m24256-br STMicroelectronics, m24256-br Datasheet - Page 24

• Manufacturer Part Number: m24256-br
• Description: 512 Kbit And 256 Kbit Serial I2c Bus Eeprom With Three Chip Enable Lines
• Manufacturer: STMicroelectronics

DC and AC parameters
24/35
Table 13.
1. Sampled only, not 100% tested.
2. Values recommended by I²C-bus/Fast-Mode specification.
3. To avoid spurious Start and Stop conditions, a minimum delay is placed between SCL=1 and the falling or
4. For a re-Start condition, or following a Write cycle.
t
t
t
XH1XH2
Symbol
DL1DL2
XL1XL2
t
t
CLQV
CHDX
t
t
t
t
t
t
t
t
DXCX
CHDH
rising edge of SDA.
CHCL
CLCH
CLDX
CLQX
DHDL
DLCL
t
t
f
NS
W
C
(3)
(4)
(2)
(1)
(2)
t
t
t
t
t
SU:STO
HD:DAT
SU:DAT
SU:STA
HD:STA
AC characteristics (M24xxx-W,
t
t
t
f
HIGH
Alt.
LOW
t
t
SCL
t
BUF
WR
t
DH
t
t
AA
F
R
F
Clock frequency
Clock pulse width high
Clock pulse width low
SDA (out) fall time
Input signal rise time
Input signal fall time
Data in set up time
Data in hold time
Data out hold time
Clock low to next data valid (access time)
Start condition set up time
Start condition hold time
Stop condition set up time
Time between Stop condition and next Start
condition
Write time
Pulse width ignored (input filter on SCL and
SDA) - single glitch
M24512-W, M24512-R, M24512-HR, M24256-BW, M24256-BR
Parameter
M24xxx-R see
Table
7,
1300
1300
Min.
600
100
200
200
600
600
600
20
20
20
0
Table 8
and
Max.
400
100
300
300
900
100
5
Table 9
Unit
kHz
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
)