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參數資料
| 型號： | 24C640-IP |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | DIODE ZENER 27.0V 150MW SSMINI-2 |
| 中文描述： | 64K的SPI總線串行EEPROM |
| 文件頁數： | 3/12頁 |
| 文件大小： | 84K |
| 代理商： | 24C640-IP |
CAT24C323/643
3
Advanced
Doc. No. 25084-00 12/98
A.C. CHARACTERISTICS
V
CC
=2.7V to 6.0V unless otherwise specified.
Output Load is 1 TTL Gate and 100pF
Read & Write Cycle Limits
Symbol
Parameter
V
CC
=2.7V - 6V
V
CC
=4.5V - 5.5V
Min.
Max.
Min.
Max.
Units
F
SCL
T
I(1)
Clock Frequency
100
400
kHz
Noise Suppression Time
Constant at SCL, SDA Inputs
200
200
ns
t
AA
SCL Low to SDA Data Out
and ACK Out
3.5
1
μ
s
t
BUF(1)
Time the Bus Must be Free Before
a New Transmission Can Start
4.7
1.2
μ
s
t
HD:STA
Start Condition Hold Time
4
0.6
μ
s
μ
s
μ
s
μ
s
t
LOW
Clock Low Period
4.7
1.2
t
HIGH
Clock High Period
4
0.6
t
SU:STA
Start Condition Setup Time
(for a Repeated Start Condition)
4.7
0.6
t
HD:DAT
Data In Hold Time
0
0
ns
t
SU:DAT
t
R(1)
t
F(1)
Data In Setup Time
50
50
ns
SDA and SCL Rise Time
1
0.3
μ
s
SDA and SCL Fall Time
300
300
ns
t
SU:STO
Stop Condition Setup Time
4
0.6
μ
s
t
DH
Data Out Hold Time
100
100
ns
Power-Up Timing
(1)(2)
Symbol
Parameter
Max.
Units
t
PUR
t
PUW
Power-up to Read Operation
Power-up to Write Operation
1
1
ms
ms
Note:
(1) This parameter is tested initially and after a design or process change that affects the parameter.
(2) t
PUR
and t
PUW
are the delays required from the time V
CC
is stable until the specified operation can be initiated.
Write Cycle Limits
Symbol
Parameter
Min.
Typ.
Max
Units
t
WR
Write Cycle Time
10
ms
The write cycle time is the time from a valid stop condition of a write sequence to the end of the internal program/erase
cycle. During the write cycle, the bus interface circuits are disabled, SDA is allowed to remain high, and the device
does not respond to its slave address.
相關PDF資料 |
PDF描述 |
|---|---|
| 24C640-ISN | DIODE ZENER 31V 150MW SSMINI-2 |
| 24C640-IST | 64K SPI Bus Serial EEPROM |
| 24C640-P | 64K SPI Bus Serial EEPROM |
| 24C640-SN | 64K SPI Bus Serial EEPROM |
| 24C640-ST | 64K SPI Bus Serial EEPROM |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 24C640-ISN | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:64K SPI Bus Serial EEPROM |
| 24C640-IST | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:64K SPI Bus Serial EEPROM |
| 24C640-P | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:64K SPI Bus Serial EEPROM |
| 24C640-SN | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:64K SPI Bus Serial EEPROM |
| 24C640-ST | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:64K SPI Bus Serial EEPROM |
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