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參數資料
| 型號： | FM24C256FLYYX |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Shielded Paired Cable, EIA RS-232 and EIA RS-422; Number of Conductors:25; Conductor Size AWG:24; No. Strands x Strand Size:7 x 32; Jacket Material:Polyvinylchloride (PVC); Shielding Material:Aluminum Foil/Polyester Tape RoHS Compliant: Yes |
| 中文描述： | 256千比特2線總線接口的串行EEPROM的寫保護 |
| 文件頁數： | 5/12頁 |
| 文件大小： | 89K |
| 代理商： | FM24C256FLYYX |
5
www.fairchildsemi.com
FM24C256 rev. B.3
F
AC Conditions of Test
Input Pulse Levels
V
CC
x 0.1 to V
CC
Input Rise and Fall Times
10 ns
Input & Output Timing Levels
V
CC
x 0.5
Output Load
1 TTL Gate and C
L
= 100 pF
Read and Write Cycle Limits (Standard and Low V
CC
Range - 2.7V-5.5V)
Symbol
Parameter
100 kHz
Min
400 kHz
Min
Units
Max
Max
f
SCL
SCL Clock Frequency
100
400
kHz
T
I
Noise Suppression Time Constant at
SCL, SDA Inputs (Minimum V
IN
Pulse width)
100
50
ns
t
AA
SCL Low to SDA Data Out Valid
0.3
3.5
0.3
1.2
μ
s
t
BUF
Time the Bus Must Be Free before
a New Transmission Can Start
4.7
1.3
μ
s
t
HD:STA
Start Condition Hold Time
4.0
0.6
μ
s
t
LOW
Clock Low Period
4.7
1.5
μ
s
t
HIGH
Clock High Period
4.0
0.6
μ
s
t
SU:STA
Start Condition Setup Time
(for a Repeated Start Condition)
4.7
0.6
μ
s
t
HD:DAT
Data in Hold Time
0
0
μ
s
t
SU:DAT
Data in Setup Time
250
100
ns
t
R
SDA and SCL Rise Time
1
0.3
μ
s
t
F
SDA and SCL Fall Time
300
300
ns
t
SU:STO
Stop Condition Setup Time
4.7
0.6
μ
s
t
DH
Data Out Hold Time
100
100
ns
t
WR
Write Cycle Time
6
6
ms
(Note 2)
Note 2
: The write cycle time (t
) is the time from a valid stop condition of a write sequence to the end of the internal erase/program cycle. During the write cycle, the
FM24C256 bus interface circuits are disabled, SDA is allowed to remain high per the bus-level pull-up resistor, and the device does not respond to its slave address
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相關代理商/技術參數 |
參數描述 |
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| FM24C256FLZEM8 | 功能描述:電可擦除可編程只讀存儲器 SOIC-8 RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數據保留:100 yr 最大時鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| FM24C256FLZEM8X | 功能描述:電可擦除可編程只讀存儲器 SOIC-8 RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數據保留:100 yr 最大時鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| FM24C256FLZEN | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:I2C Serial EEPROM |
| FM24C256FLZEYYX | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:256 KBit 2-Wire Bus Interface Serial EEPROM with Write Protect |
| FM24C256FLZM8 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:I2C Serial EEPROM |