- 您现在的位置：买卖IC网 > PDF目录382333 > MM54HCT191 (National Semiconductor Corporation) Level changes on Enable or Down/Up can be made regardless of the level of the clock PDF资料下载
参数资料
| 型号： | MM54HCT191 |
| 厂商： | National Semiconductor Corporation |
| 英文描述： | Level changes on Enable or Down/Up can be made regardless of the level of the clock |
| 中文描述： | 水平变化启用或向下/向上，可无论在时钟的水平 |
| 文件页数： | 5/8页 |
| 文件大小： | 170K |
| 代理商： | MM54HCT191 |
Timing Diagrams
’HCT190 Synchronous Decade Counters
Typical Load, Count, and Inhibit Sequences
TL/F/5744–5
Sequence:
(1) Load (preset) to BCD seven
(2) Count up to eight, nine, zero, one and two
(3) Inhibit
(4) Count down to one, zero, nine, eight and seven
’HCT191 Synchronous Binary Counters
Typical Load, Count, and Inhibit Sequence
TL/F/5744–6
Sequence:
(1) Load (preset) to binary thirteen
(2) Count up to fourteen, fifteen, zero, one and two
(3) Inhibit
(4) Count down to one, zero, fifteen, fourteen and thirteen
5
相关PDF资料 |
PDF描述 |
|---|---|
| MM74HCT190 | Level changes on Enable or Down/Up can be made regardless of the level of the clock |
| MM74HCT191 | Level changes on Enable or Down/Up can be made regardless of the level of the clock |
| MM54HCT193 | Lockwire |
| MM54HCT193J | SWITCH |
| MM74HCT193 | CLAMP |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MM54HCT192 WAF | 制造商:Texas Instruments 功能描述: |
| MM54HCT192J | 制造商:Rochester Electronics LLC 功能描述: |
| MM54HCT193 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Synchronous Binary Up/Down Counters |
| MM54HCT193J | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Synchronous Binary Up/Down Counters |
| MM54HCT240J | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
发布紧急采购，3分钟左右您将得到回复。