AT24C01BN-SH-B Atmel, AT24C01BN-SH-B Datasheet - Page 3

• Manufacturer Part Number: AT24C01BN-SH-B
• Description: IC EEPROM 1KBIT 1MHZ 8SOIC
• Manufacturer: Atmel

Specifications of AT24C01BN-SH-B

• Format - Memory: EEPROMs - Serial
• Memory Type: EEPROM
• Memory Size: 1K (128 x 8)
• Speed: 400kHz, 1MHz
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 1.8 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-SOIC (3.9mm Width)
• Organization: 128 K x 8
• Interface Type: 2-Wire
• Maximum Clock Frequency: 1 MHz
• Access Time: 550 ns
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 1.8 V
• Maximum Operating Current: 3 mA
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Operating Supply Voltage: 1.8 V, 5.5 V
• Memory Configuration: 128 X 8
• Clock Frequency: 1MHz
• Supply Voltage Range: 1.8V To 5.5V
• Memory Case Style: SOIC
• No. Of Pins: 8
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

1. Pin Description
2. Memory Organization
5156E–SEEPR–10/08
SERIAL CLOCK (SCL): The SCL input is used to positive edge clock data into each EEPROM
device and negative edge clock data out of each device.
SERIAL DATA (SDA): The SDA pin is bidirectional for serial data transfer. This pin is open-
drain driven and may be wire-ORed with any number of other open-drain or open-collector
devices.
DEVICE/PAGE ADDRESSES (A2, A1, A0): The A2, A1 and A0 pins are device address inputs
that are hard wired for the AT24C01B. As many as eight 1K devices may be addressed on a sin-
gle bus system (device addressing is discussed in detail under the Device Addressing section).
WRITE PROTECT (WP): The AT24C01B has a write protect pin that provides hardware data
protection. The write protect pin allows normal read/write operations when connected to ground
(GND). When the write protect pin is connected to V
and operates as shown in
Table 1-1.
AT24C01B, 1K SERIAL EEPROM: Internally organized with 16 pages of 8 bytes each, the 1K
requires an 7-bit data word address for random word addressing. (See
WP Pin
Status
At V
At GND
CC
Write Protect
Full (1K) Array
Normal Read/Write Operations
Part of the Array Protected
24C01B
Table
1-1.
CC
, the write protection feature is enabled
Figure 8-2 on page
10)
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