LS SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL DECADE COUNTER, PDSO16
Synchronous 4-Bit Up/Down Binary Counters With Dual Clock and Clear 16-CDIP 0 to 70
LS SERIES, 4-BIT BIDIRECTIONAL PARALLEL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, CDIP16

Synchronous 4-Bit Up/Down Binary Counters With Dual Clock and Clear 16-PDIP 0 to 70
LS SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PQCC20