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UPD4702 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - INCREMENTAL ENCODER 8-BIT UP/DOWN COUNTER CMOS INTEGRATED CIRCUITS - NEC

भाग संख्या UPD4702
समारोह INCREMENTAL ENCODER 8-BIT UP/DOWN COUNTER CMOS INTEGRATED CIRCUITS
मैन्युफैक्चरर्स NEC 
लोगो NEC लोगो 
पूर्व दर्शन
1 Page
		
<?=UPD4702?> डेटा पत्रक पीडीएफ

UPD4702 pdf
BLOCK DIAGRAM
Reset
A
B
Phase
Discrimination
Edge Detection
8-Bit Up/Down Counter
8-Bit Latch
3-State Output
µPD4702
Carry
Borrow
STB
OE
CD0–7
PIN FUNCTIONS
Pin Name
A, B
D0 to 7
Carry
Borrow
RESET
OE
STB
VDD
GND
Input/Output
Function
Input
(Schmitt)
Output
(3-state)
Output
Output
Input
(Schmitt)
Input
Input
Incremental signal A phase and B phase signal input pins (Schmitt input)
Count data output pins. Activated when OE is “L”, high impedance outputs when OE
is “H”.
8-bit counter carry signal output pin (active-low)
8-bit counter borrow signal output pin (active-low)
8-bit counter reset signal output pin
Counter is reset when this pin is “H”.
Count data output control signal input pin
Counter data output latch signal. Data is latched on the fall of STB, and is held while
STB = “L”.
Power supply input pin
Ground pin
2

विन्यास 16 पेज
डाउनलोड[ UPD4702 Datasheet.PDF ]


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