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參數(shù)資料
| 型號： | MAX6891ETP |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | EEPROM-Programmable, Octal/Hex/Quad, Power-Supply Sequencers/Supervisors |
| 中文描述： | 4-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQCC20 |
| 封裝： | 5 X 5 MM, TQFN-20 |
| 文件頁數(shù)： | 26/40頁 |
| 文件大小： | 255K |
| 代理商： | MAX6891ETP |
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MAX6889/MAX6890/MAX6891
EEPROM-Programmable, Octal/Hex/Quad,
Power-Supply Sequencers/Supervisors
32
______________________________________________________________________________________
data transfer, the bus master should reattempt communi-
cation at a later time. The MAX6889/MAX6890/
MAX6891 generate a NACK after the command byte
during a software reboot, while writing to the EEPROM,
or when receiving an illegal memory address.
Slave Address
SA7 through SA4 represent the standard 2-wire inter-
face address (1010) for devices with EEPROM. SA3
and SA2 correspond to the A1 and A0 address inputs
of the MAX6889/MAX6890/MAX6891 (hardwired as
logic-low or logic-high). SA0 is a read/write flag bit (0 =
write, 1 = read).
The A0 and A1 address inputs allow up to four
MAX6889/MAX6890 to connect to one bus, while the
A0 address input allows up to two MAX6891s to con-
nect to one bus. Connect A0 and A1 to GND or to the
2-wire serial-interface power supply (see Figure 7).
SCL
1
S
2
89
SDA BY
TRANSMITTER
SDA BY
RECEIVER
START
CONDITION
CLOCK PULSE FOR ACKNOWLEDGE
Figure 6. Acknowledge
SDA
SCL
1
MSB
LSB
START
01
0
A1
A0
XR/W
ACK
Figure 7. Slave Address
The MAX6889/MAX6890 slave address conforms to the
following table:
X = Don’t Care
SA7 (MSB) SA6 SA5 SA4
SA3 SA2 SA1 SA0 (LSB)
1
0
1
0
A1
A0
X
R/
W
The MAX6891 slave address conforms to the following
table:
X = Don’t Care
SA7 (MSB)
SA6 SA5 SA4 SA3 SA2 SA1 SA0 (LSB)
1
010
0
A0
X
R/
W
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX6891ETP+ | 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6891ETP+T | 功能描述:監(jiān)控電路 EEPROM-Programmable Octal/Hex/Quad Power-Supply Sequencers/Supervisors RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6891ETP-T | 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6892ETJ | 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6892ETJ+ | 功能描述:監(jiān)控電路 Pin-Selectable Octal Power-Sup Sequencer RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
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