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| 型号： | 24LC256T-I/ST |
| 厂商： | Microchip Technology |
| 文件页数： | 2/38页 |
| 文件大小： | 0K |
| 描述： | IC EEPROM 256KBIT 400KHZ 8TSSOP |
| 产品培训模块： | I2C Serial EEPROM |
| 标准包装： | 2,500 |
| 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 |
| 接口： | I²C，2 线串口 |
| 电源电压： | 2.5 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 8-TSSOP |
| 包装： | 带卷 (TR) |
| 其它名称： | 24LC256T-I/STG 24LC256T-I/STG-ND 24LC256TI/ST |
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24AA256/24LC256/24FC256
1.0
ELECTRICAL CHARACTERISTICS
Absolute Maximum Ratings (?)
V CC .............................................................................................................................................................................6.5V
All inputs and outputs w.r.t. V SS ......................................................................................................... -0.6V to V CC +1.0V
Storage temperature ...............................................................................................................................-65°C to +150°C
Ambient temperature with power applied ................................................................................................-40°C to +125°C
ESD protection on all pins ??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? 4 kV
? NOTICE: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the
device. This is a stress rating only and functional operation of the device at these or any other conditions above those
indicated in the operational listings of this specification is not implied. Exposure to Absolute Maximum Rating
conditions for extended periods may affect device reliability.
TABLE 1-1:
DC CHARACTERISTICS
Electrical Characteristics:
DC CHARACTERISTICS
Industrial (I): V CC = +1.7V to 5.5V
Automotive (E): V CC = +2.5V to 5.5V
T A = -40°C to +85°C
T A = -40°C to +125°C
Param.
No.
Sym.
—
Characteristic
A0, A1, A2, SCL, SDA
Min.
—
Max.
—
Units
—
—
Conditions
and WP pins:
D1
D2
V IH
V IL
High-level input voltage
Low-level input voltage
0.7 V CC
—
—
0.3 V CC
V
V
—
V CC ? 2.5V
0.2 V CC
V
V CC < 2.5V
D3
V HYS
Hysteresis of Schmitt
0.05 V CC
—
V
V CC ? 2.5V (Note)
Trigger inputs
(SDA, SCL pins)
D4
V OL
Low-level output voltage
—
0.40
V
I OL = 3.0 ma @ V CC = 4.5V
I OL = 2.1 ma @ V CC = 2.5V
D5
I LI
Input leakage current
—
±1
? A
V IN = V SS or V CC , WP = V SS
V IN = V SS or V CC , WP = V CC
D6
D7
I LO
C IN ,
Output leakage current
Pin capacitance
—
—
±1
10
? A
pF
V OUT = V SS or V CC
V CC = 5.0V (Note)
C OUT
(all inputs/outputs)
T A = 25°C, F CLK = 1 MHz
D8
I CC Read Operating current
I CC Write
—
—
400
3
? A
mA
V CC = 5.5V, SCL = 400 kHz
V CC = 5.5V
D9
I CCS
Standby current
—
1
? A
T A = -40°C to +85°C
SCL = SDA = V CC = 5.5V
A0, A1, A2, WP = V SS
—
5
? A
T A = -40°C to +125°C
SCL = SDA = V CC = 5.5V
A0, A1, A2, WP = V SS
Note:
This parameter is periodically sampled and not 100% tested.
DS21203R-page 2
? 1998-2011 Microchip Technology Inc.
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