74HC191 - Presettable synchronous 4-bit binary up/down counter
Counter Single 4-Bit Async Binary UP/Down 16-Pin TSSOP T/R
Up£¬Down Binary Counter Positive Edge -40¡æ~+125¡æ Synchronous 2V~6V 4 1 39MHz TSSOP-16 Counters / Dividers ROHS
IC BINARY COUNTER 4-BIT 16TSSOP
IC 4BIT BINARY UP/DN CNT 16TSSOP
Ic, Decoder Rohs Compliant: Yes