R1EX24256ATB00I datasheet(4/22 Pages) RENESAS

Part #	R1EX24256ATB00I

Description	Two-wire serial interface 256k EEPROM (32-kword 횞 8-bit)

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Manufacturer	RENESAS [Renesas Technology Corp]

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R1EX24256Axx00I

DC Operating Conditions

Parameter

Symbol

Min

Typ

Max

Unit

Supply voltage

V

CC

1.8



5.5

V

SS

0

V

Input high voltage

V

IH

V

CC × 0.7



V

CC + 0.5

V

Input low voltage

V

IL

−0.3*1



V

CC × 0.3

V

Operating temperature

Topr

−40



+85

°C

Notes: 1. V

IL (min):

−1.0 V for pulse width ≤ 50 ns.

DC Characteristics (Ta = −40 to +85°C, V

CC = 1.8 V to 5.5 V)

Parameter

Symbol

Min

Typ

Max

Unit

Test conditions

Input leakage current

I

LI



2.0

µA

V

CC = 5.5 V, Vin = 0 to 5.5 V

Output leakage current

I

LO



2.0

µA

V

CC = 5.5 V, Vout = 0 to 5.5 V

Standby V

CC current

I

SB



1.0

2.0

µA

Vin = V

SS or VCC

Read V

CC current

I

CC1



1.0

mA

V

CC = 5.5 V, Read at 400 kHz

Write V

CC current

I

CC2



5.0

mA

V

CC = 5.5 V, Write at 400 kHz

Output low voltage

V

OL2



0.4

V

CC = 2.7 to 5.5 V, IOL = 3.0 mA

V

OL1



0.2

V

CC = 1.8 to 2.7 V, IOL = 1.5 mA

Capacitance (Ta = +25°C, f = 1 MHz)

Parameter

Symbol

Min

Typ

Max

Unit

Test

conditions

Input capacitance (A0 to A2, SCL, WP)

Cin*

1



6.0

pF

Vin = 0 V

Output capacitance (SDA)

C

I/O*

1



6.0

pF

Vout = 0 V

Note:

1. This parameter is sampled and not 100

% tested.

REJ03C0326-0001 Rev.0.01 Jan. 10, 2008

Page 4 of 20

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