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參數(shù)資料
| 型號： | 24C01B |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | 1K 5.0V IIC serial EEPROMs(1K位,5.0V,IIC串行EEPROM) |
| 中文描述： | 一千5.0V進口證（每1000位和5.0V串行EEPROM，串行EEPROM的國際進口許可證） |
| 文件頁數(shù)： | 7/12頁 |
| 文件大小： | 162K |
| 代理商： | 24C01B |
24C01B/02B
1997 Microchip Technology Inc.
Preliminary
DS21233A-page 7
FIGURE 7-1:
CURRENT ADDRESS READ
FIGURE 7-2:
RANDOM READ
FIGURE 7-3:
SEQUENTIAL READ
8.0
PIN DESCRIPTIONS
8.1
Serial Data
This is a bi-directional pin used to transfer addresses
and data into and data out of the device. It is an open
drain terminal, therefore the SDA bus requires a pull-up
resistor to V
CC
(typically 10 K
for 100 kHz).
For normal data transfer SDA is allowed to change only
during SCL low. Changes during SCL high are
reserved for indicating the START and STOP condi-
tions.
8.2
SCL Serial Clock
This input is used to synchronize the data transfer from
and to the device.
8.3
WP
This pin must be connected to either V
SS
or V
CC
.
If tied to V
SS
, normal memory operation is enabled
(read/write the entire memory).
If tied to V
CC
, WRITE operations are inhibited. The
entire memory will be write-protected. Read operations
are not affected.
This feature allows the user to use the 24C01B/02B as
a serial ROM when WP is enabled (tied to V
CC
).
S
P
BUS ACTIVITY
MASTER
SDA LINE
BUS ACTIVITY
S
T
A
R
T
CONTROL
BYTE
DATA n
A
C
K
N
O
A
C
K
S
T
O
P
S
P
S
BUS ACTIVITY
MASTER
SDA LINE
BUS ACTIVITY
S
T
A
R
T
S
T
O
P
CONTROL
BYTE
WORD
ADDRESS (n)
DATA n
A
C
K
A
C
K
N
O
A
C
K
CONTROL
BYTE
A
C
K
S
T
A
R
T
P
SDA LINE
BUS ACTIVITY
S
T
O
P
CONTROL
BYTE
DATA n
A
C
K
N
O
A
C
K
A
C
K
A
C
K
A
C
K
DATA n + 1
DATA n + 2
DATA n + X
BUS ACTIVITY
MASTER
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 24C01B-ESN | 1K/2K 5.0V I 2 C ⑩ Serial EEPROM |
| 24C02B | 1K/2K 5.0V I 2 C ⑩ Serial EEPROM |
| 24C02B-EP | 1K/2K 5.0V I 2 C ⑩ Serial EEPROM |
| 24C02B-ESN | 1K/2K 5.0V I 2 C ⑩ Serial EEPROM |
| 24C01C | 1K 5.0V I 2 C ⑩ Serial EEPROM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 24C01B_04 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:1K/2K 5.0V I2C⑩ Serial EEPROM |
| 24C01B-E/P | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:1K/2K 5.0V I2C⑩ Serial EEPROM |
| 24C01B-E/SN | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:1K/2K 5.0V I2C⑩ Serial EEPROM |
| 24C01B-EP | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:1K/2K 5.0V I 2 C ⑩ Serial EEPROM |
| 24C01B-ESN | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:1K/2K 5.0V I 2 C ⑩ Serial EEPROM |
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