BU4094BCF Rohm, BU4094BCF Datasheet

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BU4094BCF

Manufacturer Part Number
BU4094BCF
Description
8-bit compatible shift / store register
Manufacturer
Rohm
Datasheet

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The BU4094BC, BU4094BCF, and BU4094BCFV are shift / store registers, each consisting of an 8-bit register and
an 8-bit latch.
As the data in the shift register can be latched by an asynchronous strobe input, it is possible to hold the output in
the data transfer mode.
The tri-state parallel output can be connected directly with an 8-bit bus line.
These registers are suitable for in-line / parallel data conversion, data receivers and other similar applications.
NC: No Change
CLOCK
Logic circuit diagram
Truth table
8-bit compatible shift / store register
BU4094BC / BU4094BCF / BU4094BCFV
Standard ICs
STROBE
OUTPUT
ENABLE
SERIAL
CLOCK
OUTPUT
ENABLE
IN
H
H
H
H
L
L
Z: High Impedance
Q
1
STROBE
PARALLEL OUTPUTS
SHIFT REGISTER
OUTPUTS
LATCHES
H
H
X
X
X
8-STAGE
L
3-STATE
8-BIT
SERIAL IN
X: Irrelevant
H
X
X
X
X
L
Q
8
Q
Q'
SERIAL
OUTPUT
S
S
Parallel output
NC
NC
Q
H
L
Z
Z
1
Q
Q
NC
NC
Q
Z
Z
n-1
n-1
n
Serial output
Q
Q
Q
Q
NC
NC
Block diagram
Q
7
7
7
7
S
STROBE
SERIAL
CLOCK
Q'
NC
NC
NC
NC
Q
Q
IN
S
S
S
V
Q
Q
Q
Q
SS
1
2
3
4
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
V
OUTPUT
ENABLE
Q
Q
Q
Q
Q'
Q
DD
5
6
7
8
S
S
1

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BU4094BCF Summary of contents

Page 1

... Standard ICs 8-bit compatible shift / store register BU4094BC / BU4094BCF / BU4094BCFV The BU4094BC, BU4094BCF, and BU4094BCFV are shift / store registers, each consisting of an 8-bit register and an 8-bit latch. As the data in the shift register can be latched by an asynchronous strobe input possible to hold the output in the data transfer mode ...

Page 2

... Output high level current OH I Output low level current OL Output high level I DH disable current Output low level I DL disable current I Static current dissipation DD 2 BU4094BC / BU4094BCF / BU4094BCFV Symbol Limits V – 0 1000 (DIP), 500 (SOP) Pd 400 (SSOP) Topr – Tstg – 150 V – 25° ...

Page 3

... W pulse width Maximum clock rise t r (CL (CL) time and fall time Maximum clock f CL frequency Minimum strobe t WH pulse width Input capacitance C IN BU4094BC / BU4094BCF / BU4094BCFV = 0V 25° Min. Typ. Max. Unit — 100 — ns — 50 — ns — 40 — ns — ...

Page 4

... Electrical characteristic curve 1200 DIP16 1000 800 600 SOP16 400 SSOP - B16 200 100 125 AMBIENT TEMPERATURE Fig. 4 Power dissipation vs. ambient temperature 4 BU4094BC / BU4094BCF / BU4094BCFV OUTPUT ENABLE OUTPUT DATA 50pF STROBE P.G. CLOCK GND 50% 50 50% 50 PHL PLH PHZ 90% ...

Page 5

... Standard ICs • External dimensions (Units: mm) BU4094BC 19.4 0 2.54 0.5 0.1 DIP16 BU4094BCFV 5.0 0 0.65 0.22 0.1 SSOP-B16 BU4094BC / BU4094BCF / BU4094BCFV BU4094BCF 7. 0.3Min. 0.1 10.0 0 1.27 0.4 0.1 0.3Min. 0.15 SOP16 5 ...

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