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參數(shù)資料
| 型號(hào)： | 24C256 |
| 廠商： | Atmel Corp. |
| 英文描述： | 2-Wire Serial EEPROMs |
| 中文描述： | 2線串行EEPROM |
| 文件頁(yè)數(shù)： | 2/15頁(yè) |
| 文件大?。?/td> | 225K |
| 代理商： | 24C256 |
第1頁(yè)當(dāng)前第2頁(yè)第3頁(yè)第4頁(yè)第5頁(yè)第6頁(yè)第7頁(yè)第8頁(yè)第9頁(yè)第10頁(yè)第11頁(yè)第12頁(yè)第13頁(yè)第14頁(yè)第15頁(yè)
AT24C128/256
2
Absolute Maximum Ratings*
Block Diagram
Pin Description
SERIAL CLOCK (SCL):
The SCL input is used to positive
edge clock data into each EEPROM device and negative
edge clock data out of each device.
SERIAL DATA (SDA):
The SDA pin is bidirectional for
serial data transfer. This pin is open-drain driven and may
be wire-ORed with any number of other open-drain or open
collector devices.
DEVICE/PAGE ADDRESSES (A1, A0):
The A1 and A0
pins are device address inputs that are hardwired or left not
connected for hardware compatibility with AT24C32/64.
When the pins are hardwired, as many as four 128K/256K
devices may be addressed on a single bus system (device
addressing is discussed in detail under the Device
Addressing section). When the pins are not hardwired, the
default A
1
and A
0
are zero.
WRITE PROTECT (WP):
The write protect input, when tied
to GND, allows normal write operations. When WP is tied
high to V
CC
, all write operations to the memory are inhib-
ited. If left unconnected, WP is internally pulled down to
GND. Switching WP to V
CC
prior to a write operation cre-
ates a software write protect function.
Memory Organization
AT24C128/256, 128K/256K SERIAL EEPROM:
The
128K/256K is internally organized as 256/512 pages of 64-
bytes each. Random word addressing requires a 14/15-bit
data word address.
Operating Temperature.................................. -55
°
C to +125
°
C
*NOTICE:
Stresses beyond those listed under “Absolute
Maximum Ratings” may cause permanent dam-
age to the device. This is a stress rating only and
functional operation of the device at these or any
other conditions beyond those indicated in the
operational sections of this specification is not
implied. Exposure to absolute maximum rating
conditions for extended periods may affect device
reliability.
Storage Temperature..................................... -65
°
C to +150
°
C
Voltage on Any Pin
with Respect to Ground.....................................-1.0V to +7.0V
Maximum Operating Voltage........................................... 6.25V
DC Output Current........................................................ 5.0 mA
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 24C128 | 131,072-bit 2-WIRE SERIAL CMOS EEPROM |
| 24C256 | DIODE ZENER 6.2V 120MW SSSMINI2 |
| 24C256 | 256 KBit 2-Wire Bus Interface Serial EEPROM with Write Protect |
| 24C128 | 128K IIC CMOS serial EEPROM(4.5~5.5V,128K位,IIC CMOS 串行EEPROM) |
| 24C16B-EP | The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 24C256N-10SI-2.7 | 制造商: 功能描述: 制造商:undefined 功能描述: |
| 24C256N10SI27 | 制造商: 功能描述: 制造商:undefined 功能描述: |
| 24C28D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| 24C28S | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| 24C2X201 | 制造商: 功能描述: 制造商:undefined 功能描述: |
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