SYNCHRONOUS 4-BIT UP/DOWN COUNTERS

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TI

德州仪器

SYNCHRONOUS 4-BIT UP/DOWN COUNTER

SYNCHRONOUS 4-BIT UP/DOWN COUNTER The SN54 /74LS669 is a synchronous 4-bit up/down counter. The LS669 is a 4-bit binary counter. For high speed counting applications, this presettable counter features an internal carry lookahead for cascading purposes. By clocking all flip-flops simultaneousl

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MOTOROLA

摩托罗拉

SYNCHRONOUS 4-BIT UP/DOWN COUNTERS

文件：481.95 Kbytes 页数：12 Pages

TI

德州仪器

SYNCHRONOUS 4-BIT UP/DOWN COUNTERS

Programmable Look-Ahead Up/Down Binary/Decade Counters * Fully Synchronous Operation for Counting and Programming * Internal Look-Ahead for Fast Counting © Carry Output for n-Bit Cascading * Fully Independent Clock Circuit © Buffered Outputs description Thess synchronous p

文件：486.68 Kbytes 页数：12 Pages

TI

德州仪器