PCA9540中文資料飛利浦數(shù)據(jù)手冊PDF規(guī)格書
PCA9540規(guī)格書詳情
DESCRIPTION
The PCA9540 is a 1-of-2 bi-directional translating multiplexer, controlled via the I2C bus. The SCL/SDA upstream pair fans out to two SCx/SDx downstream pairs, or channels. Only one SCx/SDx channel is selected at a time, determined by the contents of the programmable control register.
The pass gates of the multiplexer are constructed such that the VDD pin can be used to limit the maximum high voltage which will be passed by the PCA9540. This allows the use of different bus voltages on each SCx/SDx pair, so that 3.3 V parts can communicate with 5 V parts without any additional protection. External pull-up resistors can pull the bus up to the desired voltage level for this channel.
FEATURES
? 1-of-2 bi-directional translating multiplexer
? Channel selection via I2C bus
? Operating supply voltage 2.5 to 3.6 V
? Operating temperature range 0°C to 70°C
? Power-up with all multiplexer channels deselected
? Low on resistance
產品屬性
- 型號:
PCA9540
- 功能描述:
編碼器、解碼器、復用器和解復用器 I2C MUX 2CH BI-DIR
- RoHS:
否
- 制造商:
Micrel
- 產品:
Multiplexers
- 邏輯系列:
CMOS
- 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?。?/span>
2.375 V, 3 V
- 最大工作溫度:
+ 85 C
- 安裝風格:
SMD/SMT
- 封裝/箱體:
QFN-44
- 封裝:
Tray
供應商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
---|---|---|---|---|---|---|---|
PHI |
24+ |
NA/ |
475 |
優(yōu)勢代理渠道,原裝正品,可全系列訂貨開增值稅票 |
詢價 | ||
恩XP |
2016+ |
SOP8 |
6000 |
公司只做原裝,假一罰十,可開17%增值稅發(fā)票! |
詢價 | ||
PHSSEMICONDUCTOR |
24+ |
NA |
80000 |
只做自己庫存,全新原裝進口正品假一賠百,可開13%增 |
詢價 | ||
0 |
詢價 | ||||||
恩XP |
24+ |
TSSOP8 |
20000 |
全新原廠原裝,進口正品現(xiàn)貨,正規(guī)渠道可含稅!! |
詢價 | ||
PHI |
20+ |
TSSOP8 |
2960 |
誠信交易大量庫存現(xiàn)貨 |
詢價 | ||
恩XP |
20+ |
SMD |
11520 |
特價全新原裝公司現(xiàn)貨 |
詢價 | ||
PHIL |
24+/25+ |
84 |
原裝正品現(xiàn)貨庫存價優(yōu) |
詢價 | |||
PHI |
1950+ |
TSSOP8 |
6852 |
只做原裝正品現(xiàn)貨!或訂貨假一賠十! |
詢價 | ||
恩XP |
25+ |
25000 |
原廠原包 深圳現(xiàn)貨 主打品牌 假一賠百 可開票! |
詢價 |