Part # 74LS168 datasheet

Part Manufacturer: Motorola

Motorola

Part Description: 74LS168


Part Details:

SN54/74LS168 BCD DECADE/MODULO SN54/74LS169 16 BINARY SYNCHRONOUSBI-DIRECTIONAL COUNTERS BCD DECADE / MODULO The SN54 / 74LS168 and SN54 / 74LS169 are fully synchronous 4-stage 16 BINARY SYNCHRONOUS up/down counters featuring a preset capability for programmable operation, BI-DIRECTIONAL COUNTERS carry lookahead for easy cascading and a U / D input to control the directionof counting. The SN54 / 74LS168 counts in a BCD decade (8, 4, 2, 1) LOW POWER SCHOTTKY sequence, while the SN54 / 74LS169 operates in a Modulo 16 binarysequence. All state changes, whether in counting or parallel loading, areinitiated by the LOW-to-HIGH transition of the clock.· Low Power Dissipation 100 mW Typical · High-Speed Count Frequency 30 MHz Typical J SUFFIX · Fully Synchronous Operation CERAMIC · Full Carry Lookahead for Easy Cascading CASE 620-09 · 16 Single Up / Down Control Input 1 · Positive Edge-Trigger Operation · Input Clamp Diodes Limit High-Speed Termination Effects N SUFFIX CONNECTION DIAGRAM DIP (TOP VIEW) PLASTIC CASE 648-08 V 16 CC TC Q0 Q1 Q2 Q CET 3 PE 16 15 14 13 12 11 10 9 1 NOTE:The Flatpak version D SUFFIX has the same pinouts SOIC 16 (Connection Diagram) as CASE 751B-03


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74LS168.pdf Datasheet