AT25256B-CUL-T datasheet(3/24 Pages) ATMEL

Part #	AT25256B-CUL-T

Description	serial electrically-erasable programmable read only memory

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Manufacturer	ATMEL [ATMEL Corporation]

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3

8698B–SEEPR–3/10

AT25128B/256B

Table 1-1.

Pin Capacitance (1

Notes:

1. This parameter is characterized and is not 100% tested.

Table 1-2.

DC Characteristics

Notes:

1. V

IL min and VIH max are reference only and are not tested.

Applicable over recommended operating range from T

A = 25°C, f = 1.0 MHz, VCC = +5.0V (unless otherwise noted)

Symbol

Test Conditions

Max

Units

Conditions

C

OUT

Output Capacitance (SO)

8

pF

V

OUT =0V

C

IN

Input Capacitance (CS, SCK, SI, WP, HOLD)

6

pF

V

IN =0V

Applicable over recommended operating range from T

A = −40°C to +85°C, VCC = +1.8V to +5.5V,

V

CC = +1.8V to +5.5V(unless otherwise noted)

Symbol

Parameter

Test Condition

Min

Typ

Max

Units

V

CC1

Supply Voltage

1.8

5.5

V

CC2

Supply Voltage

2.5

5.5

V

CC3

Supply Voltage

4.5

5.5

V

I

CC1

Supply Current

V

CC = 5.0V at 20 MHz, SO = Open, Read

9.0

10.0

mA

I

CC2

Supply Current

V

CC = 5.0V at 10 MHz, SO = Open, Read, Write

5.0

7.0

mA

I

CC3

Supply Current

V

CC = 5.0V at 1 MHz, SO = Open, Read, Write

2.2

3.5

mA

I

SB1

Standby Current

V

CC = 1.8V, CS = VCC

0.2

3.0

µA

I

SB2

Standby Current

V

CC = 2.5V, CS = VCC

0.5

3.0

µA

I

SB3

Standby Current

V

CC = 5.0V, CS = VCC

2.0

5.0

µA

I

IL

Input Current

V

IN =0VtoVCC

–3.0

3.0

µA

I

OL

Output Leakage

V

IN =0VtoVCC,TAC = 0°C to 70°C

–3.0

3.0

µA

V

IL

(1)

Input Low-voltage

–1.0

V

CC x 0.3

V

IH

(1)

Input High-voltage

V

CC x 0.7

V

CC + 0.5

V

OL1

Output Low-voltage

3.6V

 V

CC  5.5V

I

OL = 3.0 mA

0.4

V

OH1

Output High-voltage

I

OH = 1.6 mA

V

CC - 0.8

V

OL2

Output Low-voltage

1.8V

 V

CC  3.6V

I

OL = 0.15 mA

0.2

V

OH2

Output High-voltage

I

OH = 100 µA

V

CC - 0.2

V

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