AT28C64B

4

Notes:

1. X can be V

2. Refer to the “AC Write Waveforms” diagrams in this datasheet.

3. V

DC and AC Operating Range

AT28C64B-15

AT28C64B-20

AT28C64B-25

Operating

Temperature (Case)

Com.

0°C - 70°C0°C - 70°C0°C - 70°C

Ind.

-40°C - 85°C-40°C - 85°C-40°C - 85°C

5V

± 10%

5V

± 10%

5V

± 10%

Operating Modes

Mode

CE

OE

WE

I/O

Read

V

IL

V

IL

V

IH

D

OUT

Write

(2)

Standby/Write Inhibit

V

IH

X

(1)

X

High Z

Write Inhibit

X

X

V

IH

Write Inhibit

X

X

Output Disable

X

V

IH

X

High Z

Chip Erase

V

IL

V

H

(3)

V

IL

High Z

DC Characteristics

Symbol

Parameter

Condition

Min

Max

Units

I

LI

Input Load Current

V

10

µA

I

LO

Output Leakage Current

V

10

µA

Com., Ind.

100

µA

I

SB2

V

CE = 2.0V to V

2

mA

I

CC

V

f = 5 MHz; I

40

mA

Input Low Voltage

0.8

V

V

IH

Input High Voltage

2.0

V

V

OL

Output Low Voltage

I

0.40

V

Output High Voltage

2.4

V