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參數(shù)資料
| 型號： | NM24C65UN |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | PROM |
| 英文描述： | I2C Serial EEPROM |
| 中文描述： | 8K X 8 I2C/2-WIRE SERIAL EEPROM, PDIP8 |
| 封裝： | PLASTIC, DIP-8 |
| 文件頁數(shù)： | 4/11頁 |
| 文件大?。?/td> | 89K |
| 代理商： | NM24C65UN |
4
www.fairchildsemi.com
NM24C65U Rev. B.1
N
AC Conditions of Test
Input Pulse Levels
V
CC
x 0.1 to V
CC
x 0.9
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
0.1
0.9
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
300
50
ns
t
WR
Write Cycle Time - NM24C65U
- NM24C65UL, NM24C65ULZ
10
15
10
15
ms
(Note 3)
Note 3
: 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
NM24C65U 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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