toim3000 Vishay, toim3000 Datasheet

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toim3000

Manufacturer Part Number
toim3000
Description
Integrated Interface Circuits
Manufacturer
Vishay
Datasheet

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Integrated Interface Circuits
ULC Technology:
High-performance gate array package using dual metal layer CMOS technology,
featuring sub-micron channel length (0.8
Description
The TOIM300 IC provides the proper timing for the
front-end infrared transceivers of the 3000- and
4000-series, as specified by the IrDA standard. In the
transmit mode, the TOIM3xxx provides IrDA compat-
ible pulse shaping of the electrical pulses to the
infrared transceiver. In the receive mode, the
TOIM3000 stretches the received infrared pulses to
the proper bit width at the operating bit rate. The IrDA
bit rate varies between 2.4 kbit/s to 115.2 kbit/s.
Features
D
D
Block Diagram
Document Number 82520
Rev. 1, 01-Apr-99
Pulse shaping function (shortening and stretching)
used in infrared IrDA standard applications
Directly interfaces the infrared transceivers of the
3000 and 4000 series to a UART or a micro–
controller
TD_UART
RD_UART
B_CLK
RESET
XIN
m
m)
Figure 1. Block diagram
V
shaper
CC
Pulse
For the UART interface, the TOIM3000 uses the
1.8432 MHz clock input as the fast clock and the baud
clock output from the UART to do the pulse stretching
and shortening. The baud clock is 16 times the baud
rate. The output pulses are fixed at 1.627
bit time.
The typical power consumption of both circuits is very
low with about 10 mW in operational state and in the
order of microwatts in standby mode.
D
D
D
GND
3 V and 5 V operation
Low operating current
SO16L package
www.vishay.de FaxBack +1-408-970-5600
TD_IR
TD_232
RD_232
RD_IR
Vishay Telefunken
TOIM3000
m
s or 3/16 of
1

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toim3000 Summary of contents

Page 1

... Document Number 82520 Rev. 1, 01-Apr- For the UART interface, the TOIM3000 uses the 1.8432 MHz clock input as the fast clock and the baud clock output from the UART to do the pulse stretching and shortening. The baud clock is 16 times the baud rate ...

Page 2

... RD_232 and TD_232. These two pins provide the extra IR function that a single TOIM3000 IC can time share with both an infrared IrDA port and an RS232 port. Whenever RE- SET = 0, the TOIM3000 links to the infrared transceiver of the TFDS4000 series through RD_IR and TD_IR pins ...

Page 3

... T 0 amb T – 25 stg T sld Test Conditions Symbol T– or GND TOIM3000 Vishay Telefunken Typ. Max. Unit 0 125 215 230 C Min. Typ. Max. Unit 2.2 V 0.8 V 1.1 V 1.4 V " ...

Page 4

... Set LOW (“0”). When RESET = 0, the TFDS RXD 4000 TOIM3000 communicates with the infrared trans- ceiver TFDS4000. On the other hand, if RESET = 1, TXD the TOIM3000 communicates with the RS232 port 2.2 k optional, only necessary when RxD– TXD RS232 RD_IR line is capacitive loaded 100 ...

Page 5

... Package Information Package SO16L 10.5 Dimensions in mm 10.1 0.49 1.27 0.35 8. Document Number 82520 Rev. 1, 01-Apr-99 Vishay Telefunken 9.25 8.75 7.5 7.3 2.45 2.25 0.25 0.10 10.56 10.15 9 technical drawings according to DIN specifications 8 www.vishay.de FaxBack +1-408-970-5600 TOIM3000 0.3 0.2 13011 5 ...

Page 6

... TOIM3000 Vishay Telefunken Ozone Depleting Substances Policy Statement It is the policy of Vishay Semiconductor GmbH to 1. Meet all present and future national and international statutory requirements. 2. Regularly and continuously improve the performance of our products, processes, distribution and operating systems with respect to their impact on the health and safety of our employees and the public, as well as their impact on the environment ...

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