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AT24C128

ATMEL Corporation
Part Number AT24C128
Manufacturer ATMEL Corporation
Description 2-Wire Serial EEPROMs
Published Mar 24, 2005
Detailed Description Features • Low-voltage and Standard-voltage Operation – 2.7 (VCC = 2.7V to 5.5V) – 1.8 (VCC = 1.8V to 3.6V) • Internally...
Datasheet PDF File AT24C128 PDF File

AT24C128
AT24C128

Overview
Features • Low-voltage and Standard-voltage Operation – 2.
7 (VCC = 2.
7V to 5.
5V) – 1.
8 (VCC = 1.
8V to 3.
6V) • Internally Organized 16,384 x 8 and 32,768 x 8 • Two-wire Serial Interface • Schmitt Trigger, Filtered Inputs for Noise Suppression • Bidirectional Data Transfer Protocol • 1 MHz (5V), 400 kHz (2.
7V, 2.
5V) and 100 kHz (1.
8V) Compatibility • Write Protect Pin for Hardware and Software Data Protection • 64-byte Page Write Mode (Partial Page Writes Allowed) • Self-timed Write Cycle (5 ms Max) • High Reliability – Endurance: One Million Write Cycles – Data Retention: 40 Years • Extended Temperature and Lead-free/Halogen-free Devices Available • 8-lead JEDEC PDIP, 8-lead JEDEC and EIAJ SOIC, 8-lead MAP, 8-lead TSSOP, 8-lead SAP and 8-ball dBGA2 Packages • Die Sales: Wafer Form, Waffle Pack, and Bumped Wafers Two-wire Serial EEPROMs 128K (16,384 x 8) 256K (32,768 x 8) Description The AT24C128/256 provides 131,072/262,144 bits of serial electrically erasable and programmable read only memory (EEPROM) organized as 16,384/32,768 words of 8 bits each.
The device’s cascadable feature allows up to 4 devices to share a common Two-wire bus.
The device is optimized for use in many industrial and commercial appli- cations where low power and low voltage operation are essential.
The devices are available in space-saving 8-lead JEDEC PDIP, 8-lead JEDEC SOIC, 8-lead EIAJ SOIC, 8-lead MAP (24C128), 8-lead TSSOP, 8-lead SOIC Array Package and 8-ball dBGA2 packages.
In addition, the entire family is available in 2.
7V (2.
7V to 5.
5V) and 1.
8V (1.
8V to 3.
6V) versions.
Table 1.
Pin Configuration 8-lead PDIP 8-lead TSSOP Pin Name A0 - A1 SDA Function Address Inputs Serial Data A0 A1 NC GND 1 2 3 4 8 VCC 7 WP 6 SCL 5 SDA A0 A1 NC GND 1 2 3 4 8 VCC 7 WP 6 SCL 5 SDA SCL WP NC GND Serial Clock Input Write Protect No Connect Ground 8-lead SOIC 8-lead MAP A0 A1 NC GND 1 2 3 4 VCC 8 8 VCC WP 7 7 WP SCL 6 6 SCL SDA 5 5 SDA 1 A0 2 A1 3 NC 4 GND 8-ball dBGA2 VCC ...


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