U6057B TEMIC Semiconductors, U6057B Datasheet

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U6057B

Manufacturer Part Number
U6057B
Description
Receiver for Point-to-Point Multiplex Systems
Manufacturer
TEMIC Semiconductors
Datasheet
TELEFUNKEN Semiconductors
Rev. A1, 03-Dec-97
Receiver for Point-to-Point Multiplex Systems
Description
Local, low speed multiplex systems reduce the amount of
wires and connectors, save costs and weight and increase
the safety in automotive and industrial applications. The
U6057B is an ideal receiver for an 8-bit data word with
Features
D
D
D
Ordering Information
OSC
P/S
DIN
CLK
CO
DI
PP
Only a single data line is necessary
Quadruple comparison of the data signal for high
transmission safety
Minimum of peripherals
Extended Type Number
14 V
U6057B–FL
Clock output
1. or 2. byte
Oscillator
Operating
V
2
S
mode
V
S
Stabilization POR
V
Buffer 8 bit
Serial
Start pulse
Data decoding
detection
Stab
Preliminary Information
Data end detection
S
Parallel
Frequency divider
Overflow store 8 bit
P
Figure 1. Block diagram
V
Package
S
SO20
14 V
simple protocol of a fixed length. It checks the correct
data transmission and provides the data word in an 8-bit
shift register for a microcontroller.
D
D
D
D
8-bit shift register
Sequence
detection
Output memory
control
Master/slave operation
Wide supply-voltage range
According to VDE 0839
Load-dump protected
Safety condition
Synchronization
Comparison
4-stage
counter
Remarks
U6057B
DOUT
SYN
GND
4/2
1 (9)
13273

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U6057B Summary of contents

Page 1

... Receiver for Point-to-Point Multiplex Systems Description Local, low speed multiplex systems reduce the amount of wires and connectors, save costs and weight and increase the safety in automotive and industrial applications. The U6057B is an ideal receiver for an 8-bit data word with Features D Only a single data line is necessary D ...

Page 2

... Stabilized voltage stab 20 V Supply voltage S Functional Description Power Supply For protection against interference and surges, the U6057B must be equipped with an RC-circuit for current limitation in the event of overvoltages and for buffering in the event of voltage dips Suggested dimensions 510 , C V (see figure integrated 14-V Z-diode is located between V GND ...

Page 3

... Input P/S must be in high potential. Synchronization Proper data transfer requires a synchronization between the internal data processing and the microcontroller’s read-out frequency. The U6057B provides a synchronization pulse (Pin SYN 1/f which triggers the microcontroller to OSC read-out data in the following time window of typically ...

Page 4

... The 16-bit data word can be read-out seri- ally via DOUT in one operation (see figure 6 ) SLAVE D Combinations with U6052B and U6057B (see fig- ure 7) Loading and Reading-out the Shift Register Loading and reading-out of data from the shift register is controlled by the three inputs DIN, CLK and P/S. ...

Page 5

... Figure 5. Master – slave operation, read-out bit, supplied with 12-V battery C OSC 100 R OSC U6057B P/S CLK DOUT Processor Figure 6. Master – slave operation, read-out bit, supplied with stabilized 5 V TELEFUNKEN Semiconductors Rev. A1, 03-Dec-97 Preliminary Information Data input SYN Data input SYN U6057B U6057B SYN 13276 U6057B SYN 13277 5 (9) ...

Page 6

... U6057B Absolute Maximum Ratings Receiver with recommended circuitry Parameters Supply voltage (static) Power dissipation amb Junction temperature Storage temperature range Ambient temperature range Thermal Resistance Parameters Junction ambient SO20 Electrical Characteristics reference point = GND Batt amb Receiver with recommended circuitry ...

Page 7

... OSC V DI – ZDI R 0.1 DI–EXT V PPtl V PPth V PPO – –I 110 CO V CO–open SYN I SYN I LSYN stab rSYN stab fSYN U6057B Typ. Max. Unit 0 200 ns W 2.0 2.4 k 1 1.0 A 24.8 40.0 kHz 100 0.50 ...

Page 8

... U6057B Package Information Package SO20 Dimensions in mm 12.95 12.70 0.4 1.27 11. (9) Preliminary Information 9.15 8.65 7.5 7.3 2.35 0.25 0.10 10.50 10.20 11 technical drawings according to DIN specifications 10 TELEFUNKEN Semiconductors 0.25 13038 Rev. A1, 03-Dec-97 ...

Page 9

... TEMIC against all claims, costs, damages, and expenses, arising out of, directly or indirectly, any claim of personal damage, injury or death associated with such unintended or TEMIC TELEFUNKEN microelectronic GmbH, P.O.B. 3535, D-74025 Heilbronn, Germany Telephone 7131 67 2831, Fax number 7131 67 2423 TELEFUNKEN Semiconductors Rev. A1, 03-Dec-97 Preliminary Information unauthorized use. U6057B 9 (9) ...

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