參數(shù)資料
型號: M24256-BFMB6TG/K
廠商: STMICROELECTRONICS
元件分類: PROM
英文描述: 32K X 8 I2C/2-WIRE SERIAL EEPROM, PDSO8
封裝: 2 X 3 MM, ROHS COMPLIANT, UFDFPN-8
文件頁數(shù): 2/42頁
文件大?。?/td> 501K
代理商: M24256-BFMB6TG/K
Signal description
M24256-BF, M24256-BR, M24256-BW, M24256-DR
Doc ID 6757 Rev 21
Figure 5.
I2C Fast mode (fC = 400 kHz): maximum Rbus value versus
bus parasitic capacitance (Cbus)
Figure 6.
I2C Fast mode Plus (fC = 1 MHz): maximum Rbus value versus
bus parasitic capacitance (Cbus)
1
10
100
10
100
1000
Bus line capacitor (pF)
B
us
l
ine
p
u
ll-
u
p
r
e
s
is
to
r
(k
)
When tLOW = 1.3 s (min value for
fC = 400 kHz), the Rbus × Cbus
time constant must be below the
400 ns time constant line
represented on the left.
IC bus
master
M24xxx
Rbus
VCC
Cbus
SCL
SDA
ai14796b
R
bus
×
C
bus
= 400
ns
Here Rbus × Cbus = 120 ns
4 k
Ω
30 pF
1
10
100
10
100
Bus line capacitor (pF)
B
us
l
ine
p
u
ll-
u
p
r
e
s
is
to
r(k
)
ai14795d
IC bus
master
M24xxx
Rbus
VCC
Cbus
SCL
SDA
R
bus × C
bus = 270
ns
When tLOW = 700 ns
(max possible value for
fC = 1 MHz), the Rbus × Cbus
time constant must be below
the 270 ns time constant line
represented on the left.
When tLOW = 400 ns
(min value for fC = 1 MHz),
the Rbus × Cbus time constant
must be below the 100 ns
time constant line represented
on the left.
Here,
Rbus × Cbus = 150 ns
R
bus × C
bus = 100
ns
5
30
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