HEF4085BD Philips Semiconductors, HEF4085BD Datasheet - Page 2

• Manufacturer Part Number: HEF4085BD
• Description: Dual 2-wide 2-input AND-OR-invert gate
• Manufacturer: Philips Semiconductors

Philips Semiconductors
DESCRIPTION
The HEF4085B is a dual 2-wide 2-input AND-OR-invert
gate, each with an additional input (A
used as either an expander input or an inhibit input. A
HIGH on A
independent of the other inputs (A
outputs O
immunity and pattern insensitivity of output impedance.
January 1995
Dual 2-wide 2-input AND-OR-invert gate
A
4
and O
or B
Fig.1 Functional diagram.
4
B
forces the output (O
are fully buffered for highest noise
Fig.3 Logic diagram (one gate).
0
to A
4
or B
A
3
or O
or B
4
) which can be
B
0
) LOW
to B
3
). The
2
HEF4085BP(N): 14-lead DIL; plastic
HEF4085BD(F): 14-lead DIL; ceramic (cerdip)
HEF4085BT(D): 14-lead SO; plastic
( ): Package Designator North America
LOGIC FUNCTION
FAMILY DATA,
I
See Family Specifications
DD
O
O
A
B
Fig.2 Pinning diagram.
LIMITS category GATES
=
=
(SOT27-1)
(SOT73)
(SOT108-1)
A
B
0
0
A
B
1
1
+
+
A
B
2
2
A
Product specification
B
3
3
+
+
HEF4085B
A
B
4
4
gates