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Description
The Atmel® AT24C01D/02D provides 1,024/2,048 bits of Serial Electrically Erasable and Programmable Read-Only Memory (EEPROM) organized as 128/256 words of eight bits each. The device’s cascadable feature allows up to eight devices to share a common 2-wire bus. These device are optimized for use in many industrial and commercial applications where low-power and low-voltage operation are essential. Both devices are available in space-saving 8-lead SOIC, 8-lead TSSOP, 8-pad UDFN, 8-lead PDIP(1), 5-lead SOT23, and 8-ball VFBGA packages. The entire family of packages operates from 1.7V to 3.6V.
Features
Low Voltage Operation
̶ 1.7V (VCC = 1.7V to 3.6V)
Internally Organized 128 x 8 (1K) or 256 x 8 (2K)
I2
C-Compatible (2-wire) Serial Interface
̶ 100kHz Standard Mode, 1.7V to 3.6V
̶ 400kHz Fast Mode, 1.7V to 3.6V
̶ 1MHz Fast Mode Plus (FM+), 2.5V to 3.6V
Schmitt Triggers, Filtered Inputs for Noise Suppression
Bidirectional Data Transfer Protocol
Write Protect Pin for Full Array Hardware Data Protection
Ultra Low Active Current (1mA max) and Standby Current (0.8μA max)
8-byte Page Write Mode
̶ Partial Page Writes Allowed
Random and Sequential Read Modes
Self-timed Write Cycle Within 5ms max
High Reliability
̶ Endurance: 1,000,000 Write Cycles
̶ Data Retention: 100 Years
Green Package Options (Lead-free/Halide-free/RoHS Compliant)
̶ 8-lead SOIC, 8-lead TSSOP, 8-pad UDFN, 8-lead PDIP(1), 5-lead SOT23, and
8-ball VFBGA
Die Sale Options: Wafer Form and Tape and Reel
The AT24C01D is internally organized as 16 pages of 8 bytes each while the AT24C02D is organized as 32 pages of 8 bytes each.
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