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M24256-A

STMicroelectronics
Part Number M24256-A
Manufacturer STMicroelectronics
Description 256 Kbit Serial I C Bus EEPROM With Two Chip Enable Lines
Published Mar 30, 2005
Detailed Description M24256-A 256 Kbit Serial I C Bus EEPROM With Two Chip Enable Lines PRELIMINARY DATA s s Compatible with I2C Extended Ad...
Datasheet PDF File M24256-A PDF File

M24256-A
M24256-A

Overview
M24256-A 256 Kbit Serial I C Bus EEPROM With Two Chip Enable Lines PRELIMINARY DATA s s Compatible with I2C Extended Addressing Two Wire I2C Serial Interface Supports 400 kHz Protocol Single Supply Voltage: – 4.
5V to 5.
5V for M24256-A – 2.
5V to 5.
5V for M24256-AW – 1.
8V to 3.
6V for M24256-AR 14 8 1 PSDIP8 (BN) 0.
25 mm frame s 1 TSSOP14 (DL) 169 mil width s 2 Chip Enable Inputs: up to four memories can be connected to the same I2C bus Hardware Write Control BYTE and PAGE WRITE (up to 64 Bytes) RANDOM and SEQUENTIAL READ Modes Self-Timed Programming Cycle Automatic Address Incrementing Enhanced ESD/Latch-Up Behavior More than 100,000 Erase/Write Cycles More than 40 Year Data Retention SBGA s s s s s s s s SBGA7 (EA) 140 x 90 mil 8 1 SO8 (MN) 150 mil width 8 1 SO8 (MW) 200 mil width DESCRIPTION These I 2C-compatible electrically erasable programmable memory (EEPROM) devices are organized as 32Kx8 bits, and operate down to 2.
5 V (for the M24256-AW), and down to 1.
8 V (for the M24256-AR).
The M24256-A is available in Plastic Dual-in-Line, Plastic Small Outline and Thin Shrink Small Outline packages.
The M24256-A is also available in a chip-scale (SBGA) package.
Figure 1.
Logic Diagram VCC 2 E0-E1 Table 1.
Signal Names E0, E1 SDA SCL WC VCC VSS Chip Enable Serial Data Serial Clock Write Control Supply Voltage Ground SDA M24256-A SCL WC VSS AI02271C April 2000 This is preliminary information on a new product now in development or undergoing evaluation.
Details are subject to change without notice.
1/20 M24256-A Figure 2A.
DIP Connections Figure 2C.
TSSOP Connections M24256-A M24256-A E0 E1 NC VSS 1 2 3 4 8 7 6 5 AI02273C VCC WC SCL SDA E0 E1 NC NC NC NC VSS 1 2 3 4 5 6 7 14 13 12 11 10 9 8 AI02388C VCC WC NC NC NC SCL SDA Note: 1.
NC = Not Connected Note: 1.
NC = Not Connected Figure 2B.
SO Connections Figure 2D.
SBGA Connections (top view) M24256-A WC S1 M24256-A E0 E1 NC VSS 1 2 3 4 8 7 6 5 AI02272C VCC WC SCL SDA VCC S0 SDA SCL VSS...


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