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UPD4701A Datasheet(PDF) 2 Page - NEC

Part # UPD4701A
Description  MOS INTEGRATED CIRCUIT
PDF  16 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD4701A Datasheet(HTML) 2 Page - NEC

  UPD4701A Datasheet HTML 1Page - NEC UPD4701A Datasheet HTML 2Page - NEC UPD4701A Datasheet HTML 3Page - NEC UPD4701A Datasheet HTML 4Page - NEC UPD4701A Datasheet HTML 5Page - NEC UPD4701A Datasheet HTML 6Page - NEC UPD4701A Datasheet HTML 7Page - NEC UPD4701A Datasheet HTML 8Page - NEC UPD4701A Datasheet HTML 9Page - NEC Next Button
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 2 / 16 page
background image
µPD4701A
2
ORDERING INFORMATION
Part Number
Package
µPD4701AC
24-pin plastic DIP (600 mil)
µPD4701AGT
24-pin plastic SOP (375 mil)
BLOCK DIAGRAM
XA
XB
YA
YB
RESET X
RESET Y
RIGHT
LEFT
MIDDLE
Phase
Determination
and
Edge Detection
Phase
Determination
and
Edge Detection
Button Input
Circuit
X-Axis Up/Down Counter
Data Multiplexer & Latch
Y-Axis Up/Down Counter
Count Flag
Circuit
Switch Flag
Circuit
CS
X/Y
U/L
CF
SF
D0-7
DATA MULTIPLEXER/LATCH BLOCK
X-Axis Counter
Y-Axis Counter
Button Input
8
4
8
8
Data
Multiplexer
3-State
Buffer
OE
12-Bit
Latch
STB
12-Bit
Latch
STB
4-Bit
Latch
STB
X/Y
U/L
CS
D0 - 7
To Count Flag Circuit



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