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參數(shù)資料
| 型號： | 24AA02IP |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | 1K/2K 1.8V I 2 C O Serial EEPROMs |
| 中文描述： | 1K/2K 1.8VI 2二氧化碳串行EEPROM |
| 文件頁數(shù)： | 7/12頁 |
| 文件大小： | 74K |
| 代理商： | 24AA02IP |
1996 Microchip Technology Inc.
DS21052F-page 7
24AA01/02
FIGURE 7-1:
CURRENT ADDRESS READ
FIGURE 7-2:
RANDOM READ
FIGURE 7-3:
SEQUENTIAL READ
S
P
BUS ACTIVITY
MASTER
SDA LINE
BUS ACTIVITY
S
T
A
R
T
S
T
O
P
CONTROL
BYTE
DATA n
A
C
K
N
O
A
C
K
S
P
S
BUS ACTIVITY
MASTER
SDA LINE
BUS ACTIVITY
S
T
A
R
T
S
T
O
P
CONTROL
BYTE
A
C
K
WORD
ADDRESS (n)
CONTROL
BYTE
S
T
A
R
T
DATA (n)
A
C
K
A
C
K
N
O
A
C
K
P
BUS ACTIVITY
MASTER
SDA LINE
BUS ACTIVITY
S
T
O
P
CONTROL
BYTE
A
C
K
N
O
A
C
K
DATA n
DATA n + 1
DATA n + 2
DATA n + X
A
C
K
A
C
K
A
C
K
8.0
PIN DESCRIPTIONS
8.1
SDA Serial Address/Data Input/Output
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 pullup
resistor to V
CC
(typical 10K
for 100 kHz, 1K for 400
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 24AA01/02 as a
serial ROM when WP is enabled (tied to V
CC
).
8.4
A0, A1, A2
These pins are not used by the 24AA01/02. They may
be left floating or tied to either V
SS
or V
CC
.
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| 24AA02ISM | 1K/2K 1.8V I 2 C O Serial EEPROMs |
| 24AA02ISN | 1K/2K 1.8V I 2 C O Serial EEPROMs |
| 24AA02P | 1K/2K 1.8V I 2 C O Serial EEPROMs |
| 24AA02SM | 1K/2K 1.8V I 2 C O Serial EEPROMs |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 24AA02ISM | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:1K/2K 1.8V I 2 C O Serial EEPROMs |
| 24AA02ISN | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:1K/2K 1.8V I 2 C O Serial EEPROMs |
| 24AA02P | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:1K/2K 1.8V I 2 C O Serial EEPROMs |
| 24AA02SC-I/S16K | 制造商:Microchip Technology Inc 功能描述:2K, 256 X 8 1.8V SERIAL EE - Gel-pak, waffle pack, wafer, diced wafer on film |
| 24AA02SC-I/W16K | 制造商:Microchip Technology Inc 功能描述:2K, 256 X 8 1.8V SERIAL EE - Gel-pak, waffle pack, wafer, diced wafer on film |
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