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參數(shù)資料
| 型號(hào)： | 21C02SC |
| 廠(chǎng)商： | Microchip Technology Inc. |
| 英文描述： | 2K 5.0V IIC serial EEPROMs for smart card(2K位,5.0V,ISO7816標(biāo)準(zhǔn),EEPROM) |
| 中文描述： | 2K 5.0V進(jìn)口證的智能卡（2K位和5.0V，符合ISO7816標(biāo)準(zhǔn)，EEPROM的串行EEPROM） |
| 文件頁(yè)數(shù)： | 7/12頁(yè) |
| 文件大?。?/td> | 84K |
| 代理商： | 21C02SC |
1996 Microchip Technology Inc.
Preliminary
DS21170A-page 7
24C01SC/02SC
7.4
Noise Protection
The 24C01SC/02SC employs a V
CC
threshold detector
circuit which disables the internal erase/write logic if the
V
CC
is below 1.5 volts at nominal conditions.
The SCL and SDA inputs have Schmitt trigger and filter
circuits which suppress noise spikes to assure proper
device operation even on a noisy bus.
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
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
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