SN54LS161A counters equivalent, bcd decade counters / 4-bit binary counters.
Symbol
Parameter
tWCP
Clock Pulse Width Low
tW MR or SR Pulse Width
ts Setup Time, other*
ts Setup Time PE or SR
th Hold Time, data
th Hold Time, other
trec Rec.
The LS160A and LS162A count modulo 10 (BCD). The LS161A and LS163A count modulo 16 (binary.)
The LS160A and LS161A have.
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