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HCF4094
8-stage shift and store bus register with 3-stage outputs
Datasheet - production data
Applications
 Automotive
 Industrial
SO-16
 Computer
 Consumer
Features
 3- state parallel outputs for connection to
common bus
 Separate serial outputs synchronous to both
positive and negative clock edges for
cascading
 Medium speed operation 5 MHz at 10 V
 Quiescent current specified up to 20 V
 Standardized symmetrical output
characteristics
 5 V, 10 V, and 15 V parametric ratings
 Input leakage current II = 100 nA (max.) at
VDD = 18 V, TA = 25 C
 100% tested for quiescent current
 ESD performance
– HBM: 1 kV
– MM: 200 V
– CDM: 1 kV
Description
The HCF4094 is a monolithic integrated circuit
fabricated in metal oxide semiconductor
technology available in an SO-16 package. The
HCF4094 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. The parallel outputs may
be connected directly to common bus lines. Data
are shifted on positive clock transition. The data in
each shift register stage are transferred to the
storage register when the STROBE input is high.
Data in the storage register appear at the outputs
whenever the OUTPUT-ENABLE signal is high.
Two serial outputs are available for cascading a
number of HCF4094 devices. Data are available
at the QS serial output terminal on positive clock
edges to allow for high speed operation in a
cascaded system in which the clock rise time is
fast. The same serial information, available at the
Q’S terminal on the next negative clock edge,
provides a means for cascading HCF4094
devices when the clock rise time is slow.
Table 1. Device summary table
Order code
Temperature range
Package
HCF4094M013TR
-55 ° C to +125 ° C
SO-16
HCF4094YM013TR(1)
-40 ° C to +125 ° C
SO-16
(automotive grade)(1)
Packing
Marking
HCF4094
Tape & reel
HCF4094Y
1. Qualification and characterization according to AEC Q100 and Q003 or equivalent, advanced screening according to AEC
Q001 and Q002 or equivalent.
January 2014
This is information on a product in full production.
DocID002069 Rev 5
1/17
www.st.com
Contents
HCF4094
Contents
1
Pin information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2
Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4
Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5
Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
6
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2/17
DocID002069 Rev 5
HCF4094
1
Pin information
Pin information
Figure 1. Pin connections (top view)
6752%(


9''
'$7$