INTEGRATED CIRCUITS
DATA SH EET
For a complete data sheet, please also download:
•The IC04 LOCMOS HE4000B Logic
Family Specifications HEF, HEC
•The IC04 LOCMOS HE4000B Logic
Package Outlines/Information HEF, HEC
HEF4094B
MSI
8-stage shift-and-store bus register
Product specification
File under Integrated Circuits, IC04
January 1995
Philips Semiconductors Product specification
8-stage shift-and-store bus register
DESCRIPTION
The HEF4094B is an 8-stage serial shift register having a
storage latch associated with each stage for strobing data
from the serial input to parallel buffered 3-state outputs
O0to O7. The parallel outputs may be connected directly
to common bus lines. Data is shifted on positive-going
clock transitions. The data in each shift register stage is
transferred to the storage register when the strobe (STR)
input is HIGH. Data in the storage register appears at the
outputs whenever the output enable (EO) signal is HIGH.
HEF4094B
MSI
Two serial outputs (O
a number of HEF4094B devices. Data is available at Oson
positive-going clock edges to allow high-speed operation
in cascaded systems in which the clock rise time is fast.
The same serial information is available at O’son the next
negative-going clock edge and provides cascading
HEF4094B devices when the clock rise time is slow.
and O’s) are available for cascading
s
Fig.1 Functional diagram.
Fig.2 Pinning diagram.
HEF4094BP(N): 16-lead DIL; plastic
(SOT38-1)
HEF4094BD(F): 16-lead DIL; ceramic (cerdip)
(SOT74)
HEF4094BT(D): 16-lead SO; plastic
(SOT109-1)
( ): Package Designator North America
PINNING
D data input EO output enable input
CP clock input O
STR strobe input O
FAMILY DATA, IDDLIMITS category MSI
See Family Specifications
, O’
s
to O7parallel outputs
0
serial outputs
s
January 1995 2
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January 1995 3
Philips Semiconductors Product specification
8-stage shift-and-store bus register
Fig.3 Logic diagram.
Fig.4 One D-latch.
HEF4094B
MSI