M24256-BWDW6TP STMicroelectronics, M24256-BWDW6TP Datasheet - Page 24

• Manufacturer Part Number: M24256-BWDW6TP
• Description: IC EEPROM 256KBIT 400KHZ 8TSSOP
• Manufacturer: STMicroelectronics

Specifications of M24256-BWDW6TP

• Format - Memory: EEPROMs - Serial
• Memory Type: EEPROM
• Memory Size: 256K (32K x 8)
• Speed: 400kHz
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 2.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-TSSOP
• Density: 256Kb
• Interface Type: Serial (I2C)
• Organization: 32Kx8
• Access Time (max): 900ns
• Frequency (max): 400KHz
• Write Protection: Yes
• Data Retention: 40Year
• Operating Supply Voltage (typ): 3.3/5V
• Package Type: TSSOP
• Operating Temp Range: -40C to 85C
• Supply Current: 2mA
• Operating Supply Voltage (min): 2.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-8622-2; M24256-BWDW6TP

DC and AC parameters
24/42
Figure 12. AC test measurement I/O waveform
Table 11.
1. Sampled only, not 100% tested.
2. E2,E1,E0: Input impedance when the memory is selected (after a Start condition).
Table 12.
1. Characterized value, not tested in production.
2. The device is not selected after power-up, after a Read instruction (after the Stop condition), or after the
Symbol
Symbol
I
I
Z
Z
V
completion of the internal write cycle t
I
V
I
CC0
CC1
V
C
C
I
LO
CC
H
L
OL
LI
IH
IL
IN
IN
(2)
(2)
Input leakage current
(SCL, SDA, E0, E1, E2)
Output leakage current
Supply current (Read)
Supply current (Write)
Standby supply current
Input low voltage
(SCL, SDA, WC)
Input high voltage
(SCL, SDA)
Input high voltage
(WC, E0, E1, E2)
Output low voltage
Input capacitance (SDA)
Input capacitance (other pins)
Input impedance
(E2, E1, E0, WC)
Input impedance
(E2, E1, E0, WC)
Input parameters
DC characteristics (voltage range W, device grade 3)
Parameter
Parameter
0.8V CC
0.2V CC
Input Levels
(1)
Doc ID 6757 Rev 23
V
device in Standby mode
SDA in Hi-Z, external voltage
applied on SDA: V
During t
Device not selected
or V
I
I
W
f
OL
OL
c
Test conditions (in addition to
IN
those in
(t
= 400 kHz
W
= 2.1 mA, V
= 3 mA, V
= V
CC
is triggered by the correct decoding of a Write instruction).
M24256-BF, M24256-BR, M24256-BW, M24256-DR
SS
W
or V
Table 7
Test condition
V
V
CC
CC
IN
IN
CC
< 0.3V
> 0.7V
= 5.5 V
Timing Reference Levels
SS
= 2.5 V or
and
(2)
or V
, V
CC
CC
Table
IN
Input and Output
CC
= V
10)
SS
AI00825B
0.7V CC
0.3V CC
Min.
500
30
0.7V
0.7V
–0.45
Min.
CC
CC
Max.
8
6
V
0.3V
CC
Max.
5
± 2
± 2
6.5
0.4
2
5
(1)
+0.6
CC
Unit
k
k
pF
pF
Unit
mA
mA
µA
µA
µA
V
V
V
V