參數(shù)資料
型號(hào)： CAT1023RD4I-45
廠商： ON SEMICONDUCTOR
元件分類： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, DSO8
封裝： 3 X 3 MM, 0.80 MM HEIGHT, MO-229, TDFN -8
文件頁(yè)數(shù)： 4/20頁(yè)
文件大小： 149K
代理商： CAT1023RD4I-45
12
CAT1021, CAT1022, CAT1023
Doc. No. 3009, Rev. K
Acknowledge Polling
Disabling of the inputs can be used to take advantage of
the typical write cycle time. Once the stop condition is
issued to indicate the end of the host’s write opration, the
CAT1021/22/23 initiates the internal write cycle. ACK
polling can be initiated immediately. This involves issuing
the start condition followed by the slave address for a
write operation. If the device is still busy with the write
operation, no ACK will be returned. If a write operation
has completed, an ACK will be returned and the host can
then proceed with the next read or write operation.
WRITE PROTECTION PIN (WP)
The Write Protection feature (CAT1021 only) allows the
user to protect against inadvertent memory array
programming. If the WP pin is tied to VCC, the entire
memory array is protected and becomes read only. The
CAT1021 will accept both slave and byte addresses,
but the memory location accessed is protected from
programming by the device’s failure to send an
acknowledge after the first byte of data is received.
Read Operations
The READ operation for the CAT1021/22/23 is initiated
in the same manner as the write operation with one
exception, the R/
W bit is set to one. Three different
READ operations are possible: Immediate/Current
Address READ, Selective/Random READ and
Sequential READ.
SCL
SDA
8TH BIT
STOP
NO ACK
DATA OUT
89
SLAVE
ADDRESS
S
A
C
K
DATA
N
O
A
C
K
S
T
O
P
BUS ACTIVITY:
MASTER
SDA LINE
S
T
A
R
T
Figure 10. Immediate Address Read Timing
相關(guān)PDF資料
PDF描述
CAT1321ZD2I-28-T3 1-CHANNEL POWER SUPPLY SUPPORT CKT, DSO8
CK1001-9ERDD 1-OUTPUT 150 W DC-DC REG PWR SUPPLY MODULE
CK1001-9ERDDTB1 1-OUTPUT 150 W DC-DC REG PWR SUPPLY MODULE
CK1601-9ERDDB1 1-OUTPUT 150 W DC-DC REG PWR SUPPLY MODULE
CC025ACL 3-OUTPUT 25 W DC-DC REG PWR SUPPLY MODULE
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CAT1023RD4I-45TE13 制造商:CATALYST 制造商全稱:Catalyst Semiconductor 功能描述:Supervisory Circuits with I2C Serial 2k-bit CMOS EEPROM, Manual Reset and Watchdog Timer
CAT1023RE-25 功能描述:監(jiān)控電路 2K bit 2.5V Ext Temp RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)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(kāi)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
CAT1023RE-25TE13 制造商:CATALYST 制造商全稱:Catalyst Semiconductor 功能描述:Supervisory Circuits with I2C Serial 2k-bit CMOS EEPROM, Manual Reset and Watchdog Timer
CAT1023RE-25-TE13 功能描述:監(jiān)控電路 2K bit 2.5V Ext Temp RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)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(kāi)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
CAT1023RE-28 功能描述:監(jiān)控電路 2K bit 2.8V Ext Temp RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)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(kāi)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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