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AT24C256C_09 Datasheet, PDF (4/21 Pages) ATMEL Corporation – Two-wire Serial EEPROM
2. 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.
Pin Capacitance(1)
Applicable over recommended operating range from:
TA = 25°C, f = 1.0 MHz, V = +1.7V
CC
Symbol
Test Condition
Max
CI/O
Input/Output Capacitance (SDA)
8
CIN
Input Capacitance (A0, A1, SCL)
6
Note: 1. This parameter is characterized and is not 100% tested.
Units
pF
pF
Conditions
VI/O = 0V
VIN = 0V
Table 3. DC Characteristics
Applicable over recommended operating range from:
T
AI
=
−
40°C
to
+85°C,
V
CC
=
+1.7V
to
+5.5V
(unless
otherwise
noted)
Symbol
Parameter
Test Condition
VCC1
Supply Voltage
ICC1
Supply Current
VCC = 5.0V
READ at 400 kHz
ICC2
Supply Current
VCC = 5.0V
WRITE at 400 kHz
Standby Current
VCC = 1.7V
ISB1
(1.7V option)
VCC = 5.0V
VIN = VCC or VSS
Input Leakage
ILI
Currentt VCC = 5.0V
VIN = VCC or VSS
Output Leakage
ILO
Currentt VCC = 5.0V
VOUT = VCC or VSS
VIL
Input Low Level(1)
VIH
Input High Level(1)
VOL2
Output Low Level
VCC = 3.0V
IOL = 2.1 mA
VOL1
Output Low Level
VCC = 1.7V
IOL = 0.15 mA
Note: 1. VIL min and VIH max are reference only and are not tested.
Min
1.7
-0.6
VCC x 0.7
Typ
1.0
2.0
0.10
0.05
Max
5.5
2.0
3.0
1.0
6.0
3.0
3.0
VCC x 0.3
VCC + 0.5
0.4
0.2
Units
V
mA
mA
μA
μA
μA
μA
V
V
V
V
4 AT24C256C [Preliminary]
8568A–SEEPR–9/09