M24256-BWMN6TP STMicroelectronics, M24256-BWMN6TP Datasheet - Page 38

• Manufacturer Part Number: M24256-BWMN6TP
• Description: IC EEPROM 256KBIT 400KHZ 8SOIC
• Manufacturer: STMicroelectronics

Specifications of M24256-BWMN6TP

• 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-SOIC (3.9mm Width)
• 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: SOIC
• Operating Temp Range: -40C to 85C
• Supply Current: 5mA
• Operating Supply Voltage (min): 2.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 8
• Maximum Clock Frequency: 0.4 MHz
• Access Time: 900 ns
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.5 V
• Maximum Operating Current: 5 mA
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Operating Supply Voltage: 2.5 V, 5.5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-8623-2; M24256-BWMN6TP

Revision history
9
38/42
Revision history
Table 26.
13-Dec-2001
02-Sep-2004
22-Feb-2005
29-Jan-2001
10-Apr-2001
02-Oct-2001
12-Jun-2001
22-Oct-2003
16-Jul-2001
Date
Document revision history
Revision
1.3
1.4
1.1
1.2
1.5
1.6
2.0
3.0
4.0
Lead Soldering Temperature in the Absolute Maximum Ratings table
amended
Write Cycle Polling Flow Chart using ACK illustration updated
LGA8 and SO8(wide) packages added
References to PSDIP8 changed to PDIP8, and Package Mechanical data
updated
LGA8 Package Mechanical data and illustration updated
SO16 package removed
LGA8 Package given the designator “LA”
LGA8 Package mechanical data updated
Document becomes Preliminary Data
Test conditions for ILI, ILO, ZL and ZH made more precise
VIL and VIH values unified. tNS value changed
Document promoted to Full Datasheet
Table of contents, and Pb-free options added. Minor wording changes in
Summary Description, Power-On Reset, Memory Addressing, Write
Operations, Read Operations. V
LGA8 package is Not for New Design. 5V and -S supply ranges, and
Device Grade 5 removed. Absolute Maximum Ratings for V
V
compliant devices. Device grade information clarified. AEC-Q100-002
compliance. V
Initial delivery state
LGA package removed, TSSOP8 and SO8N packages added (see
Package mechanical data
scheme).
Voltage range R (1.8V to 5.5V) also offered. Minor wording changes.
Z
added.
I
(voltage range
Note added to
Power On Reset
t
added. Plating technology changed in
scheme.
Resistance and capacitance renamed in
CC
W
L
CC
Test Conditions modified in
max value modified in
and I
(min) changed. Soldering temperature information clarified for RoHS
Doc ID 6757 Rev 21
CC1
values for V
IL
Table 13: DC characteristics (voltage range
W).
M24256-BF, M24256-BR, M24256-BW, M24256-DR
specification unified for SDA, SCL and WC
paragraph specified.
is FFh (not necessarily the same as Erased).
CC
Table 16: 400 kHz AC characteristics
section and
= 5.5V added to
Table 12: Input parameters
Changes
IL
(min) improved to –0.45V.
Table 23: Ordering information
Table 23: Ordering information
Figure
Table 13: DC characteristics
6.
and Note
W).
IO
(min) and
and note 4
2