M24256-BFDW6TP STMicroelectronics, M24256-BFDW6TP Datasheet - Page 28

• Manufacturer Part Number: M24256-BFDW6TP
• Description: EEPROM 256 Kbit EEPROM Three Chip Enable
• Manufacturer: STMicroelectronics

Specifications of M24256-BFDW6TP

• Product Category: EEPROM
• Rohs: yes

DC and AC parameters
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Table 16.
1. Characterized only, not tested in production.
2. With C
3. There is no min. or max. values for the input signal rise and fall times. It is however recommended by the
4. To avoid spurious Start and Stop conditions, a minimum delay is placed between SCL=1 and the falling or
5. t
6. WC=0 set up time condition to enable the execution of a WRITE command.
7. WC=0 hold time condition to enable the execution of a WRITE command.
t
t
t
DHWH
WLDL
QL1QL2
Symbol
t
t
t
t
XH1XH2
CLQX
CLQV
XL1XL2
t
t
t
t
t
t
t
t
t
I²C specification that the input signal rise and fall times be more than 20 ns and less than 300 ns when
f
rising edge of SDA.
0.7V
CHDH
CHCL
CLCH
DXCH
CHDL
DHDL
CLDX
NS
C
CLQV
DLCL
t
f
W
C
< 400 kHz.
(6)(1)
(1)
(7)(1)
CC
(4)
(5)
(1)
is the time (from the falling edge of SCL) required by the SDA bus line to reach either 0.3V
L
, assuming that R
= 10 pF.
t
t
t
t
t
400 kHz AC characteristics
t
t
SU:STO
SU:DAT
HD:DAT
SU:STA
HD:STA
SU:WC
HD:WC
t
t
f
t
HIGH
Alt.
t
LOW
t
t
BUF
SCL
WR
t
DH
t
t
AA
R
F
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 setup time
Start condition hold time
Stop condition set up time
Time between Stop condition and next Start
condition
WC set up time (before the Start condition)
WC hold time (after the Stop condition)
Internal Write cycle duration
Pulse width ignored (input filter on SCL and
SDA) - single glitch
bus
× C
M24256-BW M24256-BR M24256-BF M24256-DR M24256-DF
bus
Doc ID 6757 Rev 30
time constant is within the values specified in
Parameter
1300
1300
20
Min.
600
100
100
600
600
600
(3)
(3)
0
0
1
-
-
-
-
Figure
(2)
12.
Max.
400
300
900
80
(3)
(3)
5
-
-
-
-
-
-
-
-
-
-
-
CC
or
Unit
kHz
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
µs
ns