AT24C01B_08 Datasheet, PDF (1/25 Pages) ATMEL Corporation – Two-wire Serial EEPROM 1K (128 x 8)

Features
• Low-voltage and Standard-voltage Operation
– 1.8 (V_CC = 1.8V to 5.5V)
• Internally Organized 128 x 8 (1K)
• Two-wire Serial Interface
• Schmitt Trigger, Filtered Inputs for Noise Suppression
• Bidirectional Data Transfer Protocol
• 1 MHz (5V), 400 kHz (1.8V, 2.5V, 2.7V) Compatibility
• Write Protect Pin for Hardware Data Protection
• 8-byte Page (1K) Write Modes
• Partial Page Writes Allowed
• Self-timed Write Cycle (5 ms max)
• High-reliability
– Endurance: 1 Million Write Cycles
– Data Retention: 100 Years
• 8-lead PDIP, 8-lead JEDEC SOIC, 8-lead Ultra Thin Mini-MAP (MLP 2x3), 5-lead SOT23,
8-lead TSSOP and 8-ball dBGA2 Packages
• Lead-free/Halogen-free
• Die Sales: Wafer Form and Tape and Reel
Two-wire
Serial EEPROM
1K (128 x 8)
AT24C01B
Description
The AT24C01B provides 1024 bits of serial electrically erasable and programmable
read-only memory (EEPROM) organized as 128 words of 8 bits each. The device is
optimized for use in many industrial and commercial applications where low-power
and low-voltage operation are essential. The AT24C01B is available in space-saving
8-lead PDIP, 8-lead JEDEC SOIC, 8-lead Ultra Thin Mini-MAP (MLP 2x3), 5-lead
SOT23, 8-lead TSSOP, and 8-ball dBGA2 packages and is accessed via a Two-wire
serial interface. In addition, the AT24C01B is available in 1.8V (1.8V to 5.5V) version.
Table 0-1.
Pin Name
A0 - A2
SDA
SCL
WP
GND
VCC
Pin Configuration
Function
Address Inputs
8-lead Ultra Thin Mini-MAP (MLP 2x3) 8-ball dBGA2
VCC 8
WP 7
1 A0
2 A1
VCC 8
WP 7
1 A0
2 A1
Serial Data
SCL 6
SDA 5
3 A2
4 GND
SCL 6
SDA 5
3 A2
4 GND
Serial Clock Input
Bottom View
Bottom View
Write Protect
Ground
Power Supply
8-lead TSSOP
A0 1 8 VCC
A1 2 7 WP
A2 3 6 SCL
GND 4 5 SDA
8-lead SOIC
A0 1 8 VCC
A1 2 7 WP
A2 3 6 SCL
GND 4 5 SDA
5-lead SOT23
SCL 1
5 WP
GND 2
SDA 3
4 VCC
8-lead PDIP
A0 1 8 VCC
A1 2 7 WP
A2 3 6 SCL
GND 4 5 SDA
5156E–SEEPR–10/08