AT28C64 datasheet(4/11 Pages) ATMEL

4 / 11 page

Symbol

Parameter

Condition

Min

Max

Units

ILI

Input Load Current

VIN = 0V to VCC + 1V

µA

ILO

Output Leakage Current

VI/O = 0V to VCC

µA

ISB1

VCC Standby Current CMOS

CE = VCC - 0.3V to VCC + 1.0V

100

µA

ISB2

VCC Standby Current TTL

CE = 2.0V to VCC + 1.0V

Com.

Ind.

ICC

VCC Active Current AC

f = 5 MHz; IOUT = 0 mA

CE = VIL

Com.

Ind.

VIL

Input Low Voltage

0.8

VIH

Input High Voltage

2.0

VOL

Output Low Voltage

IOL = 2.1 mA

= 4.0 mA for RDY/BUSY

.45

VOH

Output High Voltage

IOH = -400

µA

2.4

DC Characteristics

AT28C64-12

AT28C64-15

AT28C64-20

AT28C64-25

Operating

Temperature (Case)

Com.

0°C - 70°C

Ind.

-40°C - 85°C

VCC Power Supply

± 10%

DC and AC Operating Range

Mode

I/O

Read

VIL

VIH

DOUT

Write (2)

VIL

VIH

VIL

DIN

Standby/Write Inhibit

VIH

(1)

High Z

Write Inhibit

VIH

Write Inhibit

VIL

Output Disable

VIH

High Z

Chip Erase

VIL

(3)

VIL

High Z

3. VH = 12.0V

± 0.5V.

Notes: 1. X can be VIL or VIH.

2. Refer to AC Programming Waveforms.

Operating Modes

2-196

AT28C64/X

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