74LS190 counters equivalent, presettable 4-bit binary up/down counters.
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.
Image gallery
Download