74LS163 - Synchronous 4-Bit Binary Counters

These synchronous presettable counters feature an internal carry look-ahead for application in high-speed counting designs The LS161A and LS163A are 4-bit binary counters The carry output is decoded by means of a NOR gate thus preventing spikes during the normal counting mode of operation Synchronou

• Y Y Y Y Y Y Y Y Y Y Synchronously programmable Internal look-ahead for fast counting Carry output for n-bit cascading Synchronous counting Load control line Diode-clamped inputs Typical propagation time clock to Q output 14 ns Typical clock frequency 32 MHz Typical power dissipation 93 mW Alternate Military Aerospace device (54LS161 54LS163) is available Contact a National Semiconductor Sales Office Distributor for specificaitons Connection Diagram Dual-In-Line Package Order Numbers 54LS161AD.