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參數(shù)資料
| 型號： | 74HCT4510DB |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 計數(shù)器 |
| 英文描述： | BCD up/down counter |
| 中文描述： | HCT SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL DECADE COUNTER, PDSO16 |
| 文件頁數(shù)： | 3/12頁 |
| 文件大小： | 102K |
| 代理商： | 74HCT4510DB |
December 1990
11
Philips Semiconductors
Product specication
BCD up/down counter
74HC/HCT4510
APPLICATION INFORMATION
Fig.12 Cascading counter packages (parallel clocking).
Terminal count (TC) lines at the 2nd, 3rd, etc. stages may have a negative-going
glitch pulse resulting from differential delays of different 4510s. These
negative-going glitches do not affect proper 4510 operation. However, if the
terminal count signals are used to trigger other edge sensitive logic devices, such
as flip-flops or counters, the terminal count signals should be gated with the clock
signal using a 2-input OR gate such as HC/HCT32.
Fig.13 Cascading counter packages (ripple clocking).
Ripple clocking mode: the UP/DN control can be changed at any count. The only
restriction on changing the UP/DN control is that the clock input to the first counting
stage must be “HIGH”. For cascading counters operating in a fixed up-count or
down-count mode, the OR gates are not required between stages and TC is
connected directly to the CP input of the next stage with CE grounded.
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| 74HCT4511D | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 BCD-7SEG LCH/DEC/DVR RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| 74HCT4511D,652 | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 BCD-7SEG LCH/DEC/DVR RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| 74HCT4511D,653 | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 BCD TO 7 SEG LATCH/DECODR/DEVR RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| 74HCT4511N | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 BCD TO 7 SEG LATCH DECODR/DEVR RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| 74HCT4511N,652 | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 BCD TO 7 SEG LATCH RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
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