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UPD17227 Datasheet(PDF) 2 Page - NEC

Part # UPD17227
Description  4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
PDF  84 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD17227 Datasheet(HTML) 2 Page - NEC

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µPD17225, 17226, 17227, 17228
2
Data Sheet U12643EJ2V0DS00
APPLICATION
Preset remote controllers, toys, portable systems, etc.
ORDERING INFORMATION
Part Number
Package
µPD17225CT-×××
28-pin plastic shrink DIP (400 mil)
µPD17225GT-×××
28-pin plastic SOP (375 mil)
µPD17225MC-×××-5A4
30-pin plastic shrink SOP (300 mil)
µPD17226CT-×××
28-pin plastic shrink DIP (400 mil)
µPD17226GT-×××
28-pin plastic SOP (375 mil)
µPD17226MC-×××-5A4
30-pin plastic shrink SOP (300 mil)
µPD17227CT-×××
28-pin plastic shrink DIP (400 mil)
µPD17227GT-×××
28-pin plastic SOP (375 mil)
µPD17227MC-×××-5A4
30-pin plastic shrink SOP (300 mil)
µPD17228CT-×××
28-pin plastic shrink DIP (400 mil)
µPD17228GT-×××
28-pin plastic SOP (375 mil)
µPD17228MC-×××-5A4
30-pin plastic shrink SOP (300 mil)
Remark
××× indicates ROM code suffix.
DIFFERENCE BETWEEN
µPD17225 SUBSERIES AND µPD17215 SUBSERIES
Item
µPD17225 Subseries
µPD17215 Subseries
Supply Voltage
VDD = 2.0 to 3.6 V
VDD = 2.0 to 5.5 V
Instruction Execution
2
µs (VDD = 2.2 to 3.6 V)
2
µs (VDD = 3.5 to 5.5 V)
Time (tCY)4
µs (VDD = 2.0 to 3.6 V)
4
µs (VDD = 2.2 to 5.5 V)
8
µs (VDD = 2.0 to 5.5 V)
WDOUT Pin
Connected to RESET pin or VDD via
Connected to RESET pin or GND (when not
resistor (when not used)
used)
Connection of WDOUT pin differs between
µPD17P218 and µPD17225, 17226, 17227, and
17228 when OTP is evaluated on
µPD17225 subseries board and when WDOUT pin is not
used. When
µPD17P218 is used, malfunctioning does not occur even when WDOUT pin is
pulled up, though connection can be changed by using a jumper switch on the external board.
Others
Supply voltage, low-voltage detection voltage, oscillator characteristics, and noise characteris-
tics differ.
Although
µPD17P218 is used as one-time PROM for evaluation for both subseries,
µPD17P218 cannot be used to evaluate the low-voltage high-speed operation of the µPD17225
subseries.



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