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DM74LS191M中文資料仙童半導體數(shù)據(jù)手冊PDF規(guī)格書
DM74LS191M規(guī)格書詳情
General Description
The DM74LS191 circuit is a synchronous, reversible, up/down counter. Synchronous operation is provided by having all flip-flops clocked simultaneously, so that the outputs change simultaneously when so instructed by the steering logic. This mode of operation eliminates the output counting spikes normally associated with asynchronous (ripple clock) counters.
Features
■ Counts binary
■ Single down/up count control line
■ Count enable control input
■ Ripple clock output for cascading
■ Asynchronously presettable with load control
■ Parallel outputs
■ Cascadable for n-bit applications
■ Average propagation delay 20 ns
■ Typical clock frequency 25 MHz
■ Typical power dissipation 100 mW
產(chǎn)品屬性
- 型號：
DM74LS191M
- 功能描述：
計數(shù)器 IC Syn 4-Bit 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
- 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
| 供應商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
|---|---|---|---|---|---|---|---|
NS/國半 |
23+ |
DIP |
50000 |
全新原裝正品現(xiàn)貨,支持訂貨 |
詢價 | ||
FSC |
24+ |
DIP |
16800 |
絕對原裝進口現(xiàn)貨,假一賠十,價格優(yōu)勢!? |
詢價 | ||
Fairchild/ON |
22+ |
16PDIP |
9000 |
原廠渠道,現(xiàn)貨配單 |
詢價 | ||
NSC |
2022+ |
DIP |
20000 |
只做原裝進口現(xiàn)貨.假一罰十 |
詢價 | ||
NS |
19+ |
DIP |
68963 |
原廠代理渠道,每一顆芯片都可追溯原廠； |
詢價 | ||
NATIONALSEMI |
05+ |
原廠原裝 |
4243 |
只做全新原裝真實現(xiàn)貨供應 |
詢價 | ||
FSC/ON |
23+ |
原包裝原封 □□ |
6428 |
原裝進口特價供應 QQ 1304306553 更多詳細咨詢 庫存 |
詢價 | ||
NSC |
9406 |
55 |
原裝正品現(xiàn)貨庫存價優(yōu) |
詢價 | |||
NS/國半 |
2022 |
DIP |
80000 |
原裝現(xiàn)貨,OEM渠道,歡迎咨詢 |
詢價 | ||
原廠 |
2020+ |
2500 |
百分百原裝正品 真實公司現(xiàn)貨庫存 本公司只做原裝 可 |
詢價 |
