at24c256c ATMEL Corporation, at24c256c Datasheet - Page 4

• Manufacturer Part Number: at24c256c
• Description: Two-wire Serial Eeprom
• Manufacturer: ATMEL Corporation

2.
4
Memory Organization
AT24C256C, 256K SERIAL EEPROM: The 256K is internally organized as 512 pages of 64 bytes each. Random word
addressing requires a 15-bit data word address.
Table 2.
Applicable over recommended operating range from:
Note:
Table 3.
Applicable over recommended operating range from:
T
Note:
Table 4.
Applicable over recommended operating range from:
AT24C256C [Preliminary]
TA = 25°C, f = 1.0 MHz, V
V
I
I
I
I
I
V
V
V
V
AI
CC1
CC2
SB1
LI
LO
CC1
IL
IH
OL2
OL1
Symbol
= − 40°C to +85°C, V
Symbol
C
C
I/O
IN
1. This parameter is characterized and is not 100% tested.
1. V
Pin Capacitance
DC Characteristics
AC Characteristics (Industrial Temperature)
Supply Voltage
Supply Current
Supply Current
Standby Current
(1.8V option)
Input Leakage
Currentt V
Output Leakage
Currentt V
Input Low Level
Input High Level
Output Low Level
Output Low Level
IL
min and V
Input/Output Capacitance (SDA)
Input Capacitance (A
Parameter
CC
CC
CC
= 5.0V
= 5.0V
IH
CC
= +1.8V to +5.5V
(1)
max are reference only and are not tested.
(1)
= +1.8V
(1)
V
V
V
V
V
V
V
V
0
Test Condition
, A
CC
CC
CC
CC
IN
OUT
CC
CC
= V
= 5.0V
= 5.0V
= 1.8V
= 5.0V
= 3.0V
= 1.8V
1
, SCL)
= V
CC
CC
or V
(unless otherwise noted)
or V
Test Condition
SS
SS
READ at 400 kHz
WRITE at 400 kHz
V
I
I
OL
OL
IN
= 2.1 mA
= 0.15 mA
= V
CC
or V
SS
V
CC
Min
1.8
Max
0.6
x 0.7
8
6
0.10
0.05
Typ
1.0
2.0
Units
pF
pF
V
V
CC
CC
Max
5.5
2.0
3.0
1.0
6.0
3.0
3.0
0.4
0.2
x 0.3
+ 0.5
8568A–SEEPR–11/08
Conditions
V
V
I/O
IN
Units
mA
mA
= 0V
μA
μA
μA
μA
= 0V
V
V
V
V
V