54LS191J
Datasheet PDF - Motorola => Freescale
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54LS191J
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MFG CO.
Motorola => Freescale
TheSN54/74LS190 is asynchronous UP/DOWN BCD Decade (8421) Counterand the SN54/74LS191is a synchronous UP/DOWN Modulo-16 BinaryCounter. State changes of the counters are synchronous with the LOW-to-HIGH transition of the Clock Pulse input.
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MFC CO.
PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER
ON Semiconductor
PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER
ON Semiconductor
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