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Renesas Electronics Components Datasheet

ASI4U-F Datasheet

Universal AS-i

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AS-Interface Spec. V3.0
Compliant Universal AS-i IC
ASI4U /
ASI4U-E /
ASI4U-F
Datasheet
Brief Description
The ASI4U is a next-generation CMOS integrated
circuit for AS-i networks. This low-level field bus AS-i
(Actuator Sensor Interface) was designed for easy,
safe, and cost-effective interconnection of sensors,
actuators, and switches. It transports both power
and data over the same two-wire unshielded cable.
The ASI4U is used as part of a master or slave node
and functions as an interface to the physical bus. It
provides the power supply, physical data transfer,
and communication protocol handling. The ASI4U is
fully compliant with the AS-Interface Complete
Specification V3.0. It is function and pin compatible
with the A²SI IC.
All configuration data are stored in an internal
EEPROM that can be easily programmed by a
stationary or handheld programming device. The
special AS-i safety option assures short response
times for security-related events.
Features
Compliant with AS-Interface Complete Specifica-
tion V3.0
Universal application: slaves, masters, repeaters,
and bus-monitors
Floating AS-i transmitter and receiver for highly
symmetrical high-power applications
On-chip electronic inductor with current drive
capability of 55 mA
Two configurable LED outputs to support all
AS-Interface Complete Specification V3.0 status
indication modes
Several data pre-processing functions, including
configurable data input filters and bit-selective
data inverting
Additional addressing channel for easy wireless
module setup
Support of 8 and 16 MHz crystals by automatic
frequency detection
Special AS-i safety option
Clock watchdog for high system security
Related Products
SAP5 Universal AS-Interface IC
Benefits
Flexible, separated I/O pins
Flexible AS-i Bus adoption (isolated transceiver)
Very small package SSOP28 (ASI4U and ASI4U-F)
High ambient temperature applications (ASI4U-E)
Physical Characteristics
ASI4U operational temperature: -25 to +85 °C
ASI4U-F operational temperature: -40 to +85 °C
ASI4U-E operational temperature: -25 to +105 °C
RoHS-conformant package: SSOP28 (ASI4U and
ASI4U-F) / SOP28 (ASI4U-E)
Available Support
IDT AS-Interface Programmer Kit V2.0
IDT ASI4U Evaluation Board V2.0
ASI4U Basic Application Circuits
Standard Application
UIN
OSC1
UOUT
FID
DSR
+24V
PST
OSC2
ASI+
ASIP
DI[3:0]
DO[3:0]
ASI4U
ASI-
ASIN
P[3:0]
CAP
U5R
LED1
LED2
0V
IRD
GND
+0V
Extended Power Application with IR-Addressing Option
+24V
UIN
OSC1
UOUT
FID
DSR
PST
OSC2
ASI+
ASIP
DI[3:0]
DO[3:0]
ASI4U
ASI-
ASIN
P[3:0]
CAP
U5R
LED1
LED2
0V
IRD
GND
+0V
© 2016 Integrated Device Technology, Inc.
1
January 26, 2016


Renesas Electronics Components Datasheet

ASI4U-F Datasheet

Universal AS-i

No Preview Available !

AS-Interface Spec. V3.0
Compliant Universal AS-i IC
ASI4U /
ASI4U-E /
ASI4U-F
Datasheet
ASI4U Block Diagram
Typical Applications
AS-i Master Modules
AS-i Slave Modules
AS-i Safety Modules
UIN
UOUT
U5R
OSC1 OSC2
CAP
ELECTRONIC
INDUCTOR
POWER
SUPPLY
OSCILLATOR
OUTPUT
STAGE
DO(3:0)
ASI4U/ASI4U-E/ASI4U-F
INPUT
STAGE
ASIP
ASIN
THERMAL /
OVERLOAD
PROTECTION
RECEIVE
P - PULSE
N - PULSE
I/O
RESET STAGE
REC- RESET
TRANSMIT
SEND -D
SEND- SBY
DIGITAL
LOGIC
DATA- STRB
PARAM OUTPUT
STRB STAGE
OVER- LOAD
INPUT
STAGE
OVER- HEAT
IRD_IN
CMOS AC
INPUT CURRENT
STAGE INPUT
OUTPUT
STAGE
DIG ANA
INPUT
STAGE
OUTPUT
STAGE
DI(3:0)
DSR
PST
P(3:0)
AGND
LGND
0V
GND
IRD
LED1 LED2 FID
Ordering Information
Ordering Code
Type
ASI4UE-G1-ST
ASI4UE-G1-SR
ASI4UE-G1-SR-7
ASI4UE-G1-MT
ASI4UE-G1-MR
ASI4UE-E-G1-ST
ASI4UE-E-G1-SR
ASI4UE-F-G1-ST
ASI4UE-F-G1-SR
Standard
Standard
Standard
Master
Master
Standard
Standard
Standard
Standard
Package
SSOP28
SSOP28
SSOP28
SSOP28
SSOP28
SOP28
SOP28
SSOP28
SSOP28
Ta [°C]
-25 to 85
-25 to 85
-25 to 85
-25 to 85
-25 to 85
-25 to 105
-25 to 105
-40 to 85
-40 to 85
RoHS
Conform
Y
Y
Y
Y
Y
Y
Y
Y
Y
Packaging
Tube (47 parts/tube)
Tape & Reel (1500 parts/reel)
Tape & Reel 7” (500 parts/reel)
Tube (47 parts/tube)
Tape & Reel (1500 parts/reel)
Tube (27 parts/tube)
Tape & Reel (1000 parts/reel)
Tube (47 parts/tube)
Tape & Reel (1500 parts/reel)
Minimum
Order
470
1500
500
470
1500
270
1000
470
1500
© 2016 Integrated Device Technology, Inc.
2
January 26, 2016



Part Number ASI4U-F
Description Universal AS-i
Maker Renesas
Total Page 3 Pages
PDF Download

ASI4U-F Datasheet PDF





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