HEF4514BD Philips Semiconductors, HEF4514BD Datasheet - Page 2

• Manufacturer Part Number: HEF4514BD
• Description: 1-of-16 decoder/demultiplexer with input latches
• Manufacturer: Philips Semiconductors

Philips Semiconductors
DESCRIPTION
The HEF4514B is a 1-of-16 decoder/demultiplexer, having
four binary weighted address inputs (A
enable input (EL), and an active LOW enable input (E).
The 16 outputs (O
HIGH. When EL is HIGH, the selected output is
determined by the data on A
PINNING
January 1995
A
E
EL
O
0
1-of-16 decoder/demultiplexer with input latches
0
to A
to O
3
15
Fig.2 Pinning diagram.
0
to O
address inputs
enable input (active LOW)
latch enable input
outputs (active HIGH)
15
) are mutually exclusive active
n
. When EL goes LOW, the
0
to A
3
), a latch
Fig.1 Functional diagram.
2
last data present at A
outputs remain stable. When E is LOW, the selected
output, determined by the contents of the latch, is HIGH.
At E HIGH, all outputs are LOW. The enable input (E) does
not affect the state of the latch. When the HEF4514B is
used as a demultiplexer, E is the data input and A
A
APPLICATION INFORMATION
Some examples of applications for the HEF4514B are:
FAMILY DATA, I
See Family Specifications
HEF4514BP(N):
HEF4514BD(F):
HEF4514BT(D):
( ): Package Designator North America
3
Digital multiplexing.
Address decoding.
Hexadecimal/BCD decoding.
are the address inputs.
DD
LIMITS category MSI
n
24-lead DIL; plastic
24-lead DIL; ceramic (cerdip)
24-lead SO; plastic
(SOT101-1)
(SOT94)
(SOT137-1)
are stored in the latches and the
Product specification
HEF4514B
MSI
0
to