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부품번호 | 24LC08 기능 |
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기능 | 8K-Bit Serial EEPROM | ||
제조업체 | Ceramate Technical | ||
로고 | |||
전체 23 페이지수
24LC08
8K-Bit Serial EEPROM
OVERVIEW
The 24LC08 serial EEPROM has a 8,192-bit (1,024-byte) capacity, supporting the standard I 2CTM-bus
serial interface. It is fabricated using CERAMATE's most advanced CMOS technology. One of its major’feature
is a hardware-based write protection circuit for the entire memory area. Hardware-based write protection
is controlled by the state of the write-protect (WP) pin. Using one-page write mode, you can load up to
16 bytes of data into the EEPROM in a single write operation. Another significant feature of the 24LC08
is its support for fast mode and standard mode.
FEATURES
www.DataSI2hCe-Beut4sUIn.ctoemrface
• Two-wire serial interface
• Automatic word address increment
EEPROM
• 8K-bit (1,024-byte)
storage area
• 16-byte page buffer
• Typical 3.5 ms write cycle time with
auto-erase function
• Hardware-based write protection for the entire
EEPROM (using the WP pin)
• EEPROM programming voltage generated
on chip
• 1,000,000 erase/write cycles
• 100 years data retention
ORDERING INFORMATION
Operating Characteristics
• Operating voltage
— 2.5 V to 5.5 V (write)
— 2.2 V to 5.5 V (read)
• Operating current
— Maximum write current: < 3 mA at 5.5 V
— Maximum read current: < 200 µA at 5.5 V
— Maximum stand-by current: < 5 µA at 3.3 V
• Operating temperature range
— – 25°C to + 70°C (commercial)
— – 40°C to + 85°C (industrial)
• Operating clock frequencies
— 100 kHz at standard mode
— 400 kHz at fast mode
• Electrostatic discharge (ESD)
— 3,000 V (HBM)
— 300 V (MM)
Packages
• 8-pin DIP, SOP, and TSSOP
24 LC 08 X X
Operating Voltage
LC:2.5~5.5V,CMOS
Type
08=8K
Temp. grade
Blank:-25~+70
Packing
Blank :Tube
A :Taping(SOP8)
T :Taping(TSSOP8)
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Tel:886-3-3214525
Fax:886-3-3521052
Page 1 of 23
Email: [email protected]
Http: www.ceramate.com.tw
Rev 1.1 Nov.18, 2002
24LC08
8K-Bit Serial EEPROM
A0, A1,
A2, WP
www.DataSheet4U.com
Figure 3-3. Pin Circuit Type 1
SCL
Noise
Filter
Figure 3-4. Pin Circuit Type 2
SDA
Data Out
VSS
Noise
Filter
Data In
Figure 3-5. Pin Circuit Type 3
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Tel:886-3-3214525
Fax:886-3-3521052
Page 4 of 23
Email: [email protected]
Http: www.ceramate.com.tw
Rev 1.1 Nov.18, 2002
4페이지 24LC08
8K-Bit Serial EEPROM
Master
SCL Line
Data from
www.DataSheet4U.coTrmansmitter
ACK from
Receiver
Bit 1
Bit 9
ACK
Figure 3-8. Acknowledge Response From Receiver
• Slave Address: After the master initiates a Start condition, it must output the address of the device to be
accessed. The most significant four bits of the slave address are called the “device identifier”. The identifier
for the 24LC08 is “1010B”. The next three bits comprise the addr ess of a specific device. The device
address is defined by the state of the A0, A1 and A2 pins. Using this addressing scheme, you can cascade
up to two 24LC08 on the bus (see Table 3-2 below). The b1, b2 for 24LC08 are used by the master
to select which of the blocks of internal memory (1 block = 256 words) are to be accessed. The bits are in
effect the most significant bits of the word address.
• Read/Write: The final (eighth) bit of the slave address defines the type of operation to be performed. If the
R/W bit is “1”, a read operation is executed. If it is “0”, a write operation is executed.
Device
24LC08
Table 3-2. Slave Device Addressing
Device Identifier
b7 b6 b5 b4
1010
Device Address
b3 b2
A2 B1
b1
B0
R/W Bit
b0
R/W
NOTE: The A2, B1, B0 correspond to the MSB of the memory array address word.
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Tel:886-3-3214525
Fax:886-3-3521052
Page 7 of 23
Email: [email protected]
Http: www.ceramate.com.tw
Rev 1.1 Nov.18, 2002
7페이지 | |||
구 성 | 총 23 페이지수 | ||
다운로드 | [ 24LC08.PDF 데이터시트 ] |
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DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |