参数资料
型号: AT24C256C-SSHL-B
厂商: Atmel
文件页数: 4/21页
文件大小: 0K
描述: IC EEPROM 256KBIT IND 8SOIC
标准包装: 100
格式 - 存储器: EEPROMs - 串行
存储器类型: EEPROM
存储容量: 256K (32K x 8)
速度: 400kHz,1MHz
接口: I²C,2 线串口
电源电压: 1.7 V ~ 5.5 V
工作温度: -40°C ~ 85°C
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 管件
5.
Memory Organization
Atmel AT24C256C, 256K Serial EEPROM : The 256K is internally organized as 512 pages of 64-bytes each. Random
word addressing requires a 15-bit data word address.
Table 5-1.
Pin Capacitance (1)
Applicable over recommended operating range from: T A = 25°C, f = 1.0MHz, V CC = 1.7V to 5.5V.
Symbol
C I/O
C IN
Note:
1.
Test Condition
Input/Output Capacitance (SDA)
Input Capacitance (A 0 , A 1 , A 2 , and SCL)
This parameter is characterized and is not 100% tested.
Max
8
6
Units
pF
pF
Conditions
V I/O = 0V
V IN = 0V
Table 5-2.
DC Characteristics
Applicable over recommended operating range from: T AI = - 40°C to +85°C, V CC = 1.7V to 5.5V (unless otherwise noted) .
Symbol
V CC1
I CC1
I CC2
Parameter
Supply Voltage
Supply Current
Supply Current
Test Condition
V CC = 5.0V
V CC = 5.0V
Read at 400kHz
Write at 400kHz
Min
1.7
Typ
1.0
2.0
Max
5.5
2.0
3.0
Units
V
mA
mA
I SB1
I LI
Standby Current
Input Leakage
Current V CC = 5.0V
V CC = 1.7V
V CC = 5.0V
V IN = V CC or V SS
V IN = V CC or V SS
0.10
1.0
6.0
3.0
? A
? A
? A
I LO
V IL
V IH
Output Leakage
Current V CC = 5.0V
Input Low Level (1)
Input High Level ( (1)
V OUT = V CC or V SS
-0.6
V CC x 0.7
0.05
3.0
V CC x 0.3
V CC + 0.5
? A
V
V
V OL1
V OL2
Output Low Level
Output Low Level
V CC = 1.7V
V CC = 3.0V
I OL = 0.15mA
I OL = 2.1mA
0.2
0.4
V
V
Note:
1.
V IL min and V IH max are reference only and are not tested.
Atmel AT24C256C [DATASHEET]
8568E–SEEPR–8/2012
4
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