Radio Encoder / Decoder IC’s
Technical Specifications:
RF800
Absolute Maximum Ratings
Note:
Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device.
Item
Supply voltage
Input voltage
Output voltage
Max output current
Storage temperature
Lead soldering temp
ESD rating
Max O/P current sunk by any I/O pin
Max O/P current sourced by any I/O pin
Rating
4 to 5.5
-0.3 to VDD + 0.3
-0.3 to VDD+ 0.3
25
-55 to +125
300
4000
25
25
Units
V
V
V
mA
° (Note)
C
° (Note)
C
V
mA
mA
RF800 Decoder/ Encoder
Electrical Characteristics
Operating current(average)
Vdd = 5V
Standby current
High level Input voltage
Low level input voltage
High level output voltage
Low level output voltage
Output Pin Current rating
LED sink current
5
Min
Typical
1.8
1.8
.45 Vdd
Vss
Vdd-0.7
0.6
25
25
Max
3.3
3.3
Vdd
.2Vss
Unit
mA
µA
V
V
V
V
mA
mA
RF800E / 800D System Characteristics
Electrical Characteristics
Time from RF800E input operation to
RF800D Output asserted:
Element time of 100uSecs
Element time of 400uSecs
Time from RF800E input released to
RF800D Output released:
Element time of 100uSecs
Element time of 400uSecs
Decoder Momentary Output Time of
operation
Min
Typical
Max
Unit
mS
16.6
66.4
16.8
66.6
17
66.8
16.6
66.4
350
16.8
66.6
17
66.8
mS
mS
Note that in momentary mode, the output will be asserted for as long as the 204 buttons are pressed.
DS800-4 July ’07
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Tel 01273 898000 Fax 01273 480661
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