参数资料
型号: CAT24AA01WI-T3
厂商: ON SEMICONDUCTOR
元件分类: PROM
英文描述: 128 X 8 I2C/2-WIRE SERIAL EEPROM, PDSO8
封装: 0.150 INCH, ROHS COMPLIANT, MS-012, SOIC-8
文件页数: 12/13页
文件大小: 143K
代理商: CAT24AA01WI-T3
CAT24AA01, CAT24AA02
Doc. No. MD-1120 Rev. C
8
2008 SCILLC. All rights reserved.
Characteristics subject to change without notice
READ OPERATIONS
Immediate Read
To read data from memory, the Master creates a
START condition on the bus and then broadcasts a
Slave address with the R/W
bit set to ‘1’. The Slave
responds with ACK and starts shifting out data
residing at the current address. After receiving the
data,
the
Master
responds
with
NoACK
and
terminates the session by creating a STOP condition
on the bus (Figure 9). The Slave then returns to
Standby mode.
Selective Read
To read data residing at a specic address, the
selected address must rst be loaded into the internal
address register. This is done by starting a Byte Write
sequence, whereby the Master creates a START
condition, then broadcasts a Slave address with the
R/W
bit set to ‘0’ and then sends an address byte to
the Slave. Rather than completing the Byte Write
sequence by sending data, the Master then creates a
START condition and broadcasts a Slave address
with the R/W
bit set to ‘1’. The Slave responds with
ACK after every byte sent by the Master and then
sends out data residing at the selected address. After
receiving the data, the Master responds with NoACK
and then terminates the session by creating a STOP
condition on the bus (Figure 10).
Sequential Read
If, after receiving data sent by the Slave, the Master
responds with ACK, then the Slave will continue
transmitting until the Master responds with NoACK
followed by STOP (Figure 11). During Sequential
Read the internal byte address is automatically
incremented up to the end of memory, where it then
wraps around to the beginning of memory. For the
CAT24AA01, the internal address counter will not
wrap around at the end of the 128 byte memory
space.
相关PDF资料
PDF描述
CAT24C01BGZE-1.8TE13REV-A 128 X 8 I2C/2-WIRE SERIAL EEPROM, PDSO8
CAT24C01BJE-1.8TE13REV-A 128 X 8 I2C/2-WIRE SERIAL EEPROM, PDSO8
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CAT24C01BZA-TE13REV-A 128 X 8 I2C/2-WIRE SERIAL EEPROM, PDSO8
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