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UCD4021BL-P16-R Datasheet(PDF) 1 Page - Unisonic Technologies

Part # UCD4021BL-P16-R
Description  CMOS 8-STAGE STATIC SHIFT REGISTERS
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

UCD4021BL-P16-R Datasheet(HTML) 1 Page - Unisonic Technologies

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UNISONIC TECHNOLOGIES CO., LTD
UCD4021B
Preliminary
CMOS IC
www.unisonic.com.tw
1 of 10
Copyright © 2013 Unisonic Technologies Co., Ltd
QW-R502-889.b
CMOS 8-STAGE STATIC
SHIFT REGISTERS
DESCRIPTION
The UCD4021B is a 8-stage synchronous parallel or serial
input/serial
output
registers
having
common
CLOCK
and
PARALLEL/SERIAL CONTROL inputs, a SERIAL data input, and
individual parallel inputs to each register stage. Each register is a
D-type, master-slave flip-flop. Q6, Q7, and Q8 are outputs. In
UCD4021B
serial entry is synchronous with the clock but parallel
entry is asynchronous.
In UCD4021B serial entry is controlled by the PARALLEL/SERIAL
CONTROL input. When the PARALLEL/SERIAL CONTROL input is
low, data is serially shifted into the 8-stage register synchronously with
the positive transition of the clock line. When the PARALLEL/SERIAL
CONTROL input is high, asynchronous parallel entry is made and the
CLOCK input of the internal stage is isolated.
FEATURES
* Up to 20V operation voltage
* 12MHz (Typ.) clock rate at 10V
* Maximum input current of 1μA at 18V
* Fully static operation
* 8 master-slave flip-flops plus output buffering and control gating
APPLICATIONS
* General-purpose register
* Parallel input/serial output data queueing
* Parallel to serial data conversion
ORDERING INFORMATION
Ordering Number
Package
Packing
Lead Free
Halogen Free
UCD4021BL-S16-R
UCD4021BG-S16-R
SOP-16
Tape Reel
UCD4021BL-S16-T
UCD4021BG-S16-T
SOP-16
Tube
UCD4021BL-P16-R
UCD4021BG-P16-R
TSSOP-16
Tape Reel
UCD4021BL-P16-T
UCD4021BG-P16-T
TSSOP-16
Tube


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