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CS212EDWR16 데이터시트 PDF




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부품번호 CS212EDWR16 기능
기능 Security Detector Serial-Addressable Receiver/Transmitter
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CS212EDWR16 데이터시트, 핀배열, 회로
CS212
Security Detector
Serial-Addressable Receiver/Transmitter
Description
Features
The S-ART is a 16 pin circuit
designed for data transmission on a
two-lead cable. The circuit is spe-
cially developed for alarm systems
where it is desired to identify each
detector individually. There can be
up to 30 S-ART circuits/detectors
on the same 2-lead cable. This cable
transmits both DC supply to the
S-ART and information to/from the
S-ART.
The S-ART works on the principle
by which an address is sent on the
line cable and the S-ART which rec-
ognizes the address then carries out
the order which can, in principle, be
two things:
1. Transmit data from the line cable
to the S-ART's two outputs OUT0
and OUT1.
2. Answer the S-ART controller
with the condition of the 2 inputs
IN0 and IN1 or IN2-3.
The line signal is divided into 3 lev-
els in order to give a time signal for
synchronizing and a data signal
containing addresses, orders etc.
Typical signal levels for the three
levels would be 15V, 7.5V and 0V.
s Receives/Transmits Data
on Only Two Leads
s Low Current Consumption
s High Noise Immunity
s Sabotage Surveilled Loop
Input
Block Diagram
A method by
which, in principle,
the system can be
extended to an
infinite number of
S-ART is shown on
the block diagram.
The controller
scans the in/out-
puts of a number
of lines, each with
a maximum of 30
S-ARTs.
Line 1
Controller
Line N
V
CK "1"
DATA "1"
DATA "0"
S-ART
Package Options
16L PDIP & 16L SO Wide
OUT0 1
A4 2
A3 3
A2 4
A1 5
A0 6
IN1 7
IN0 8
16 OUT1
15 DSR
14 IN2
13 IN3
12 VDD
11 DATAOUT
10 Gnd
9 LINE
Rev. 4/21/99
Cherry Semiconductor Corporation
2000 South County Trail, East Greenwich, RI 02818
Tel: (401)885-3600 Fax: (401)885-5786
Web Site: www.cherry-semi.com
1
A Company
¨




