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BU2114 Datasheet

  • BU2114

  • 8-bit shift register and latch driver

  • 8頁

  • ROHM

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Standard ICs
8-bit shift register and latch driver
BU2114 / BU2114F
The BU2114 and BU2114F are CMOS ICs with low power consumption, and are equipped with an 8-bit shift register
latch. Data in the shift register can be latched asynchronously. The outputs (O1 to O8) are open drain outputs
(because there is no protection diode, a maximum voltage above V
DD
, of up to 7V, can be applied), and one output
can drive 36 mA. A total output of up to 150 mA can be driven (when using static operation).
鈥?/div>
Applications for a wide range of applications in microcomputer peripheral circuits, such as in industrial equip-
These are designed
ment, office telephones, audio visual equipment, and expansion input and output boards.
鈥?/div>
Features configuration enables low power con-
1) The CMOS
sumption.
2) Open drain output.
3) Latch to 8-bit shift register provided, enabling drive
of up to 150mA. (I
SINK
= 36mA)
4) Cascade connections possible.
鈥?/div>
Absolute maximum ratings (unless otherwise noted, Ta = 25擄C)
Parameter
Applied voltage
Input voltage
Operating temperature
Storage temperature
Input protection diode current
Power dissipation
BU2114
BU2114F
Symbol
V
DD
V
IN
Topr
Tstg
ID
Pd
Limits
鈥?0.3 ~ + 7.0
鈥?0.3 ~ V
DD
0.3
鈥?25 ~ + 75
鈥?55 ~ + 150
鹵
20
1100
鈭?/div>
1
400
鈭?/div>
2
Unit
V
V
擄C
擄C
mA
mW
鈭?/div>
1 Power dissipation is reduced by 8.8mW for each increase in Ta of 1擄C over 25擄C.
鈭?/div>
2 Power dissipation is reduced by 3.2mW for each increase in Ta of 1擄C over 25擄C.
鈥?/div>
Recommended operating conditions (unless otherwise noted, Ta = 25擄C)
Parameter
Recommend voltage
Input voltage
Output voltage
Not designed for radiation resistance.
Symbol
V
DD
V
IN
V
OUT
Min.
4.5
0
0
Typ.
5.0
鈥?/div>
鈥?/div>
Max.
5.5
V
DD
V
DD
Unit
V
V
V
Conditions
SIN, CK, LATCH, EN, RST
SOUT
1

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