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參數(shù)資料
| 型號(hào)： | MAX769 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Dual J-K Negative-Edge-Triggered Flip-Flops With Preset And Clear 16-CDIP -55 to 125 |
| 中文描述： | 2或3節(jié)電池、升/降壓型、雙向?qū)ず魴C(jī)系統(tǒng)電源IC |
| 文件頁(yè)數(shù)： | 14/16頁(yè) |
| 文件大?。?/td> | 161K |
| 代理商： | MAX769 |
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M
2 or 3-Cell, S tep-Up/Down,
Two-Way Pager S ystem IC
14
______________________________________________________________________________________
Serial data is clocked in and out MSB first. Input data is
latched on the CLK rising edge, and output data is
shifted out on the CLK falling edge. When
CS
goes low,
DO immediately contains the MSB output bit (D7). D6 is
not clocked out until the falling clock edge that follows
the first rising clock edge after a Chip Select. See the
timing diagrams in Figures 4 and 5.
SPI writes and reads concurrently, so it may be neces-
sary to perform dummy writes in order to read output
data. Four output data bits (D7–D4, Table 4) are sent
from SDO each time a serial operation occurs.
When R2 = 0, R0 and R1 are address pointers.
However, when R2 = 1, the 7 remaining bits (R1, R0
and D4–D0) become DAC programming bits. This vio-
lation of programming etiquette (R1 and R0 are some-
times address bits and other times data bits) allows the
CH DAC to be loaded with only one write operation.
Writing all zeros to the CH DAC turns it, the CH0, CH1,
and CH2 comparators, and the NICD and BATT volt-
age-sensing resistors off to minimize current consump-
tion. This reduces current drain from OUT by about
30μA.
CS
SCLK
DIN
DOUT
t
CSH
t
CSS
t
CL
t
DS
t
DH
t
DV
t
CH
t
DO
t
TR
t
CSH
Figure 4. Detailed Serial-Interface Timing
CS
SCL
SCO
D7
D6
R1
R2
D4
R0
D2
D3
D0
D1
D5
D4
0
0
0
0
SDI
Figure 5.
CS
, SCL, SDO, and SDI Serial Timing
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX769EEI | 功能描述:PMIC 解決方案 2-3 Cell Step-Up/Dwn 2-Way Pgr System IC RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel |
| MAX769EEI+ | 功能描述:PMIC 解決方案 2-3 Cell Step-Up/Dwn 2-Way Pgr System IC RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel |
| MAX769EEI+T | 功能描述:PMIC 解決方案 2-3 Cell Step-Up/Dwn 2-Way Pgr System IC RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel |
| MAX769EEI-T | 功能描述:PMIC 解決方案 2-3 Cell Step-Up/Dwn 2-Way Pgr System IC RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel |
| MAX769EVKIT | 功能描述:電源管理IC開(kāi)發(fā)工具 Evaluation Kit for the MAX769 RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
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