CS212EDWR16 pdf, 반도체, 판매, 대치품
Serial-Addressable Receiver Transmitter S-ART
ADDRESS CODING
The circuit is coded on address inputs A0-A4.
In order to reduce the power consumption to the circuits
they are in power down mode for most of the time. Only
when a circuit is addressed is the amount to that particular
circuit increased.
READ
When a S-ART has recognized an address with the correct
parity and then received a READ-order the controller
becomes passive. The S-ART in question will then send
data bits to the controller. These bits are the condition on
the IN0 and IN1 or IN2-3 and a parity bit derived from
them.
The current in inputs IN0 and IN1 only flows when the
S-ART is addressed.
If the sabotage surveilled loop IN2-3 is used IN1 should be
open. IN2-3 is then read instead of IN1.
The loop IN2-3 is checked for both shorting and breaking.
WRITE
When a S-ART has recognized an address with correct par-
ity and a write order, the S-ART in question transmits data
to the outputs OUT0 and OUT1. This data transmission
takes place after a check of the parity bit. If the parity bit is
wrong, data transmission to OUT0 and OUT1 is blocked
and new data transmission can only take place after a read
order which resets the parity fault.
The DSR signal can be used to strobe OUT0 and OUT1 fur-
ther on in the following logic.
DATA FORMAT
The signals are sent out on the line in words organized as
shown in the figure.
The S-ART information consists of two parity bits: an
address parity bit and a data parity bit. Both the address
and data are checked for even parity. The address parity
bit must always be generated by the controller. The data
parity bit during the READ-mode is generated by the
S-ART. During the WRITE-mode the data parity bit is gen-
erated by the controller.
Addresses ADD. Parity Command Data Data Parity
R1
R2 C
Address
Code
Transmission Line
Line
Data
Out
IN0
+IN1
Gnd
Gnd
VDD
+IN2
End of Loop
Circuit
Gnd +IN3
A0
A4 Short Cables
OUT0 OUT1 DSR
+ Indicates IN1 and Loop IN2, IN3 cannot be used at the same time.
Typical S-ART Applications
1) Alarm Detector
Line from Controller
Address Coding
IN0 Tamper Contact
S-ART
Detector
IN1 Alarm Contact
2) Window Foil
Line from Controller
IN2 Foil
S-ART Terminal Lead
Address Coding
IN3
The foil is checked both for shorts and breakage.
3) Alarm Indicator/Data Transmission
Line from Controller
Address Coding
S-ART
Bells
Logic
Lamps etc. Circuit
Functional Description
GENERAL
The CS212 is a peripheral addressable circuit which is used
as a communication link between Detectors/Sensors and a
Central Control Unit.
The communication between the CS212 and a control unit
takes place via a simple 2-wire cable which also provides
power to the IC.
On each 2-wire cable, a maximum of 30 CS212's can be con-
trolled or interrogated with the address binary 0-29. This
permits surveillance of up to 30 window protections, door
contacts, movement detectors, etc. within the same 2-wire
group. Each CS212 can monitor the status of two external
surveillance devices and communicate the status back to
the control unit. Two outputs are also available for control-
ling bells, lights, LED's, door locks, etc. These outputs are
controlled from the control unit via the 2-wire cable.
WIRE TRANSMISSION CABLE (The Line)
The 2-wire bidirectional transmission cable called "The
Line" provides power and data to the CS212 and also pro-
vides data back to the control circuit.
The line signal is rectified and filtered at each CS212 and is
used for the power supply to the chip. The CS212 also
decodes the line signal into clock and data signals used
inside the IC.
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CS212EDWR16 전자부품, 판매, 대치품
Package Specification
PACKAGE DIMENSIONS IN mm (INCHES)
Lead Count
16L PDIP
16L SO Wide
D
Metric
English
Max Min Max Min
19.69 18.67 .775 .735
10.50 10.10 .413 .398
PACKAGE THERMAL DATA
Thermal Data
RQJC
RQJA
typ
typ
16L
PDIP
42
80
16L SO
Wide
23
105
Plastic DIP (N); 300 mil wide
ûC/W
ûC/W
7.11 (.280)
6.10 (.240)
3.68 (.145)
2.92 (.115)
8.26 (.325)
7.62 (.300)
1.77 (.070)
1.14 (.045)
2.54 (.100) BSC
.356 (.014)
.203 (.008)
REF: JEDEC MS-001
0.39 (.015)
MIN.
.558 (.022)
.356 (.014)
D
Some 8 and 16 lead
packages may have
1/2 lead at the end
of the package.
All specs are the same.
Surface Mount Wide Body (DW); 300 mil wide
7.60 (.299)
7.40 (.291)
10.65 (.419)
10.00 (.394)
0.51 (.020)
0.33 (.013)
2.49 (.098)
2.24 (.088)
1.27 (.050) BSC
2.65 (.104)
2.35 (.093)
1.27 (.050) 0.32 (.013)
0.40 (.016) 0.23 (.009)
REF: JEDEC MS-013
Ordering Information
Part Number
CS212EN16
CS212EDW16
CS212EDWR16
Description
16L PDIP
16L SO Wide
16L SO Wide Tape & Reel
Rev. 4/21/99
0.30 (.012)
D
0.10 (.004)
Cherry Semiconductor Corporation reserves the
right to make changes to the specifications without
notice. Please contact Cherry Semiconductor
Corporation for the latest available information.
7 © 1999 Cherry Semiconductor Corporation

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부품번호상세설명 및 기능제조사
CS212EDWR16

Security Detector Serial-Addressable Receiver/Transmitter

Cherry Semiconductor Corporation
Cherry Semiconductor Corporation

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