NJU3712A 데이터 시트보기 (PDF) - Japan Radio Corporation
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NJU3712A Datasheet PDF : 8 Pages
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NJU3712A
8-BIT SERIAL TO PARALLEL CONVERTER
GENERAL DESCRIPTION
The NJU3712A is an 8-bit serial to parallel converter
especially applying to MPU outport expander. It can
operate from 2.4V to 5.5V.
The effective outport assignment of MPU is available
as the connection between NJU3712A 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 NJU3712A outputs the serial data
from SO terminal through the shift register. Therefore, it
connects with other SIPO ICs like as NJU3711A 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.
FEATURES
8-Bit Serial In Parallel Out
Cascade Connection
Hysteresis Input
0.5V typ at 5V
Operating Voltage
2.4 to 5.5V
Maximum Operating Frequency 5MHz and more
Output Current
25mA at 5V, 5mA at 3V
C-MOS Technology
Package Outline
SSOP16
BLOCK DIAGRAM
PACKAGE OUTLINE
NJU3712AV
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
NJU3712AV
VDD
P2
P1
VSS
CLR
STB
CLK
DATA
DATA
P1
P2
CLK
P3
P7
P8
SO
STB
CLR
Controller Circuit
Ver.2003-11-18
-1-
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