M24256-BHR View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

M24256-BHR

512 Kbit and 256 Kbit serial I²C bus EEPROM with three Chip Enable lines

STMicroelectronics 

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M24512-x, M24256-Bx

DC and AC parameters

Table 14. DC characteristics (M24xxx-R and M24xxx-HR)

Symbol

Parameter

Test conditions (in addition to

those in Table 9)

Min.

Max. Unit

ILI

Input leakage current

(E1, E2, SCL, SDA)

VIN = VSS or VCC

device in Standby mode

±2

µA

ILO Output leakage current

SDA in Hi-Z, external voltage

applied on SDA: VSS or VCC

VCC = 1.8 V, fc= 400 kHz

(rise/fall time < 50 ns)

±2

µA

0.8

mA

ICC Supply current (Read)

ICC0 Supply current (Write)

ICC1 Standby supply current

VIL

Input low voltage

(SCL, SDA, WC)

VIH

Input high voltage

(SCL, SDA, WC)

VOL Output low voltage

VCC = 2.5 V, fc= 400 kHz

(rise/fall time < 50 ns)

1

mA

VCC = 5.0 V, fc= 400 kHz

(rise/fall time < 50 ns)

2

mA

1.8 V < VCC < 5.5 V, fc= 1 MHz(1)

(rise/fall time < 50 ns)

2.5

mA

During tW, 1.8 V < VCC < 5.5 V

Device not selected(3),

VIN = VSS or VCC, VCC = 1.8 V

Device not selected(3),

VIN = VSS or VCC, VCC = 2.5 V

Device not selected(3),

VIN = VSS or VCC, VCC = 5.5 V

5(2)

mA

1

µA

2

µA

3

µA

1.8 V ≤ VCC < 2.5 V

–0.45 0.25 VCC V

2.5 V ≤ VCC ≤5.5 V

–0.45 0.3 VCC

1.8 V ≤ VCC < 2.5 V

0.75VCC VCC+1 V

2.5 V ≤ VCC ≤ 5.5 V

0.7VCC VCC+1

IOL = 1 mA, VCC = 1.8 V

0.2

V

IOL = 2.1 mA, VCC = 2.5 V

0.4

V

IOL = 3.0 mA, VCC = 5.5 V

0.4

V

1. Only for M24xxx-HR6.

2. Characterized value, not tested in production.

3. The device is not selected after power-up, after a READ command (after the Stop condition), or after the

completion of the internal write cycle tW (tW is triggered by the correct decoding of a WRITE command).

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