Radio Encoder / Decoder IC’s
RF800
Technical Specifications:
Absolute Maximum Ratings
Note: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device.
Item
Rating
Units
Supply voltage
4 to 5.5
V
Input voltage
-0.3 to VDD + 0.3
V
V
Output voltage
-0.3 to VDD+ 0.3
Max output current
Storage temperature
Lead soldering temp
ESD rating
25
-55 to +125
300
mA
°C (Note)
°C (Note)
V
4000
25
Max O/P current sunk by any I/O pin
Max O/P current sourced by any I/O pin
mA
25
mA
RF800 Decoder/ Encoder
Electrical Characteristics
Min
Typical
Max
Unit
Operating current(average)
Vdd = 5V
1.8
1.8
3.3
mA
Standby current
3.3
Vdd
µA
V
High level Input voltage
Low level input voltage
High level output voltage
Low level output voltage
Output Pin Current rating
LED sink current
.45 Vdd
Vss
.2Vss
V
Vdd-0.7
V
0.6
25
25
V
mA
mA
5
RF800E / 800D System Characteristics
Electrical Characteristics
Min
Typical
Max
Unit
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
mS
16.6
66.4
16.8
66.6
17
66.8
mS
mS
16.6
66.4
16.8
66.6
17
66.8
350
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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