NJU3712D 데이터 시트보기 (PDF) - Japan Radio Corporation
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NJU3712D Datasheet PDF : 8 Pages
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NJU3712
8-BIT SERIAL TO PARALLEL CONVERTER
GENERAL DESCRIPTION
The NJU3712 is an 8-bit serial to parallel converter
especially applying to MPU outport expander. It can
operate from 4.5V to 5.5V.
The effective outport assignment of MPU is available
as the connection between NJU3712 and MPU using
only 4 lines.
The serial data synchronizing with 5MHz or more
clock can be input to the serial data input terminal and
the data are output from parallel output buffer through
serial in parallel out shift register and parallel data
latches.
Furthermore, the NJU3712 outputs the serial data
from SO terminal through the shift register. Therefore, it
connects with other SIPO ICs like as NJU3711 in
cascade for expanding the parallel conversion outputs.
The hysteresis input circuit realizes wide noise
margin and the high drive-ability output buffer (25mA)
can drive LED directly.
PACKAGE OUTLINE
NJU3712D
FEATURES
8-Bit Serial In Parallel Out
Cascade Connection
Hysteresis Input
0.5V typ
Operating Voltage
4.5 to 5.5V
Maximum Operating Frequency 5MHz
Output Current
25mA
C-MOS Technology
Package Outline
DIP16 / DMP16
BLOCK DIAGRAM
PIN CONFIGURATION
P3
1
16
P4
2
15
P5
3
14
VSS
4
13
P6
5
12
P7
6
11
P8
7
10
SO
8
9
NJU3712D/M
NJU3712M
VDD
P2
P1
VSS
CLR
STB
CLK
DATA
DATA
P1
P2
CLK
P3
P7
P8
SO
STB
CLR
Controller Circuit
Ver.2017-12-07
-1-
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