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PDF NJU3712A Data sheet ( Hoja de datos )
| Número de pieza | NJU3712A | |
| Descripción | 8-Output / SSOP16 | |
| Fabricantes | JRC | |
| Logotipo |  |
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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
P4 2
P5 3
VSS 4
P6 5
P7 6
P8 7
SO 8
16
15
14
13
12
11
10
9
NJU3712AV
VDD
P2
P1
VSS
CLR
STB
CLK
DATA
DATA
CLK
P1
P2
P3
STB
CLR
Controller Circuit
P7
P8
SO
Ver.2003-11-18
-1-
1 page  
www.DataSheet4U.com
NJNUJ3U731525A5
ABSOLUTE MAXIMUM RATINGS
(Ta=25°C)
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage Range
VDD
-0.5 ~ +7.0
V
Input Voltage Range
VI
VSS-0.5 ~ VDD+0.5
V
Output Voltage Range
VO
VSS-0.5 ~ VDD+0.5
V
Output Current
Output Short Current
(SO Terminal)
(Note 5)
Output Short Current
(P1~P8 Terminals)
(Note 5)
IO
IOS
IOSD
±25
VO=7V, VI=0V
VO=0V, VI=7V
VO=7V, VI=0V
VO=0V, VI=7V
10 (max)
-10 (max)
20 (max)
-20 (max)
mA
mA
mA
Power Dissipation
PD
300 (SSOP)
mW
Operating Temperature Range Topr
-25 ~ +85
°C
Storage Temperature Range
Tstg
-65 ~+150
°C
Note 2) All voltage are relative to VSS=0V reference.
Note 3) Do not exceed the absolute maximum ratings, otherwise the stress may cause a permanent damage to the IC. It is also
recommended that the IC be used in the range specified in the DC electrical characteristics, or the electrical stress may cause
malfunctions and impact on the reliability.
Note 4) To stabilize the IC operation, place decoupling capacitor between VDD and VSS.
Note 5) VDD=7V, VSS=0V, less than 1 second per pin.
DC ELECTRICAL CHARACTERISTICS
PARAMETER
Operating Voltage
SYMBOL
VDD
(VDD=2.4~5.5V, VSS=0V, Ta=25°C, unless otherwise noted)
CONDITION
MIN TYP MAX UNIT
2.4 - 5.5 V
Operating Current
IDDS
VIH=VDD, VIL=VSS
- - 0.1 mA
High-level Output Voltage
Low-level Output Voltage
VOH IOH=-0.4mA
VOL IOL=+3.2mA
SO
Terminal
VDD-0.4
VSS
-
-
VDD
V
0.4 V
High-level Input Voltage
VIH
0.7VDD
-
VDD
V
Low-level Input Voltage
VIL
VSS
-
0.3VDD
V
Input Leakage Current
ILI VI=0~VDD
-10 -
10 µA
IOH=-25mA
VDD-1.5
-
VDD
High-level Output Voltage
(Note 6)
VOHD
VDD=5V IOH=-15mA
IOH=-10mA
P1~P8
Terminals
VDD-1.0
VDD-0.5
-
-
VDD
VDD
V
VDD=3V IOH=-5mA
VDD-0.5
-
VDD
IOL=+25mA
VSS - 1.5
Low-level Output Voltage
(Note 6)
VOLD
VDD=5V IOL=+15mA P1~P8
IOL=+10mA Terminals
VSS
VSS
-
-
0.8
V
0.4
VDD=3V IOL=+5mA
VSS - 0.5
Note 6) Specified value represent output current per pin. When use, total current consideration and less than power dissipation in rating
operation should be required.
Ver.2003-11-18
-5-
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet NJU3712A.PDF ] | |
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