contain six independent drivers, each of
which performs the logic NOR function. Each driver has
increased output drive capability to allow the driving of high
capacitive loads.
Features
s
Switching specifications at 50 pF
s
Switching specifications guaranteed over full tempera-
ture and V
CC
range
s
Advanced oxide-isolated, ion-implanted Schottky TTL
process
s
Functionally and pin for pin compatible with advanced
low power Schottky TTL counterpart
Ordering Code:
Order Number
DM74AS805BWM
DM74AS805BN
Package Number
M20B
N20A
Package Description
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter 鈥淴鈥?to the ordering code.
Connection Diagram
Function Table
Y
=
A
+
B
Inputs
A
L
L
H
H
H
=
HIGH Logic Level
L
=
LOW Logic Level
Output
B
L
H
L
H
Y
H
L
L
L
漏 2000 Fairchild Semiconductor Corporation
DS006327
www.fairchildsemi.com