SN54LS190 counter equivalent, presettable bcd/decade up/down counter.
Time Min 25 35 20 5.0 40 Typ Max Unit ns ns ns ns ns VCC = 5.0 V Test Conditions
DEFINITIONS OF TERMS SETUP TIME (ts) is de.
SN54/74LS190 SN54/74LS191
PRESETTABLE BCD/ DECADE UP/ DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/ DOWN COUNTERS
LOW PO.
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