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參數(shù)資料
| 型號： | 74HCT4516 |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 通用總線功能 |
| 英文描述： | 4-Bit Synchronous Up/Down Binary Counters 16-SOIC -40 to 85 |
| 中文描述： | 二進制向上/向下計數(shù)器 |
| 文件頁數(shù)： | 13/14頁 |
| 文件大?。?/td> | 100K |
| 代理商： | 74HCT4516 |
December 1990
13
Philips Semiconductors
Product specification
Binary up/down counter
74HC/HCT4516
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 4516s. These negative-going glitches do not affect proper 4516 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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| 74HC4516D | Binary up/down counter |
| 74HC4516DB | Binary up/down counter |
| 74HC4516N | Binary up/down counter |
| 74HC4516 | Binary up/down counter |
| 74HCT4518 | Dual synchronous BCD counter |
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| 74HCT4516 88 | 制造商:RCA 功能描述:74HCT4516 S11M2B |
| 74HCT451688 | 制造商:RCA 功能描述:74HCT4516 S11M2B |
| 74HCT4520D | 功能描述:計數(shù)器 IC DUAL 4-BIT SYNC BINARY COUNTER RoHS:否 制造商:NXP Semiconductors 計數(shù)器類型:Binary Counters 邏輯系列:74LV 位數(shù):10 計數(shù)法: 計數(shù)順序: 工作電源電壓:1 V to 5.5 V 工作溫度范圍:- 40 C to + 125 C 封裝 / 箱體:SOT-109 封裝:Reel |
| 74HCT4520D,112 | 功能描述:計數(shù)器 IC DUAL 4-BIT SYNC RoHS:否 制造商:NXP Semiconductors 計數(shù)器類型:Binary Counters 邏輯系列:74LV 位數(shù):10 計數(shù)法: 計數(shù)順序: 工作電源電壓:1 V to 5.5 V 工作溫度范圍:- 40 C to + 125 C 封裝 / 箱體:SOT-109 封裝:Reel |
| 74HCT4520D,118 | 功能描述:計數(shù)器 IC DUAL 4-BIT SYNC RoHS:否 制造商:NXP Semiconductors 計數(shù)器類型:Binary Counters 邏輯系列:74LV 位數(shù):10 計數(shù)法: 計數(shù)順序: 工作電源電壓:1 V to 5.5 V 工作溫度范圍:- 40 C to + 125 C 封裝 / 箱體:SOT-109 封裝:Reel |
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