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參數(shù)資料
| 型號： | MAX7300AAX+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 4/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC I/O EXPANDER I2C 28B 36SSOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 30 |
| 接口： | I²C，2 線串口 |
| 輸入/輸出數(shù)： | 28 |
| 中斷輸出： | 是 |
| 頻率 - 時(shí)鐘： | 400kHz |
| 電源電壓： | 2.5 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 36-BSOP（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 36-SSOP |
| 包裝： | 管件 |
MAX7300
2-Wire-Interfaced, 2.5V to 5.5V, 20-Port or
28-Port I/O Expander
12
______________________________________________________________________________________
COMMAND BYTE ADDRESS RANGE
AUTOINCREMENT BEHAVIOR
x0000000 to x1111110
Command address autoincrements after byte read or written
x1111111
Command address remains at x1111111 after byte written or read
PIN
CONNECTION
DEVICE ADDRESS
AD1
AD0
A6
A5
A4
A3
A2
A1
A0
GND
1
0
GND
V+
100
000
1
GND
SDA
100
001
0
GND
SCL
100
001
1
V+
GND
100
010
0
V+
100
010
1
V+
SDA
100
011
0
V+
SCL
100
011
1
SDA
GND
100
0
SDA
V+
100
1
SDA
1
0
1
0
1
0
SDA
SCL
1
0
1
0
1
SCL
GND
100
110
0
SCL
V+
100
110
1
SCL
SDA
1
0
1
0
SCL
1
0
1
SA
A
P
0
SLAVE ADDRESS
COMMAND BYTE
DATA BYTE
ACKNOWLEDGE FROM MAX7300
D15 D14 D13 D12 D11 D10
D9
D8
D1
D0
D3
D2
D5
D4
D7
D6
HOW COMMAND BYTE AND DATA BYTE MAP INTO MAX7300’s REGISTER
ACKNOWLEDGE FROM MAX7300
R/W
‘n’ BYTES
AUTOINCREMENT MEMORY WORD ADDRESS
ACKNOWLEDGE FROM MAX7300
Figure 9. ‘n’ Data Bytes Received
Table 3. MAX7300 Address Map
Table 4. Autoincrement Rules
PC Board Layout Considerations
Ensure that all the MAX7300 GND connections are
used. For TQFN versions, connect the underside
exposed pad to GND. A ground plane is not necessary,
but may be useful to reduce supply impedance if the
MAX7300 outputs are to be heavily loaded. Keep the
track length from the ISET pin to the RISET resistor as
short as possible, and take the GND end of the register
either to the ground plane or directly to the GND pins.
Power-Supply Considerations
The MAX7300 operates with power-supply voltages of
2.5V to 5.5V. Bypass the power supply to GND with a
0.047F capacitor as close to the device as possible.
Add a 1F capacitor if the MAX7300 is far away from
the board’s input bulk decoupling capacitor.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX7300AAX+ | 功能描述:接口-I/O擴(kuò)展器 2.5-5.5V 20/28 Port I/O Expander RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
| MAX7300AAX+T | 功能描述:接口-I/O擴(kuò)展器 2.5-5.5V 20/28 Port I/O Expander RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
| MAX7300AAX-T | 功能描述:接口-I/O擴(kuò)展器 RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
| MAX7300AGL | 功能描述:接口-I/O擴(kuò)展器 2.5-5.5V 20/28 Port I/O Expander RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
| MAX7300AGL+T | 功能描述:接口-I/O擴(kuò)展器 RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
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