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AT24CS01-STHM-T View Datasheet(PDF) - Atmel Corporation

Part NameDescriptionManufacturer
AT24CS01-STHM-T I2C-Compatible (2-wire) Serial EEPROM with a Unique, Factory Programmed 128-bit Serial Number Atmel
Atmel Corporation Atmel
AT24CS01-STHM-T Datasheet PDF : 23 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
1. Description
The Atmel® AT24CS01 and AT24CS02 provides 1024/2048 bits of Serial Electrically Erasable and Programmable
Read-only Memory (EEPROM) organized as 128/256 words of eight bits each. The device is optimized for use in many
industrial and commercial applications where low-power and low-voltage operation are essential. The AT24CS01/02 is
available in space-saving, 8-lead JEDEC SOIC, 8-lead TSSOP, 8-pad UDFN and 5-lead SOT23 packages and is
accessed via a 2-wire serial interface. In addition, both devices fully operate from 1.7V to 5.5V VCC.
The AT24CS01/02 provides the additional feature of a factory programmed, guaranteed unique 128-bit serial number,
while maintaining all of the traditional features available in the 1-Kbit or 2-Kbit Serial EEPROM. The time consuming step
of performing and ensuring true serialization of product on a manufacturing line can be removed from the production flow
by employing the CS Series Serial EEPROM. The 128-bit serial number is programmed and permanently locked from
future writing during the Atmel production process. Further, this 128-bit location does not consume any of the user
read/write area of the 1-Kbit or 2-Kbit Serial EEPROM. The uniqueness of the serial number is guaranteed across the
entire CS Series of Serial EEPROMs, regardless of the size of the memory array or the type of interface protocol. This
means that as an application's needs for memory size or interface protocol evolve in future generations, any previously
deployed serial number from any Atmel CS Series Serial EEPROM part will remain valid.
2. Pin Descriptions and Pinout
Figure 2-1. Pin Configuration
Pin Name
A0 - A2
SDA
SCL
WP
GND
VCC
Function
Address Inputs
Serial Data
Serial Clock Input
Write Protect
Ground
Power Supply
A0
A1
A2
GND
8-lead SOIC
1
8
2
7
3
6
4
5
VCC
WP
SCL
SDA
8-lead TSSOP
A0 1
A1 2
A2 3
GND 4
8 VCC
7 WP
6 SCL
5 SDA
8-pad UDFN
VCC 8
WP 7
SCL 6
SDA 5
1 A0
2 A1
3 A2
4 GND
Bottom View
5-lead SOT23
SCL 1
5 WP
GND 2
SDA 3
4 VCC
Note:
For use of 5-lead SOT23, the software A2, A1, and A0 bits in the device address word must be set to
zero to properly communicate with the device.
Atmel AT24CS01/02 [PRELIMINARY DATASHEET]
2
8815A–SEEPR–6/12
Direct download click here

 

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