AT24C256B-PU Atmel, AT24C256B-PU Datasheet - Page 2
AT24C256B-PU
Manufacturer Part Number
AT24C256B-PU
Description
IC EEPROM 256KBIT 1MHZ 8DIP
Manufacturer
Atmel
Datasheet
1.AT24C256BN-SH-B.pdf
(24 pages)
Specifications of AT24C256B-PU
Format - Memory
EEPROMs - Serial
Memory Type
EEPROM
Memory Size
256K (32K 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-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT24C256B-PU
Manufacturer:
ON
Quantity:
21 000
Company:
Part Number:
AT24C256B-PU
Manufacturer:
AT
Quantity:
13
Part Number:
AT24C256B-PU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
1. Absolute Maximum Ratings*
Figure 1-1.
2
Operating Temperature 55C to +125C
Storage Temperature 65C to +150C
Voltage on Any Pin
with Respect to Ground 1.0V to +7.0V
Maximum Operating Voltage .......................................... 6.25V
DC Output Current........................................................ 5.0 mA
AT24C256B
Block Diagram
GND
VCC
SDA
SCL
WP
A
A
A
2
1
0
D
IN
COMPARATOR
START
LOGIC
ADDRESS
STOP
DEVICE
LOAD
D
OUT
R/W
ADDR/COUNTER
DATA WORD
COMP
LOAD
*NOTICE:
Y DEC
CONTROL
SERIAL
LOGIC
INC
Stresses beyond those listed under “Absolute
Maximum Ratings” may cause permanent dam-
age to the device. This is a stress rating only;
functional operation of the device at these or any
other conditions beyond those indicated in the
operational sections of this specification is not
implied. Exposure to absolute maximum rating
conditions for extended periods may affect device
reliability.
EN
H.V. PUMP/TIMING
DATA RECOVERY
SERIAL MUX
EEPROM
D
LOGIC
OUT
/ACK
5279C–SEEPR–3/09