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CD40160BMJ データシート(PDF) 1 Page - National Semiconductor (TI) |
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CD40160BMJ データシート(HTML) 1 Page - National Semiconductor (TI) |
1 / 8 page TLF5986 March 1988 CD40160BMCD40160BC Decade Counter with Asynchronous Clear CD40161BMCD40161BC Binary Counter with Asynchronous Clear CD40162BMCD40162BC Decade Counter with Synchronous Clear CD40163BMCD40163BC Binary Counter with Synchronous Clear General Description These (synchronous presettable up) counters are monolith- ic complementary MOS (CMOS) integrated circuits con- structed with N- and P-channel enhancement mode transis- tors They feature an internal carry look-ahead for fast counting schemes and for cascading packages without ad- ditional gating A low level at the load input disables counting and causes the outputs to agree with the data input after the next posi- tive clock edge The clear function for the CD40162B and CD40163B is synchronous and a low level at the clear input sets all four outputs low after the next positive clock edge The clear function for the CD40160B and CD40161B is asynchronous and a low level at the clear input sets all four outputs low regardless of the state of the clock Counting is enabled when both count enable inputs are high Input T is fed forward to also enable the carry out The carry output is a positive pulse with a duration approximately equal to the positive portion of QA and can be used to en- able successive cascaded stages Logic transitions at the enable P or T inputs can occur when the clock is high or low Features Y Wide supply voltage range 30V to 15V Y High noise immunity 045 VDD (typ) Y Low power TTL fan out of 2 driving 74L compatibility or 1 driving 74LS Y Internal look-ahead for fast counting schemes Y Carry output for N-bit cascading Y Load control line Y Synchronously programmable Y Equivalent to MC14160B MC14161B MC14162B MC14163B Y Equivalent to MM74C160 MM74C161 MM74C162 MM74C163 Connection Diagram Dual-In-Line Package TLF5986 – 1 Top View Order Number CD40160B CD40161B CD40162B or CD40163B C1995 National Semiconductor Corporation RRD-B30M105Printed in U S A |
同様の部品番号 - CD40160BMJ |
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同様の説明 - CD40160BMJ |
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