28C256TRPDB-12 查看數據表（PDF） - MAXWELL TECHNOLOGIES

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28C256TRPDB-12

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

MAXWELL TECHNOLOGIES 

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

28C256T

TABLE 1. 28C256T PINOUT DESCRIPTION

PIN

SYMBOL

DESCRIPTION

*10-3, 25, 24,

21, 23, 2, 26, 1

11-13, 15-19

22

20

27

28

14

A0-A14 Address

I/O0-I/O7

OE

CE

WE

VCC

VSS

Input/Output

Output Enable

Chip Enable

Write Enable

Power Supply

Ground

*Refer to diagram on Page 1 for pin relationship.

TABLE 2. 28C256T ABSOLUTE MAXIMUM RATINGS

PARAMETER

SYMBOL

MIN

MAX

UNITS

Supply Voltage (Relative to VSS)

Input Voltage (Relative to VSS)

Operating Temperature Range2

Storage Temperature Range

VCC

-0.6

7.0

V

VIN

-0.51

7.0

V

TOPR

-55

125

°C

TSTG

-65

150

°C

1. VIN = -3.0 V for pulse width > 50 ns.

2. Including electrical characteristics and data retention.

TABLE 3. 28C256T DELTA LIMITS

PARAMETER

VARIATION

ICC1

ICC2

ICC3A

ICC3B

±10%

±10%

±10%

±10%

1000584

12.19.01 Rev 5

All data sheets are subject to change without notice 2

©2001 Maxwell Technologies

All rights reserved.

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