28C256TRT2FS-15 datasheet(3/14 Pages) MAXWELL

Part #	28C256TRT2FS-15

Description	256K EEPROM (32K x 8-Bit) EEPROM

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Manufacturer	MAXWELL [Maxwell Technologies]

Direct Link	http://www.maxwell.com

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256K EEPROM (32K x 8-Bit) EEPROM

28C256T

02.18.02 Rev5

TABLE 4. 28C256T RECOMMENDED OPERATING CONDITIONS

PARAMETER

SUBGROUPS

SYMBOL

MIN

MAX

UNITS

Supply Voltage

1

V

CC

4.5

5.5

V

Input Voltage

1

V

IL

V

IH

V

H

-0.31

2.2

V

CC -0.5

1. V

IL min= -1.0V for pulse width < 50 ns.

0.8

V

CC +0.3

V

CC +1

V

1

Thermal Impedance — Flat Package

1

Θ

JC

--

0.87

°C/W

Thermal Impedance — DIP Package

1

Θ

JC

--

0.86

°C/W

Operating Temperature Range

1

T

OPR

-55

125

°C

TABLE 5. 28C256T CAPACITANCE1

(T

A = 25

°C, f = 1 MHz)

PARAMETER

SYMBOL

MIN

MAX

UNITS

Input Capacitance: V

IN = 0V

1

1. Guaranteed by design.

C

IN

--

6

pF

Output Capacitance: V

OUT = 0V

1

C

OUT

--

12

pF

TABLE 6. 28C256T DC ELECTRICAL CHARACTERISTICS

(V

CC = 5 V ± 10%, TA = -55 TO +125

°C UNLESS OTHERWISE SPECIFIED)

PARAMETER

CONDITIONS

SUBGROUPS

SYMBOL

MIN

MAX

UNITS

Input Leakage Current

V

CC = 5.5 V,

V

IN = 5.5 V

1, 2, 3

I

LI

--

2

uA

Output Leakage Current

V

CC = 5.5 V,

V

OUT = 5.5 V/0.4 V

1, 2, 3

I

LO

--

2

uA

Standby V

CC Current

CE = V

CC

1, 2, 3

I

CC1

--

20

uA

CE = V

IH

1, 2, 3

I

CC2

--

1

mA

Operating V

CC Current

I

OUT = 0 mA

Duty = 100%

V

CC = 5.5 V

Cycle = 1 us

1, 2, 3

I

CC3

--

15

mA

I

OUT = 0mA

Duty = 100%

V

CC = 5.5 V

Cycle = 150 ns

--

50

Input Low Voltage

1, 2, 3

V

IL

--

0.8

V

Input High Voltage

1, 2, 3

V

IH

2.2

--

V

1, 2, 3

V

H

V

CC -0.5

--

V

Output Low Voltage

I

LO = 2.1 mA

1, 2, 3

V

OL

--

0.4

V

Output High Voltage

I

OH = -400 uA

1, 2, 3

V

OH

2.4

--

V

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