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參數資料
| 型號： | FM24C256-SE |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 256Kb FRAM Serial Memory |
| 中文描述： | 的256Kb FRAM的串行存儲器 |
| 文件頁數： | 10/13頁 |
| 文件大?。?/td> | 115K |
| 代理商： | FM24C256-SE |
FM24C256
Rev 1.3
Feb. 2004
Page 10 of 13
AC Parameters
(T
A
= -40
°
C to + 85
°
C, V
DD
= 4.5V to 5.5V, C
L
= 100 pF unless otherwise specified)
Symbol Parameter
f
SCL
SCL Clock Frequency
t
LOW
Clock Low Period
t
HIGH
Clock High Period
t
AA
SCL Low to SDA Data Out Valid
Min
0
4.7
4.0
Max
100
3
Min
0
1.3
0.6
Max
400
0.9
Min
0
0.6
0.4
Max
1000
0.55
Units
kHz
μ
s
μ
s
μ
s
Notes
t
BUF
Bus Free Before New
Transmission
Start Condition Hold Time
Start Condition Setup for Repeated
Start
Data In Hold
Data In Setup
Input Rise Time
Input Fall Time
Stop Condition Setup
Data Output Hold
(from SCL @ VIL)
Noise Suppression Time Constant
on SCL, SDA
Notes : All SCL specifications as well as start and stop conditions apply to both read and write operations.
1
This parameter is periodically sampled and not 100% tested.
Data Retention
(V
DD
= 4.5V to 5.5V unless otherwise specified)
Parameter
Data Retention
Notes
1.
The relationship between retention, temperature, and the associated reliability level is
characterized separately.
Capacitance
(T
A
= 25
°
C, f=1.0 MHz, V
DD
= 5V)
Symbol
Parameter
C
I/O
Input/output capacitance (SDA)
C
IN
Input capacitance
Notes
1
This parameter is periodically sampled and not 100% tested.
AC Test Conditions
Input Pulse Levels
0.1 V
DD
to 0.9 V
DD
Input rise and fall times
10 ns
Input and output timing levels
0.5 V
DD
4.7
1.3
0.5
μ
s
t
HD:STA
t
SU:STA
4.0
4.7
0.6
0.6
0.25
0.25
μ
s
μ
s
t
HD:DAT
t
SU:DAT
t
R
t
F
t
SU:STO
t
DH
0
0
0
ns
ns
ns
ns
μ
s
ns
250
4.0
0
100
0.6
0
100
0.25
0
1000
300
300
300
300
100
1
1
t
SP
50
50
50
ns
Min
10
Units
Years
Notes
1
Max
8
6
Units
pF
pF
Notes
1
1
Equivalent AC Load Circuit
5.5V
Output
1700
100 pF
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相關代理商/技術參數 |
參數描述 |
|---|---|
| FM24C256-SETR | 功能描述:F-RAM 256K (32Kx8) 5V RoHS:否 存儲容量:512 Kbit 組織:64 K x 8 接口:SPI 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube 制造商:Cypress Semiconductor |
| FM24C256VM8 | 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 |
| FM24C256VM8X | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:I2C Serial EEPROM |
| FM24C256VN | 功能描述:電可擦除可編程只讀存儲器 DIP-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 |
| FM24C256YYX | 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 |
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